Article

Do children prefer colored plates?

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Abstract

There are indications in the literature that extrinsic parameters, such as the color of the plate, might be important for people’s appreciation of a meal. Here we compared the preferences of two groups of differently aged children with those of adults. Participants rank-ordered images of 4 familiar dishes presented on six plates of different colors (achromatic: black, white; chromatic: yellow, green, blue and red). We also obtained data on hunger, familiarity and liking of the different foods. Children<10 y were more likely to choose chromatic plates as first choices of plates with food compared to children ≥10 y who preferred the white plate. For all children taken together, the yellow plate was the least preferred. Analyses of achromatic vs. chromatic plate choices showed that for first choices and mean ranks, children<10 y chose differently than children ≥10 y who behaved as the group of adults. Association tests between choices of color of empty plates and choices of color of plates with food showed stronger associations for children<10 y than for children ≥10 y, whose associations fell between those of the young group of children and those of the adults for whom no significant associations were found. Differences in liking and familiarity of the dishes were not correlated with the choice of plate color. Children<10 y were more likely to select chromatic plates as first choices compared to children ≥10 y, who could not be distinguished from adults. Plate color could possibly be used to facilitate young children’s acceptance of new foods.

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... Packaging colour may also influence expectations linked to taste perception; when interviewing children about chocolate bars Gollety and Guichard (2011) found that red packaging might represent a strong flavour, green as sour and spicy, while pink represented sweet and sugary. It has also been observed that children below 10 years preferred to have their meals served on coloured plates over black and white plates (Brunk & Møller, 2019). There may even be gender-specific colour preferences, at least in younger children, whom classified cupcakes as being for boys or girls, respectively, depending upon the frosting colours pink and blue (Macalister & Ethridge, 2019). ...
... However, the palatability of the foods in previous studies was not comparable to this study (Bruno et al., 2013;Genschow et al., 2012). The finding also contrasts with a recent study in children, where red, blue, yellow, and green plates were preferred over black and white ones (Brunk & Møller, 2019). However, the study only included visual stimuli, so it is likely that children visually prefer colours when ranking food servings, whereas colour does not necessarily influence intake. ...
Article
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... Finally, liking is defined as the primary individual determinant of children's vegetable intake [49][50][51]. Some studies suggest a significant relationship between the shape and color of food and children's preference and liking [52][53][54], but others indicate that children's food preferences correlate positively only with the type of food, particularly those with high energy density [55,56]. Therefore, these inconsistencies are the starting point for research into children's preferences for vegetables. ...
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Childhood nutrition is a cornerstone of long-term health, yet many children exhibit reluctance to consume healthy foods such as vegetables. This aversion can be influenced by various factors, including food neophobia and the sensory and visual appeal of the foods presented. Understanding how visual cues affect children's willingness behaviors can provide insights into effective strategies to enhance their dietary habits. This study aims to investigate the liking and emotional responses on the relationships between intrinsic and extrinsic cues and children's willingness to eat and to ask parents to buy. To understand how these factors influence children with food neophobia food-related behaviors and to identify effective strategies to promote healthier eating habits. A sample size consisting of 420 children recruited was needed in this cross-sectional study. A validated and reliable self-administered questionnaire was employed. Independent t-test and ANOVA were used to test the differences between gender and food neophobia means. Spearman correlations were used for correlation analysis. Hierarchical regression analyses were conducted to explore the relationships among intrinsic cues, extrinsic cues, and the mediating effect of liking and emotional responses. Attributes such as plate color and shape significantly influence children's food-related behaviors and their emotions. Liking and emotional responses significantly mediates the relationship between intrinsic/extrinsic cues and willingness. Positive visual cues experiences are crucial for increasing children's inclination to purchase and consume. Positive emotional responses enhance acceptance and purchase. There are significant differences between boys and girls. Boys prefer blue and triangular plates, while girls prefer pink plates and generate more positive emotions. Children with food neophobia will initially experience a disorder, but its negative effects can be mitigated by increasing sensory appeal and emotional engagement. By employing strategies designed to enhance visual cues and liking and emotions, children’s willingness to choose healthy eating habits can be effectively increased.
