Sonia Rodríguez-Ruiz

Sonia Rodríguez-Ruiz
University of Granada | UGR · Department of Personality, Evaluation and Psychological Treatment

Ph.D

About

65
Publications
26,978
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1,637
Citations

Publications

Publications (65)
Article
Obesity is one of the most important health problems nowadays. In addition to the direct physical consequences, it is also a risk factor in the development of psychological (Eating disorders, body dissatisfaction, depression, anxiety, etc.) and social problems. Among there, body dissatisfaction is key for development and maintenance of such problem...
Poster
Full-text available
La insatisfacción corporal (IC) es un factor de riesgo de conductas no saludables relacionadas con la alimentación y el peso. La IC es común en las mujeres con obesidad puesto que reciben una fuerte presión por alcanzar el ideal de belleza impuesto socialmente. Sin embargo, la mayoría de intervenciones se centran en promover la pérdida de peso sin...
Article
This study examined whether poor health habits – those associated with a higher risk of developing eating disorders or obesity – modified adolescents’ emotions toward sweet food cues. We aimed to answer the following questions: Is adolescent obesity accompanied by excessive enjoyment of sweets? Or is any risk habit, regardless its stronger associat...
Article
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This study aimed to examine the psychophysiological changes resulting from two mirror exposure treatments that are effective at reducing body dissatisfaction. Thirty-five university women with body dissatisfaction and subclinical eating disorders were randomly assigned to one of two groups: pure (n = 17) or guided exposure (n = 18). The participant...
Poster
La insatisfacción corporal (IC) es un factor de riesgo de conductas no saludables relacionadas con la alimentación y el peso. La IC es común en las mujeres con obesidad puesto que reciben una fuerte presión por alcanzar el ideal de belleza impuesto socialmente. Sin embargo, la mayoría de intervenciones se centran en promover la pérdida de peso sin...
Poster
INTRODUCCIÓN: Mujeres afectadas por trastornos de la alimentación o del peso procesan imágenes de alimentos altamente apetecibles de manera diferente a la población sana sin estas alteraciones. En concreto, respecto a mujeres sanas, las pacientes con bulimia nerviosa se sienten peor y con menor control, mientras que las pacientes con obesidad sient...
Article
Full-text available
Recently, several sets of standardized food pictures have been created, supplying both food images and their subjective evaluations. However, to date only the OLAF (Open Library of Affective Foods), a set of food images and ratings we developed in adolescents, has the specific purpose of studying emotions toward food. Moreover, some researchers hav...
Chapter
Full-text available
The present study examines the effectiveness of a prolonged exposure to body technique for the treatment of body dissatisfaction in people without ED (Eating Disorder), but with high body dis- satisfaction. The mirror exposure technique was compared with other two forms of treatment, one that join mirror exposure plus neutral description of one’s b...
Article
Full-text available
In the last decades, food pictures have been repeatedly employed to investigate the emotional impact of food on healthy participants as well as individuals who suffer from eating disorders and obesity. However, despite their widespread use, food pictures are typically selected according to each researcher's personal criteria, which make it difficul...
Chapter
Full-text available
Antecedentes: La Open Library of Affective Foods (OLAF) es una librería de 96 imágenes originales de alimentos evaluadas por una amplia muestra de adolescentes en las dimensiones afectivas de valencia, arousal, dominancia y ansia por la comida (Miccoli et al., 2014). OLAF fue desarrollada para investigar el impacto emocional de las imágenes de comi...
Article
Full-text available
Emotional effects of upward body comparisons are suggested to occur automatically. A startle reflex paradigm was used to objectively examine the emotions elicited by viewing a picture of one's own body adopting a model pose or a neutral pose, in 30 women with high body dissatisfaction (HBD) and 33 women with low body dissatisfaction (LBD). In-task...
Article
Full-text available
Background Body dissatisfaction is the most relevant body image disturbance in bulimia nervosa (BN). Research has shown that viewing one's own body evokes negative thoughts and emotions in individuals with BN. However, the psychophysiological mechanisms involved in this negative reaction have not yet been clearly established. Our aim was to examine...
Article
Full-text available
Purpose: This study aimed at comparing weight loss methods (WLM) performed near competition by elite judo athletes from different age and gender groups and relating WLM with the prevalence of eating disorders. Methods: 144 athletes (66 females and 78 males) from the Spanish judo teams participated in this observational descriptive study grouped...
Article
Full-text available
Resumen: La insatisfacción corporal (IC) y la preocupación por el peso pueden llevar a jóvenes y niños a adoptar conductas alimenta-rias inadecuadas, y desencadenar un trastorno alimentario (TCA). Estas actitudes podrían estar influidas por las creencias familiares y del grupo de iguales. El objetivo del presente estudio fue explorar la relación en...
Article
Full-text available
Aims: To analyze changes in the general and specific psychopathology of morbidly obese bariatric surgery (BS) candidates after cognitive behavioral therapy (CBT) and assess differences between patients with and without binge eating disorder (BED) and between patients with obesity grades III and IV, studying their influence on weight loss. Methods...
Article
Full-text available
