Martine Hausberger

Martine Hausberger
French National Centre for Scientific Research | CNRS · Laboratoire de'éthologie animale et humaine

PhD, Dr Science

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348
Publications
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Publications

Publications (348)
Article
Early deprivation of adult influence is known to have long‐lasting effects on social abilities, notably communication skills, as adults play a key role in guiding and regulating the behavior of youngsters, including acoustic repertoire use in species in which vocal production is not learned. Cheetahs grow up alongside their mother for 18 months, th...
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Attention is a central process of cognition and influences the execution of daily tasks. In humans, different types of work require different attentional skills and sport performance is associated with the ability to attention shift. Attention towards humans varies in dogs used for different types of work. Whether this variation is due to the recru...
Article
Social cognition involves a wide array of skills that are built largely through interactions with conspecifics and therefore depend upon early social experience. Motivation for social stimuli is a key feature of social behavior and an operant conditioning task showed that isolated wild‐caught adult starlings (Sturnus vulgaris) are highly motivated...
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Animal-assisted interventions (AAI) seem to offer promising possibilities to prevent daily conditions of inmates (overcrowding or social isolation); however, nothing is known either about the potential processes involved or impact AAI on the development of interactions between inmates. We hypothesized that either dogs would be a source and the cent...
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Little is known about the impact of equine-assisted interventions (EAI) on equids’ perception of humans. In this study 172 equids, living in 12 riding centres, were submitted to a standardised human–horse relationship test: the motionless person test. Age, sex, type (horse/pony), housing, and feeding conditions of subjects were recorded. Overall, 1...
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Horses were domesticated for more than 5000 years and have been one of the most emblematic species living alongside humans. This long-shared history would suggest that horses are well known and well understood, but scientific data raise many concerns about the welfare state of most domestic horses suggesting that many aspects have been largely misu...
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Attention is defined as the ability to process selectively one aspect of the environment over others and is at the core of all cognitive processes such as learning, memorization, and categorization. Thus, evaluating and comparing attentional characteristics between individuals and according to situations is an important aspect of cognitive studies....
Preprint
To understand the processes involved in biological invasions, the genetic, morphological, physiological and behavioral characteristics of invasive populations need to be understood. Many invasive species have been reported to be flying species. In birds, both invaders and migrants encounter novel situations, therefore one could expect that both gro...
Preprint
When biological invasions by animals occur, the individuals arriving in novel environments can be confronted with unpredictable or unfamiliar resources and may need social interaction to improve survival in the newly colonized areas. Gathering with conspecifics and using social information about their activities may reveal the location of suitable...
Preprint
Invasions ecology deals more and more with behavioural characteristics of invasive species. Particularly, research have focused on the personality of invaders and on their way of coping with novelty in new habitats. Traits of neophobia may limit individuals in their exploration of novel objects or the consumption of novel foods, they may stop the a...
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Better understanding how audience size influences emotions and behaviours during public performances is of particular importance since it may both impact the level of anxiety and quality of achievement of the performer and alter the degree of appreciation of the observer. We tested this question in a naturalistic setting by analyzing self-assessmen...
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Recent research into starling species has revealed the existence of vocal social markers and a link between song temporal structuring and social organisation. The aim of the present study was to develop a genetic tool for understanding the population structuring and behaviour (social/parental transmission) and mating in Pale-winged Starlings ( Onyc...
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Sensory laterality is influenced by the individual's attentional state. There are variations in the way different individuals of a same species attend to stimuli. When confronted to novelty, some individuals are more explorative than others. Curiosity is composed of sensation and knowledge seeking in humans. In the present study, we hypothesized th...
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Assessing the animal welfare state is a challenge given the subjective individual cognitive and emotional processing involved. Electroencephalography (EEG) spectrum analysis has proved an ecologically valid recording situation to assess the link between brain processes and affective or cognitive states in humans: a higher slow wave/fast wave ratio...
Article
Human emotions guide verbal and non-verbal behaviour during social encounters. During public performances, performers’ emotions can be affected directly by an audience’s attitude. The valence of the emotional state (positive or negative) of a broad range of animal species is known to be associated with a body and visual orientation laterality bias....
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Assessing chronic pain is a challenge given its subjective dimension. In humans, resting state electroencephalography (EEG) is a promising tool although the results of various studies are contradictory. Spontaneous chronic pain is understudied in animals but could be of the highest interest for a comparative study. Riding horses show a very high pr...
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Abstract Although epilepsy is considered a public health issue, the burden imposed by the unpredictability of seizures is mainly borne by the patients. Predicting seizures based on electroencephalography has had mixed success, and the idiosyncratic character of epilepsy makes a single method of detection or prediction for all patients almost imposs...