... Moreover, the youth had a the high demand for convenient fast foods and snacks from legume-cereal mixes in hotels and from food vendors, unlike for the beans bought in supermarkets by people with flatulence (Babirye et al., 2023). Likewise, expectant women would spend more than households with children aged 10 years or younger on improved rice beans because they had a higher demand for protein and legumecereal mixes than the children, who valued the sweetness and color of foods (Brunk and Møller, 2019;Saint-Eve et al., 2021;Faralla et al., 2023). ...
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Hidden hunger, a condition that arises from eating a low legume-cereal mix, hinders the attainment of food security. It affects 25% of the world’s population and 20% of the African population. To address this problem, various crop improvement programs aimed at increasing the introduction of biofortified beans in households’ diets have been initiated. However, Kenya still has a deficit in protein intake despite the availability of biofortified beans. In western Kenya, specifically Busia and Migori counties, where there is high consumption of staple cereals, rice beans (Vigna umbellata) have been piloted on farmers’ fields, but the extent of uptake at the consumption level remains undocumented. Therefore, this study analyzed consumer preferences for improved rice beans through a discrete choice experiment (DCE) approach. The results showed that consumers were willing to pay 166.59 Kenya Shillings (Ksh) for high protein content, Ksh 225.69 for red color, Ksh 113.46 for short cooking time, Ksh 202.30 for good legume-cereal mix and Ksh 139.29 for sweet taste. These findings have important implications for policy interventions on crop breeding, food processing, healthy food and nutrition guidelines.
... Banyak manfaat yang diperoleh ketika anak mengenal warna sejak dini, antara lain dapat mengembangkan kecerdasan, bukan hanya mengasah kemampuan mengingat, tapi juga imajinatif dan artistik, pemahaman ruang, keterampilan kognitif, serta pola berpikir kreatif (Brunk, L., & Møller, P: 2019 ;Rapisa, 2019). Pengenalan warna juga tidak terlepas dari proses pengindraan yaitu penglihatan mata. ...
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Cognitive abilities include various things, one of which is the ability to recognize colors. However, the ability to recognize colors is less often ruled out by educators and parents. This can be seen from learning that pays more attention to early reading and arithmetic skills. In fact, the ability to recognize colors is a very important aspect of children's brain development. This research was conducted in order to see the role of picture and picture learning in stimulating children to recognize colors. This research is quantitative research using a quasi-experimental method with one group time-series test. The data obtained were analyzed using a regression test to see the effect of the treatment given. The results showed a significance value of 0.00 which was smaller than 0.05, which means the picture and picture learning model has a significant effect on the ability to recognize colors in early childhood.
... That said, what constitutes the most appropriate background colour may, though, sometimes change as a function of an individual's age. For example, according to the findings of research by Brunk and Møller (2019), children (under 10 years of age) prefer chromatic rather than achromatic (white/black) plates, while the opposite is true for adults (and those children above 10 years of age; though see also Spence, 2017a, for the use of chromatic plateware amongst the elderly). ...
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In recent years, a growing number of academic researchers, as well as many marketing and design practitioners, have uncovered a variety of factors that would appear to enhance the visual attractiveness, or deliciousness, of food images to the typical consumer. This review, which contains both narrative and systematic elements, critically evaluates the literature concerning the various factors influencing the eye appeal of food images, no matter whether there is an edible food stimulus physically present in front of the viewer or not. We start by summarizing the evidence concerning the human brain’s ability to rapidly determine energy-density in a visual scene and pay attention accordingly. Next, we focus on the importance of embodied mental simulation when it comes to enhancing visual deliciousness. Thereafter, we review the literature on the importance of visual aesthetic features in eye-appeal. The wide range of visual attributes that help to enhance food attractiveness include symmetry, shape, freshness, glossiness, dynamic-presentation, etc. The review concludes with sections on the importance of background/ambient lighting/colour, and the tricks used by those who digitally manipulate images. Taken together, therefore, many different factors ultimately influence the visual deliciousness of food images.
