CHU de SAINT-ETIENNE
Saint-Etienne, 42000, France
NCT Number: NCT02538796
Anorexia nervosa (AN) is a common psychiatric illness, with severe prognosis (5% mortality) that has changed little over in half a century. One of the forms is the restrictive anorexia nervosa (ANR). It consists of a phobia of weight gain and food with a massive food restriction. This pathology is studied in psychology but not using the theories of embodied cognition in which "perception and action" interact through sensorimotor processes. They are the source of attitudes (unconscious) towards certain stimuli and influence our interpretation (conscious).
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Notify Me18 year–36 year
Female
Interventional
Not applicable
Saint-Etienne, 42000, France
The investigators hypothesis is that food restriction behavior is the result of two processes. One automatic and not conscious, which is an attraction toward food and manifests itself in the motivational attitudes of approach, and the other controlled and conscious, which prevents attraction to this type of stimuli and is manifested by motivational attitudes avoidance. These processes of attraction and avoidance are observed in embodied cognition paradigms because the answers induce movement of approach or avoidance of stimuli. The validation of these assumptions could lead to reconsideration of the respective roles of automatic and controlled processes in food behaviors of anorexics patients and to complete or refocus psychological techniques of care.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
for patients:
Inclusion criteria
for control group:
Exclusion criteria
for patients and control group:
The Test of Everyday Attention (TEA) measures the reaction time of the participant during the occurrence of an expected stimulus.
The Grober Test with 16 words to learn and to remember, measures the episodic verbal memory long term.
The Task 1 consists of a stimulus that moves on the screen. The response of the patient is done on the keyboard. It is composed on two conditions: one is fast (without conscious), the other consists in assessing words (conscious). It includes food and non-food words.
The TEA measures the reaction time of the participant during the occurrence of an expected stimulus.
The Grober Test with 16 words to learn and to remember, measures the episodic verbal memory long term.
The Task 2 consists of a stimulus that is fixed on the screen. The response of the patient is done by pushing or pulling a lever. It is composed on two conditions: one is fast (without conscious), the other consists in assessing words (conscious). It includes food and non-food words.
The TEA measures the reaction time of the participant during the occurrence of an expected stimulus.
The Grober Test with 16 words to learn and to remember, measures the episodic verbal memory long term.
The Task 3 is a compilation of tasks 1 and 2 to investigate the bidirectional link. The instructions are implicit condition to detect an A in the word ("yes-no" answer).
The TEA measures the reaction time of the participant during the occurrence of an expected stimulus.
The Grober Test with 16 words to learn and to remember, measures the episodic verbal memory long term.
The Task 3 is a compilation of tasks 1 and 2 to investigate the bidirectional link. The instructions are explicit condition to judge the emotional value of words ("positive-negative" answer).
Time frame: Day 1
Tasks are:
Time frame: Day 1
The Body Mass Index (BMI) is defined as the body mass divided by the square of the body height.
Time frame: Day 1
It is the rate of wrong answers in the different conditions of the three tasks.
Time frame: Day 1
The Eating Disorder Inventory (EDI) is a self-report questionnaire used to assess the presence of eating disorders.
Time frame: Day 1
The patient selects among several silhouettes a silhouette to represent her real body image and her ideal body image.
Centre Hospitalier Universitaire de Saint Etienne
Other
The Embodied Cognition: Exploratory Study of Automatic and Controlled Processes in Anorexia Nervosa. A Monocentric Study
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View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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