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Visual social attention is an important part of the social life of many species, including humans, but its patterning may vary between species. Studies on human-pet relationships have revealed that visual attention is also part of such interspecific interactions and that pets are sensitive to the human visual attentional state. It has been argued t...
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Humans’ early olfactory perception has been studied mainly within the framework of mother–offspring interactions and only a few studies have focused on newborns’ abilities to discriminate body odors per se. The aim of this study was to develop a method to evaluate olfactory social preferences of infants at term-equivalent age. Twenty dyads of infan...
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Group cohesion relies on the ability of its members to process social signals. Songbirds provide a unique model to investigate links between group functioning and brain processing of social acoustic signals. In the present study, we performed both behavioral observations of social relationships within a group of starlings and individual electrophys...
Article
We investigated infants’ capacities to express themselves orally at very early developmental stages. Most reports focus on crying when in pain or hungry. We evaluated young preterm infants’ spontaneous vocal production in non-painful contexts. We identified a vocal repertoire composed of nine types of vocalisations. High-pitched sounds were associa...
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Previous studies evidenced that already from birth, newborns can perceive differences between a direct versus an averted gaze in faces both presented in static and interactive situations. It has been hypothesized that this early sensitivity would rely on modifications of the location of the iris (i.e. the darker part of the eye) in the sclera (i.e....
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Despite a growing body of research on perinatal sensory abilities, data on the extent of tactile sensitivity and more particularly passive touch (i.e. sensitivity to a stimulation imposed on the skin) are relatively limited, and the development and processing of tactile function are still thus little known. This question is particularly of high imp...
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Although the question of animal welfare has been an important source of concern in the scientific community for several decades, many aspects are still under debate. On-farm assessments have to be rapid, acceptable to farmers and safe for both the assessors and animals. They are thus very demanding, with multiple decisions to make, such as the choi...
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Artificial weaning is a standard practice known to be one of the most stressful events in a domestic foal’s life. Research has mainly focused on ways to alleviate weaning stress. However, there is still a need for more detailed research on what should constitute best practices with respect to animal welfare. The aim of this review is to address thi...
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Despite controversies and the lack of research, dogs are empirically selected and trained to perform as service dogs, in relation to the dogs’ and future owners’ characteristics. We assessed the characteristics of both humans and dogs in an unbiased population (not selected or trained) of spontaneous seizure-alert by pet dogs and investigated wheth...
Article
Horses, and in particular sport horses, remain housed predominantly in single stalls. One of the main reported reasons is the fear that they will become agitated and injure themselves and thereby impair their performance if released in paddocks. The hour spent daily at work is also assumed to be sufficient to satisfy the horses’ needs for locomotio...
Article
Several previous studies have shown that working conditions (including riding) can induce stress in horses. Riders' actions and postures, when inappropriate, induce stress and conflict behaviours during riding and welfare impairment and negative emotional states outside work. Optimistic biases have been found in leisure horses, which, amongst posit...
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Vocal communication plays an important role in the regulation of social interactions and the coordination of activities in many animal species. Synchrony is an essential part of the establishment and maintenance of pair bonds, but few reports have investigated decision-making at the pair level. We investigated temporal characteristics of call excha...
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Background: Prioritization of the processing of threatening stimuli induces deleterious effects on task performance. However, emotion evoked by viewing images of snakes exerts a facilitating effect upon making judgments of their color in neurotypical adults and schoolchildren. We attempted to confirm this in school and preschool children with and w...
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Acute stress induces an array of behavioural reactions in horses that vary between individuals. Attempts to relate behavioural patterns and physiological responses have not always given clear-cut results. Here, we measured the changes in a panel of salivary components: salivary alpha-amylase (sAA), lipase, total esterase (TEA), butyrylcholinesteras...
Article
Research in cognitive psychology has repeatedly shown how much cognition and emotions are mutually related to one another. Psychological disorders are associated with cognitive (attention, memory and judgment) biases and chronic pain may affect attention, learning or memory. Laboratory studies have provided useful insights about the processes invol...
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Brain lateralization is a phenomenon widely reported in the animal kingdom and sensory laterality has been shown to be an indicator of the appraisal of the stimulus valence by an individual. This can prove a useful tool to investigate how animals perceive intra- or hetero-specific signals. The human-animal relationship provides an interesting frame...
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Some cues used by humans and animals during human-animal interactions may have significant effects, modulating these interactions (e.g., gaze direction, heart rate). This study aimed to determine whether an animal in human-animal interactions is capable of “perceiving” its human partner’s potential developmental “disabilities”. To test this hypothe...
Article
Despite the spatial and social restrictions it causes, single stall housing still prevails in sport and riding school horses, leading to the emergence of abnormal behaviours such as stereotypic or abnormal repetitive behaviours (SB/ARB). In the present study, we investigated the impact of the type (visual/tactile) and amount of social information t...