... The results of this study can be applied to research into obesity, gustatory impairment and the development of taste preferences in children, potentially leading to improved health and quality of life among these demographics. Brunk and Moller investigated whether plate colour affected the acceptance of new foods in children of different ages [32]. Our results might also differ in participants of different ages and cultural backgrounds [33]. ...
... The latest research suggests that neither blue food nor blue plates necessarily reduces appetite any more than coloring food red, thus confusing matters further (Schlintl and Schienle, 2020). Children have also been reported to consume more, and thus prefer, to eat from colored, rather than white, plates (Brunk and Møller, 2019). Overall, therefore, the evidence supporting the claim that presenting a food against a blue background suppresses appetite currently appears to be rather weak too. ...
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... The latest research suggests that neither blue food nor blue plates necessarily reduces appetite any more than coloring food red, thus confusing matters further (Schlintl and Schienle, 2020). Children have also been reported to consume more, and thus prefer, to eat from colored, rather than white, plates (Brunk and Møller, 2019). Overall, therefore, the evidence supporting the claim that presenting a food against a blue background suppresses appetite currently appears to be rather weak too. ...
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Is blue food desirable or disgusting? The answer, it would seem, is both, but it really depends on the food in which the color happens to be present. It turns out that the oft-cited aversive response to blue meat may not even have been scientifically validated, despite the fact that blue food coloring is often added to discombobulate diners. In the case of drinks, however, there has been a recent growth of successful new blue product launches in everything from beer to tea, and from wine to gin, arguing that coloring food products blue is more than simply a contemporary fad. In fact, the current interest in blue food coloring builds on the color's earlier appearance in everything from blue curacao to blue-raspberry candyfloss (cotton candy), and thereafter a number of soft drinks. Over the years, the combination of blue coloring with raspberry flavoring has also appeared in everything from bubble-gum to patriotic pop rocks (popping candy in The United States). Ultimately, it is the rarity of naturally-blue foods that is likely what makes this color so special. As such, blue food coloring can both work effectively to attract the visual attention of the shopper while, at the same time, being linked to a range of different flavors (since this is one of the few color-flavor mappings that are essentially arbitrary) depending on the food format in which it happens to appear. Note also that the basic descriptor “blue” covers a wide range of hues having a range of different associations, hence eliciting different reactions (be they positive or negative). While blue was once associated with artificiality, a growing number of natural blue food colorings have come onto the market in recent years thus perhaps changing the dominant associations that many consumers may have with this most unusual of food colors.
... Therefore, in order to achieve the goal of having the child accept the meals, it must be verified whether the refusal to eat maybe a adults (Wadhera et al 2015), to take advantage of the window of opportunity (Cooke et al 2017) and to repeat exposure to new foods 10 to 15 times (increases the sense of security, familiarizes the child with the food, relates flavor to the nutrient and different flavors) (Cooke et al 2017, Caton et al 2014. Basic principles to achieve success (Walton et al. 2017, Ong et al. 2014, Leung et al. 2012, DeCosta et al. 2017, Brunk & Moller 2019, DeJesus et al. 2019 1. to stimulate the appetite increasing the palatability of the foods 2. identify the child's preferences 3. avoid distractions 4. to stimulate independence 5. gradual introduction of food and textures (liquid, homogeneous, fine granulosa, coarse granulosa, coarse particles, and fragments) 6. limiting the time of meals 7. offer the food in containers and with cutlery appropriate to the conditions of the child 8. maintain neutral attitudes during meals 9. child should spend energy with physical activities. ...