In this study we explored the relationship between subjective and objective measures of motor impulsivity in Spanish adolescents (N= 78). We used an emotional Go/No-Go task to investigate the potential modulation of behavioral inhibition by the affective valence of the stimuli, and whether such modulation was influenced by the adolescent's level of...
Article
Full-text available
Objective: To evaluate the effectiveness of Cognitive Behavioral Therapy (CBT) in the success of postoperative weight loss after 2 years of CB. Methods: A prospective observational study was conducted in consecutive patients with morbid obesity aged between 18 and 59 yrs and enrolled in the bariatric surgery program of the Obesity Surgery Unit of o...
Article
Full-text available
Resumen Este estudio, realizado con adolescentes españoles (N= 78), examinó la relación entre una medida subjetiva y otra conductual del componente motor de la impulsividad. Utilizamos una " tarea responder/no responder " emocional para investigar la modulación emocional asociada con imágenes de diferente valencia afectiva y su relación con el nive...
Article
Researchers have found that dietary restraint increases food cravings and may contribute to loss of control over eating. Negative mood states often precede food cravings and binge eating. In the present study, we tested the influence of a prolonged food deprivation period over emotional states and food cravings. Twenty-one bulimia nervosa participa...
Article
Full-text available
This study examined how deprivation of chocolate affects state-level chocolate cravings, mood, and chocolate consumption in high and low trait-level chocolate-cravers. After identifying high and low chocolate cravers (N=58), half of the participants were instructed not to eat any chocolate for 2weeks. This created four experimental groups: deprived...
Article
Full-text available
The aim of the present study was to examine the modulatory influence of heart rate variability (HRV), an index of autonomic regulation, on eye-blink startle in women with bulimic symptoms. Twenty-four women with bulimic symptoms and 24 control women underwent a psychophysiological test to assess their HRVs during a rest period. They then underwent...
Chapter
Dyscontrol is an essential trait in women with bulimia nervosa (BN). Indeed, impulsivity seems to underlie the neuropsychological and psychophysiological functioning of women suffering from BN. The present chapter looks at the lack of inhibitory control in BN through a wide range of behavioral, cognitive, and emotional processes. Throughout the cha...
Article
Full-text available
Food cravings are subjective, motivational states thought to induce binge eating among eating disorder patients. This study compared food cravings across eating disorders. Women (N=135) diagnosed with anorexia nervosa, restrictive (ANR) or binge-purging (ANBP) types, or bulimia nervosa, non-purging (BNNP) or purging (BNP) types completed measures o...
Article
We examined the habituation and recovery of two protective reflexes, cardiac defense and eye-blink startle, simultaneously elicited by a white noise of 500ms as a function of the time interval between stimulus presentations. Participants were 90 volunteers (54 women) randomly distributed into 6 inter-trial interval (ITI) conditions. They all receiv...
Chapter
Background. Individuals suffering from bulimia nervosa (BN) experience recurrent binge eating episodes and often have a propensity for drug abuse and other risky health behaviors. Given the high long-term social and personal costs inherent in these behaviors, researchers and clinicians often question why individuals with BN constantly engage in the...
Article
Full-text available
Lack of self-control is an essential fea-ture of bulimia nervosa; so much so that impulsiveness has been associated with neuropsychological and physiological alterations in these patients. In this paper we review articles on this subject that confirm that the existence of a decrease of inhibitory control explains the lack of self-control in behavio...
Article
Full-text available
The study examines the effect of heart rate variability (HRV) on the cardiac defence response (CDR) and eating disorder symptomatology in chocolate cravers. Female chocolate cravers (n = 36) and noncravers (n = 36) underwent a psychophysiological test to assess their HRV during a 5-min rest period, followed by three trials to explore the CDR, elici...
Chapter
Background. Impulsivity and emotional drive constitute distinctive markers of adolescence, characterized in many instances by sensation seeking and risk taking behaviors. On the other hand, the Go/No-Go task is possibly the experimental paradigm most often used when studying impulsivity and behavioral inhibition in the laboratory. Thus, the aim of...
Article
Full-text available
Morbid obesity has multiple negative consequences for psychological health. These patients are described as depressed, anxious, and impulsive, with low self-esteem and impaired quality of life. The severity of these psychological disorders has been related to the degree of obesity. The aim of this study was to analyze the psychopathological charact...
Article
We evaluated the psychometric properties and measurement equivalence of various forms of the Body Shape Questionnaire (BSQ) (Cooper et al., Int J Eat Disord, 6, 485-494, 1987) in American and Spanish women with and without an eating disorder diagnosis. Participants included four groups of women: Euro-American (n = 505), Hispanic-American (n = 151),...
Article
Full-text available
This study examined the relationship between heart rate variability (HRV), as an index of individual differences in emotion regulation, and perception of other-blame, as a mechanism of anger induction. The physiological responses were recorded while subjects read a story from a computer screen. The story narrated a negative event in self-referred w...
Article
Full-text available