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La pratique de médiation équine pour les personnes avec troubles du spectre autistique (TSA) connait une expansion depuis plus d'une décennie en France. Pour autant, il apparait nécessaire de s'intéresser aux connaissances scientifiques sur cette question, qui restent rares, notamment sur l'impact de la pratique sur le cheval et sur l'humain. Cette...
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“Audience effect” is the influence of an audience size or composition on the emotional state of a public speaker. One characteristic of the audience which has received little attention is the spatial position of observers. We tested the influence of three positions (frontal, bi-frontal, and quadri-frontal) on actors and spectators’ emotions in real...
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Although different studies have shown that diseases such as breast or lung cancer are associated with specific bodily odours, no study has yet tested the possibility that epileptic seizures may be reflected in an olfactory profile, probably because there is a large variety of seizure types. The question is whether a “seizure-odour”, that would be t...
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Despite the fact that animal posture is known to reflect emotional state, the presence of chronic postures associated with poor welfare has not been investigated with an objective tool for measuring, quantifying and comparing postures. The use of morphometric geometrics (GM) to describe horse posture (profile of the dorsum) has shown to be an effec...
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Studies on auditory laterality have revealed asymmetries for processing, particularly species-specific signals, in vertebrates and that each hemisphere may process different features according to their functional “value”. Processing of novel, intense emotion-inducing or finer individual features may require attention and we hypothesised that the “f...
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Recently, there has been a rising interest in service dogs for people with epilepsy. Dogs have been reported as being sensitive to epileptic episodes in their owners, alerting before and/or responding during or after a seizure, with or without specific training. The purpose of this review is to present a comprehensive overview of the scientific res...
Data
Appendix: Dog alerting and/or responding to epileptic seizures: A scoping review. Table A: List of the twenty-three studies dealing with seizure-dogs and excluded due to lack of quantitative results. (DOCX)
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Stimuli such as visual representations of raptors, snakes, or humans are generally assumed to be universally fear-inducing in birds and considered as a product of evolutionary perceptual bias. Both naïve and experienced birds should thus react to such stimuli with fear reactions. However, studies on different species have shown the importance of ex...
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The study of animal behavior, especially regarding welfare, needs the development of tools to identify, quantify and compare animal postures with interobserver reliability. While most studies subjectively describe animal postures, or quantify only limited parts of the body, the usage of geometric morphometrics has allowed for the description of hor...
Data
Postures associated with the proportions. Results of the first two dimensions of the Principal Components Analysis performed on the GLS with the SSL method on the dorsum without neck rotation, for ‘standing motionless’. The deformation grids corresponding to each extremum of the PC1 are represented (maximum in red, minimum in blue). B = brachymorph...
Data
Postures associated with the type of equid. Results of the first two dimensions of the Principal Components Analysis performed on the GLS with the mixed method on the dorsum without neck rotation, for ‘standing motionless’. The deformation grids corresponding to each extremum of the PC1 are represented (maximum in red, minimum in blue). (TIF)
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Domestic species can make the distinction between several human sub-groups, especially between familiar and unfamiliar persons. The Domestication hypothesis assumes that such advanced cognitive skills were driven by domestication itself. However, such capacities have been shown in wild species as well, highlighting the potential role of early exper...
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Raptors are one of the most important causes of fatalities due to their collisions with aircrafts as well as being the main victims of collisions with constructions. They are difficult to deter because they are not influenced by other airspace users or ground predators. Because vision is the primary sensory mode of many diurnal raptors, we evaluate...
Data
The nine visual stimuli presented to raptors. (TIF)
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Location of the screens according to the runway. Red strips indicated the area to be protected. (JPG)
Data
List of bird species present at the airport. (JPG)
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Example of presence of raptors on runway before stimulus display. (JPG)
Article
Public performance is a reported source of anxiety. While the relationship between emotion and postural laterality is well-known in animals, few studies have tested the possible link between audience effect, anxiety and head orientation in humans. The Valence-Specific Hypothesis posits that the left/right sides of the brain are specialized for proc...
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Full-text available
While the vocal coding of human and animal internal states has been widely studied, the possible acoustic expression of "positive" emotions remains poorly known. Recent studies suggest that snorts (non-vocal sounds produced by the air expiration through the nostrils) appear to be reliable indicators of positive internal states in several ungulate s...
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Indicators of positive emotions are still scarce and many proposed behavioural markers have proven ambiguous. Studies established a link between acoustic signals and emitter’s internal state, but few related to positive emotions and still fewer considered non-vocal sounds. One of them, the snort, is shared by several perrisodactyls and has been ass...
Data
Individuals’s data collected in the present study. (PDF)
Data
Original p values obtained after running the Mann Whitney tests comparing NC1 and NC2 data. (PDF)
Data
The behavioural repertoire used for the study, adapted from a typical horse ethogram (McDonnell, 2003; Waring, 2003). (PDF)