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Excessive eating is a major determinant of the present obesity epidemic. Early infancy is a critical period in food preference formation and habits established in this period track into adulthood. This behavior is learned though repeated experiences with foods. Many mechanisms influence children’s eating patterns and overall energy intake. In this review we focus on food preference formation, the food itself, and environmental factors related to the eating situation. We will highlight some of the many possible actions that are available to parents and practitioners to facilitate eating behavior supporting healthy diets in children. The plasticity of food preferences underlines the importance of parents’ and caregivers’ continuous efforts in helping children develop healthy eating patterns. It is never too late, but starting in early infancy holds many advantages.
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Children's vegetable consumption is below the public health recommendations. This study aimed to compare learning mechanisms to increase vegetable acceptance in infants at complementary feeding, namely repeated exposure (RE), flavor-flavor learning (FFL), and flavor-nutrient learning (FNL); measure the stability of the learning effect; and examine the impact of infants' feeding history on vegetable acceptance. The study was composed of a preexposure test, an exposure period, a postexposure test, and tests at 2-wk, 3-mo, and 6-mo follow-ups. At pre- and postexposure, a basic artichoke purée and carrot purée were presented to 95 French infants (6.4 ± 0.8 mo). During the exposure period, infants were randomly split into 3 groups and were exposed 10 times to the basic (RE group; 2 kJ/g; n = 32), a sweet (FFL group; 2 kJ/g; n = 32), or an energy-dense (FNL group; 6 kJ/g; n = 31) artichoke purée 2 or 3 times/wk. To evaluate acceptance, intake (g) and liking were recorded at home by parents. Between pre- and postexposure, intake of the basic artichoke purée significantly increased in the RE (+63%) and FFL (+39%) groups but not in the FNL group; liking increased only in the RE group (+21%). After exposure, artichoke was as much consumed and as much liked as carrot only in the RE group. Learning of artichoke acceptance was stable up to 3 mo postexposure. Initial artichoke intake was significantly related to the number of vegetables offered before the study started. RE is as effective as and simpler to implement than FFL and more effective than FNL for increasing vegetable acceptance at complementary feeding.
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Children are not consuming sufficient amounts of fruits and vegetables in their habitual diet. Methods derived from associative learning theories could be effective at promoting vegetable intake in pre-school children. The objective of the present study was to compare the effectiveness of different learning strategies in promoting the intake of a novel vegetable. Children aged between 9 and 38 months were recruited from UK nurseries. The children (n 72) were randomly assigned to one of three conditions (repeated exposure, flavour-flavour learning or flavour-nutrient learning). Each child was offered ten exposures to their respective version of a novel vegetable (artichoke). Pre- and post-intervention measures of artichoke purée and carrot purée (control vegetable) intake were taken. At pre-intervention, carrot intake was significantly higher than artichoke intake (P < 0·05). Intake of both vegetables increased over time (P < 0·001); however, when changes in intake were investigated, artichoke intake increased significantly more than carrot intake (P < 0·001). Artichoke intake increased to the same extent in all three conditions, and this effect was persistent up to 5 weeks post-intervention. Five exposures were sufficient to increase intake compared to the first exposure (P < 0·001). Repeated exposure to three variants of a novel vegetable was sufficient to increase intake of this vegetable, regardless of the addition of a familiar taste or energy. Repetition is therefore a critical factor for promoting novel vegetable intake in pre-school children.