This is the first study to evaluate the psychometric properties of the Food Craving Questionnaire-Trait (FCQ-T), and Food Craving Questionnaire-State (FCQ-S) measures using a clinically heterogeneous sample of eating disorder patients (N = 177) recruited from seven different outpatient eating disorder treatment centers in Spain. Confirmatory factor...
Article
Full-text available
The International Affective Digitized Sounds (IADS): Spanish Norms. The Spanish norms for the International Affective Digitized Sounds (IADS) are reported. The IADS is a standardized set of 110 digitalized sounds which are both reliable and valid for the experimental study of emotional processes. The construction of the IADS is based on Peter J. La...
Article
Full-text available
Este trabajo recoge los valores normativos de la adaptación española del Sistema Internacional de Sonidos Afectivos (IADS). El IADS es un conjunto estandarizado de 110 sonidos digitalizados, fiable y válido, para el estudio experimental de los procesos emocionales, construido a partir del modelo dimensional de las emociones propuesto por Peter J. L...
Article
The concept of defense relates to the idea that organisms react physiologically to the presence of danger or threat in order to protect themselves from potential injury or death. This article reviews the literature on cardiac defense, a specific defense reaction that has a long tradition in psychophysiological research. The review begins with a bri...
Article
The purpose of this study was to examine the psychometric properties of a Spanish version of the Bulimia Test-Revised (BULIT-R). The goal was to test the factor-structure equivalence of the BULIT-R across two samples of college students from two different cultures, Spain and the US. Researchers using exploratory factor analysis (EFA) and confirmato...
Article
Full-text available
English and Spanish versions of the FCQ-T [Cepeda-Benito, A., Gleaves, D. H., Williams, T. L., & Erath, S. A. (2000). The development and validation of the state and trait food-cravings questionnaires. Behavior Therapy, 31, 151-173] were adapted to create the food chocolate-craving questionnaire trait (FCCQ-T). Female college students from England...
Article
Full-text available
Food craving is considered a normal experience although it is not necessarily associated with eating disorders. However, sometimes the irresistible desire to eat a certain food could become an immediate antecedent to binge eating. In bulimia nervosa, factors that are traditionally likely to trigger a binge eating are the negative affects and the pr...
Article
Food craving is considered a normal experience although it is not necessarily associated with eating disorders. However, sometimes the irresistible desire to eat a certain food could become an immediate antecedent to binge eating. In bulimia nervosa, factors that are traditionally likely to trigger a binge eating are the negative affects and the pr...
Article
The present study examined the emotional reactivity to erotic and food images of women with and without bulimia nervosa using the picture-viewing paradigm. A non-clinical student sample made up of 48 women, 24 diagnosed with bulimia nervosa and 24 healthy controls, aged between 18 and 27 years (M=21.79), participated in the study. Diagnosis was bas...
Article
Full-text available
The aim of the study was to explore the effect of visualizing food images under different mood states and food restriction conditions on the emotional modulation of two defense reflexes (startle reflex and cardiac defense). 72 women at risk of suffering from bulimia nervosa were assigned to two groups: 1) a group under induced positive, neutral, or...
Article
Full-text available
Food craving is considered a normal experience although it is not necessari-ly associated with eating disorders. However, sometimes the irresistible desire to eat a certain food could become an immediate antecedent to binge eating. In bulimia nervosa, factors that are traditionally likely to trigger a binge eating are the negative affects and the p...
Article
Full-text available
El objetivo del estudio fue conocer el efecto de visualizar imágenes de comida bajo diferentes estados de ánimo y diferentes condiciones de restricción alimentaria en la modulación emocional de dos reflejos defensivos (sobresalto motor y defensa cardiaca). 72 mujeres con riesgo de padecer bulimia nerviosa fueron asignadas a dos grupos: 1) un grupo...
Article
Cue-reactivity to chocolate images was assessed using self-report and physiological measures. From a pre-screening sample of 454, young women were selected and assigned to high and low chocolate craving groups (N = 36/group). The experimental procedure consisted in the elicitation and measurement of the cardiac defense and startle reflexes while vi...
Article
The present study investigated the modulation of cardiac defense by presenting emotional pictures under both effective and non-effective masking procedures. The aim was to test Ohman's model of pre-attentive processing of fear. Participants were 48 women volunteers with intense fear of spiders. The stimulus to elicit cardiac defense was a white noi...
Article
We examined the potential for ethnicity to moderate the relationships between awareness and internalization of sociocultural ideals of appearance and between internalization and body dissatisfaction. Spanish (n = 100), Mexican American (n = 100), and European American (n = 100) female participants completed measures of sociocultural attitudes and b...
Article
Full-text available
Tesis Univ. Granada. Departamento de Personalidad, Evaluación y Tratamiento Psicológico. Leída el 28 de junio de 2005
Article
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The norms of the Spanish adaptation for shows 9­ 14 (second part) of the International Affective Picture System (lAPS) are presented. The results are highly consistent with those obtained in the first part of the Spanish adaptation and in the original USA version. The picture distribution in the bi-dimensional space, defined by the ratings of valen...

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