The Embodied Cognition: Exploratory Study of Automatic and Controlled Processes in Anorexia Nervosa. A Monocentric Study
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 176
- 试验地点
- 1
- 主要终点
- Response time (ms) in the different conditions of the three tasks (composite measure)
研究概览
简要总结
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).
详细描述
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.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 36 Years（Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •for patients:
- •Restrictive anorexia nervosa according to Diagnostic and Statistical Manual of Mental Disorders Text Revision (DSM IV-TR)
- •BMI> 16 to avoid the effects of undernutrition
- •Start disorders <10 years
- •Right handed
- •Having given free and informed consent prior to study participation
- •Subject affiliated to the French National Health Insurance
- •Inclusion Criteria for control group:
- •BMI between 18,5 and 25
- •Right handed
- •Of school level paired in that of the patients (+/-1 the year)
- •Having given free and informed consent prior to study participation
- •Subject affiliated to the French National Health Insurance
排除标准
- •for patients and control group:
- •Patients with at the beginning or during the study form of purgative anorexia nervosa
- •Control with disorders of current or past eating behavior.
- •Control making a restrictive diet during the study period
- •Participants with depressive table
- •Participants with a somatic problem restricted movement or a problem of uncorrected visual acuity annoying reading of the screen.
研究组 & 干预措施
Patients group 1
TEA + Grober Test + Task 1 + Grober Test
干预措施: TEA + Grober Test + Task 1 + Grober Test (Other)
Patients group 2
TEA + Grober Test + Task 2 + Grober Test
干预措施: TEA + Grober Test + Task 2 + Grober Test (Other)
Patients group 3
TEA + Grober Test + Implicit Task 3 + Grober Test
干预措施: TEA + Grober Test + Implicit Task 3 + Grober Test (Other)
Patients group 4
TEA + Grober Test + Explicit Task 3 + Grober Test
干预措施: TEA + Grober Test + Explicit Task 3 + Grober Test (Other)
Healthy volonteers group 1
TEA + Grober Test + Task 1 + Grober Test
干预措施: TEA + Grober Test + Task 1 + Grober Test (Other)
Healthy volonteers group 2
TEA + Grober Test + Task 2 + Grober Test
干预措施: TEA + Grober Test + Task 2 + Grober Test (Other)
Healthy volonteers group 3
TEA + Grober Test + Implicit Task 3 + Grober Test
干预措施: TEA + Grober Test + Implicit Task 3 + Grober Test (Other)
Healthy volonteers group 4
TEA + Grober Test + Explicit Task 3 + Grober Test
干预措施: TEA + Grober Test + Explicit Task 3 + Grober Test (Other)
结局指标
主要结局
Response time (ms) in the different conditions of the three tasks (composite measure)
时间窗: Day 1
Tasks are: * tap a key on the computer keyboard during the presentation of food and non-food words containing an "A" on a computer screen * pull a lever towards you at the presentation of food and non-food words on a computer screen * pull a lever towards you at the presentation of food and non-food words that approach on a computer screen
次要结局
- BMI in kg/m²(Day 1)
- Rate of wrong answers(Day 1)
- Score EDI-2(Day 1)
- Silhouettes test score(Day 1)