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The aim of the study was to investigate consumers' preferences for variations of a visually presented meal. The study was conducted in three middle‐sized Danish towns, including 768 respondents who were presented with a computerized questionnaire that initially displayed four consecutive series of photos. The series each consisted of eight unique photos of randomized food dishes arranged around the center square in a 3 × 3 array. Five meal components, each with two levels, were investigated. One level of each component was used for each photo, in total 2 ⁵ = 32 combinations. The respondents were asked to select the meal they preferred the most, the second most and the least, respectively. Significant interactions were found between meal components and background variables such as, gender, age, geographic variables, purchase store and level of education. The current procedure can be applied to help solve a number of problems involving consumer choices. PRACTICAL APPLICATIONS This study outlines an approach to use visual images for investigations of food. Our results suggest that rather complex food stimuli of great similarity can be used to subdivide consumers based on sociodemographic background variables. We present an efficient and cheap quick method that provides and captures more information than an ordinary survey that focuses merely on the most preferred option. As a prerequisite for success, stimuli should be well known and appropriately selected. Hence, the present quick method can easily be applied for several practical purposes, such as pretesting, labeling, product flop prevention, and for specific optimization and selection tasks, e.g., convenience meals and institutional meal services in various contexts. The conjoint layout used allows for late‐based segmentation. It further allows for estimation on aggregate as well as individual level. The current approach is useful for database and/or online implementation.
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Food is central to cross-cultural studies of behavior, thought, and symbolism. The way it is presented to people, however, can have a dramatic influence on how palatable it is perceived and what is eaten. Because of this, issues of food plating and presentation are of applied interest to anyone who wishes to influence the perceptions and consumption of prepared food. This includes chefs, marketers, and parents. This study examines two questions: (a) What are these visual preferences of plating, and (b) How do they vary across cultures? To explore these questions, we presented a wide range of meal photos to adults from the United States, Italy, and Japan to assess preferences for various plating arrangements. Across six visual dimensions of food, there was a consistent preference for the number of colors on a plate (three), components on a plate (three to four) and the fill level of a plate; however, there were diverging preferences regarding the preferred position of the featured main course, how the items should be organized, and whether they should be casually presented. We discuss the implications of our findings for cross-cultural researchers as well as those who wish to influence the perceptions and food consumption of others.
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In this final chapter, we take a speculative look at the future of the perfect meal. We start with our feet planted firmly in the past, looking at which of the predictions regarding foods made over the last century or so have actually come to pass. We highlight how many of the futuristic food ideas that have been realized have come not from chefs or sensory scientists but rather from fiction. Take, for example, the lickable wallpaper and three-course chewing gum – foods that first made their appearance in Roald Dahl's Charlie and the Chocolate Factory and which a few diners have now had the opportunity to try, courtesy of the chef Heston Blumenthal. Increasingly, technological developments are enabling adventurous chefs and other culinary artists to make many of the Futurist's culinary dreams also come true. Later in the chapter we make some predictions of our own concerning where we see the perfect meal heading in the year 2084. Will we all be eating bug burgers? Will we be printing pizzas at home (or in space) on 3D printers? Will we be eating cultured meat that has been grown in the laboratory? Or will we be getting all of our nutritional requirements from pills instead? Perhaps, more mundanely, will we be ‘sous-viding’ the life out of anything proteinacious (most likely insects and algae) that is still left on planet Earth? Only the future will tell.
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This opinion piece takes a critical look at the current state of hospital food, with a focus on the UK’s National Health Service. Some of the unique challenges facing those serving food in this situation are identified. Unlike many other environments, the hospital/care home setting is one in which undernutrition is a significant issue. The suggestion is made that a number of the findings from studies of high-end gastrophysics research may have application as far as the provision of improved hospital food is concerned. A number of concrete recommendations and low-cost solutions are proposed.
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By focusing on a solid spicy food product and the trigeminal perception of spiciness, the present work aimed to test the effect of plate color on spiciness. Three experiments investigated the influence of color (red, yellow, green or white) on spiciness expectations (Experiment 1), the influence of color (red or white) on actual perceived spiciness (Experiment 2) and the mediation effect of spiciness expectations on the influence of color (red or white) on actual perceived spiciness (Experiment 3). Results showed that plate color exerted a significant influence on people's spiciness expectations and sense of actual perceived spiciness. In particular, the spicy bean curd presented on a red plate was perceived as significantly spicier than when presented on a green or white plate, while the spicy bean curd presented on a white plate was perceived as significantly less spicy than when presented on a red or yellow plate. Spiciness expectations significantly mediated the influence of color on actual perceived spiciness; participants expected, and consequently actually perceived, the same food product's spiciness as more intense when served on a red plate rather than on a white plate. Practical Applications This research provides information on how the color characteristics of the plate on which a solid spicy food was served affected participants’ expected spiciness for that food as well as their sense of its actual perceived spiciness. This research also provides information on how participants’ sense of actual perceived spiciness was mediated by their spiciness expectations for particular color–spiciness associations. Spicy food producers as well as restaurants, bars and supermarkets could use this information to boost sales through enhancing consumers’ flavor experiences of spicy foods by more intentionally selecting and designing packaging and differentiating the color characteristics of the food products themselves to enhance their levels of expected and actual perceived spiciness.
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It is often claimed that colour (e.g., in a meal) affects consumption behaviour. However, just how strong is the evidence in support of this claim, and what are the underlying mechanisms? It has been shown that not only the colour itself, but also the variety and the arrangement of the differently-coloured components in a meal influence consumers' ratings of the pleasantness of a meal (across time) and, to a certain extent, might even affect their consumption behaviour as well. Typically, eating the same food constantly or repeatedly leads to a decrease in its perceived pleasantness, which, as a consequence, might lead to decreased intake of that food. However, variation within a meal (in one or several sensory attributes, or holistically) has been shown to slow down this process. In this review, we first briefly summarize the literature on how general variety in a meal influences these variables and the major theories that have been put forward by researchers to explain them. We then go on to evaluate the evidence of these effects based mainly on the colour of the food explaining the different processes that might affect colour-based sensory-specific satiety and, in more detail, consumption behaviour. In addition, we also discuss the overlap in the definitions of these terms and provide additional hypothesis as to why, in some cases, the opposite pattern of results has been observed.
Article
Our perception of food is affected by the sensory properties of the food itself, together with our expectations about the food and other contextual factors. The latter are especially relevant in the restaurant setting, where appearance factors, such as the presentation of the food on the plates can dramatically affect food liking and consumption. However, to date, not much emphasis has been placed on the effect of the appearance of the accessories on our perception of food.The aims of the present study were therefore to test the extent to which the appearance properties of the plate influence the taste/flavor experiences of the food served on it. Specifically, we investigated the influence of the color (black or white) and shape of the plate on the perception of flavor intensity, sweetness, quality, and liking for identical strawberry mousse desserts.The results demonstrated that while the color of the plate exerted a significant influence on people’s perception of the food, the shape of the plate did not. In particular, when the mousse was served from a white plate, it was perceived as significantly more intense and sweeter, and was also liked more.These results therefore demonstrate the importance of the color (if not the shape) of the plate on people’s perception of food.
Article
Eating, drinking and food choices are among the most frequent human behaviours. Although seemingly simple, they are complex behaviours that are determined by many factors and their interactions. The complexity of the research field stresses the necessity to attack problems in an interdisciplinary way. Unfortunately, truly interdisciplinary approaches are still rare in both sensory and consumer research. Although the number of publications has grown rapidly, there is little methodological progress and much repetition of easy mono-disciplinary research. Furthermore, and perhaps worst of all, there is very little influx from the fascinating fundamental insights about human behaviour gained over the last two decennia in physiology and psychology. Thus, findings about intuitive reasoning and the clear demonstration of the unconscious nature of most of our decision making do not seem to have touched sensory and consumer research, although they probably play a more important role in food-related behaviour than anywhere else. Instead, people still strongly adhere to theories like the theory of reasoned action and planned behaviour that are based on the idea of rational and conscious decision making and have come under severe criticism on the basis of their low predictive validity, their weak methodology and their strong theoretical bias. Past behaviour, habit and hedonic appreciation are usually better predictors of actual food choice behaviour than psychological constructs like attitudes and intentions. New insights and especially the realisation that much decision making occurs at a non-conscious level, should lead to a rethinking of the methods used in sensory and consumer research. Situational analysis, observational methods and memory and expectation research have the advantage that they leave the interactive integration of the behaviour determinants with the subject, where it belongs, instead of dissecting and reconstructing it via isolated single factor research.
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A presentation of "the generalizations or principles that have emerged from the empirical investigations of perception." Attention is given to the research methods used and the data acquired. (PsycINFO Database Record (c) 2012 APA, all rights reserved)
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While the senses of taste, smell, and vision are distinct, visual stimuli have been shown to alter the perception of taste, smell, and flavor. Color may be the most obvious visual cue, but expectations through learned associations are set by other visual cues as well, including gloss, evenness, and shape. These expectations exert cognitive top-down influences that can and sometimes do alter assessments of taste and flavor.
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Two experiments, in which Ss were exposed to sequences of colored shapes, investigated effects on ratings of “pleasingness” and “interestingness” of variables that had previously been shown to affect ratings of “novelty.” The results indicate, on the whole, that both pleasingness and interestingness increase with novelty. These findings run counter to those of experiments indicating an inverse relation between novelty and verbally expressed preference. Two further experiments examined effects of some variables that might account for this apparent discrepancy. Homogeneous sequences declined in judged “pleasantness” more than sequences in which several stimuli were interspersed, and simple stimuli became less pleasant as they became less novel, while complex stimuli declined less or became more pleasant. The findings are related to hypotheses regarding mechanisms of hedonic value. Two crucial predictions were confirmed in a fifth experiment.
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Sensory science and consumer science are very young compared with the other scientific disciplines from which they have borrowed well-established methods. Methods and practices commonly used in sensory science and in consumer research are critically reviewed from a psychologist's point of view and alternative solutions are suggested. Five frequent fallacies are described and illustrated: the idea that people are uniform, that they are consistent, that they make rational choices, that their perception is more important than their memory of sensory impressions and that situations are characterised by objectively measurable context variables.
Article
This study has evaluated the impact of food choices at 2–3 years old on food preferences later in life, by following up the same subjects. Early preferences were estimated through recordings of food choices conducted in a nursery canteen in children aged 2–3, from 1982 to 1999. The children were free to choose the composition of their lunch from among a varied offering of eight dishes. The same subjects (n=341) were contacted in 2001–2002 and so their ages varied from 17–22 (n=91), 13–16 (n=68), 8–12 (n=99) to 4–7 (n=83). Their present preference for the 80 foods most frequently presented at the nursery canteen was assessed through a questionnaire. Five food categories were studied: vegetables, animal products, cheeses, starchy foods and combined foods. The ranking of preference for the different food categories changed especially after puberty. However, regressions performed by food category indicated that for most categories, individual present preference was highly linked to individual preference at 2–3 years old. The link was the stronger for cheeses, followed to a lesser extent by animal products and vegetables. Present preferences increased with age for vegetables and they decreased with age for animal products only in females (to a lesser extent, they decreased with age for starchy foods and cheeses). Analyses by specific foods confirmed the global analysis. Individual present preference was linked to individual early preference for all mature cheeses and for 50% of the foods for other categories: most of these items were strongly flavoured. This study showed that preferences were stable from 2- to 3-year-old until young adulthood and that some changes in preference occurred during adolescence.
Article
Studies that make use of separate measures to capture 'liking' and 'wanting' components of food reward signal a paradigm shift in research on hedonic (over)eating in man. In a recent review, Havermans (2011) highlighted some key methodological and theoretical challenges faced by those working on this issue. Unfortunately, this selective reading of the recent literature in the field presents a skewed picture; but it should not dampen the building momentum. On the other hand the paper is a timely call for researchers to clarify some of the neological confusion that has inevitably been generated along the way. In this response to Havermans (2011), we offer a more robust review of current progress in the assessment of 'liking' vs. 'wanting' food in human appetite. The evidence supports important theoretical and practical implications for a dual-process account of food reward; the developing nature of the research means the majority of these remain tantalisingly unexplored.
Article
Given the importance of food presentation and childhood nutrition, we aimed to test the degree to which adults and children might demonstrate different preferences for various ways in which food can be presented on plates. Twenty-three pre-teen children and 46 adults were individually presented full-size photos of 48 different combinations of food on plates. The photos varied according to seven dimensions (e.g. number of items, placement of entrée and organization of the food). Contrary to the default assumption that parents and children share preferences for the ways in which food is presented on plates, we find that children have notably different preferences than adults. Most remarkably, we show that children tended to prefer seven different items and six different colours on their ideal plates, while adults tended to prefer three different colours and three different items. The assumption that children prefer food presentations that match adult preferences appears to be unjustified. Future research and interventions that are designed to improve childhood nutrition should test for the impact of diverse presentations on actual food consumption among a variety of populations across institutional settings.
Article
Existing research reports inconsistent findings with regard to the effect of color on cognitive task performances. Some research suggests that blue or green leads to better performances than red; other studies record the opposite. Current work reconciles this discrepancy. We demonstrate that red (versus blue) color induces primarily an avoidance (versus approach) motivation (study 1, n = 69) and that red enhances performance on a detail-oriented task, whereas blue enhances performance on a creative task (studies 2 and 3, n = 208 and 118). Further, we replicate these results in the domains of product design (study 4, n = 42) and persuasive message evaluation (study 5, n = 161) and show that these effects occur outside of individuals' consciousness (study 6, n = 68). We also provide process evidence suggesting that the activation of alternative motivations mediates the effect of color on cognitive task performances.
Article
The importance of perceived complexity, a "collative property" as defined by [Berlyne, D. E. (1967). Arousal and reinforcement. In Nebraska symposium on motivation (pp. 1-110). University of Nebraska Press], to the dynamic development of preference was investigated. Eighty-six female and 82 male subjects rated their liking for and various collative properties of seven very similar orange drinks that differed only in perceived complexity as a result of adding small quantities of other flavours. This was done before and after giving each subject extended experience of one of the drinks, each being used equally often for this purpose. As predicted by the theory of [Dember, W. N., & Earl, R. W. (1957). Analysis of exploratory, manipulatory and curiosity behavior. Psychological Review, 64 (2), 91-96] exposure to a stimulus with a slightly higher complexity than an individual subject's optimally preferred level of perceived complexity, caused an upwards shift in that level, whereas exposure to a less complex stimulus had no such effect. Changes in the appreciation of the drinks predicted by the theory were also observed.
Article
Current train of thought in appetite research is favouring an interest in non-homeostatic or hedonic (reward) mechanisms in relation to overconsumption and energy balance. This tendency is supported by advances in neurobiology that precede the emergence of a new conceptual approach to reward where affect and motivation (liking and wanting) can be seen as the major force in guiding human eating behaviour. In this review, current progress in applying processes of liking and wanting to the study of human appetite are examined by discussing the following issues: How can these concepts be operationalised for use in human research to reflect the neural mechanisms by which they may be influenced? Do liking and wanting operate independently to produce functionally significant changes in behaviour? Can liking and wanting be truly experimentally separated or will an expression of one inevitably contain elements of the other? The review contains a re-examination of selected human appetite research before exploring more recent methodological approaches to the study of liking and wanting in appetite control. In addition, some theoretical developments are described in four diverse models that may enhance current understanding of the role of these processes in guiding ingestive behaviour. Finally, the implications of a dual process modulation of food reward for weight gain and obesity are discussed. The review concludes that processes of liking and wanting are likely to have independent roles in characterising susceptibility to weight gain. Further research into the dissociation of liking and wanting through implicit and explicit levels of processing would help to disclose the relative importance of these components of reward for appetite control and weight regulation.
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