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The Embodied Cognition: Exploratory Study of Automatic and Controlled Processes in Anorexia Nervosa.

2016년 3월 9일 업데이트: Centre Hospitalier Universitaire de Saint Etienne

The Embodied Cognition: Exploratory Study of Automatic and Controlled Processes in Anorexia Nervosa. A Monocentric Study

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).

연구 개요

상태

완전한

정황

개입 / 치료

상세 설명

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.

연구 유형

중재적

등록 (실제)

176

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

  • 프랑스
      • Saint-etienne, 프랑스, 42000
        • CHU de Saint-Etienne

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 (성인)

건강한 자원 봉사자를 받아들입니다

예

연구 대상 성별

여성

설명

Inclusion Criteria 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

Exclusion Criteria 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.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Patients group 1
TEA + Grober Test + Task 1 + Grober Test
다른: TEA + Grober Test + Task 1 + Grober Test

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.
실험적: Patients group 2
TEA + Grober Test + Task 2 + Grober Test
다른: TEA + Grober Test + Task 2 + Grober Test

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.
실험적: Patients group 3
TEA + Grober Test + Implicit Task 3 + Grober Test
다른: TEA + Grober Test + Implicit Task 3 + Grober Test

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).
실험적: Patients group 4
TEA + Grober Test + Explicit Task 3 + Grober Test
다른: TEA + Grober Test + Explicit Task 3 + Grober Test

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).
활성 비교기: Healthy volonteers group 1
TEA + Grober Test + Task 1 + Grober Test
다른: TEA + Grober Test + Task 1 + Grober Test

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.
활성 비교기: Healthy volonteers group 2
TEA + Grober Test + Task 2 + Grober Test
다른: TEA + Grober Test + Task 2 + Grober Test

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.
활성 비교기: Healthy volonteers group 3
TEA + Grober Test + Implicit Task 3 + Grober Test
다른: TEA + Grober Test + Implicit Task 3 + Grober Test

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).
활성 비교기: Healthy volonteers group 4
TEA + Grober Test + Explicit Task 3 + Grober Test
다른: TEA + Grober Test + Explicit Task 3 + Grober Test

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).

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Response time (ms) in the different conditions of the three tasks (composite measure)
기간: 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
Day 1

2차 결과 측정

결과 측정
측정값 설명
기간
BMI in kg/m²
기간: Day 1
The Body Mass Index (BMI) is defined as the body mass divided by the square of the body height.
Day 1
Rate of wrong answers
기간: Day 1
It is the rate of wrong answers in the different conditions of the three tasks.
Day 1
Score EDI-2
기간: Day 1
The Eating Disorder Inventory (EDI) is a self-report questionnaire used to assess the presence of eating disorders.
Day 1
Silhouettes test score
기간: Day 1
The patient selects among several silhouettes a silhouette to represent her real body image and her ideal body image.
Day 1

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Centre Hospitalier Universitaire de Saint Etienne

수사관

  • 수석 연구원: Catherine MASSOUBRE, MD PhD, CHU de Saint-Etienne

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작

2011년 5월 1일

기본 완료 (실제)

2016년 1월 1일

연구 완료 (실제)

2016년 1월 1일

연구 등록 날짜

최초 제출

2015년 8월 31일

QC 기준을 충족하는 최초 제출

2015년 9월 1일

처음 게시됨 (추정)

2015년 9월 2일

연구 기록 업데이트

마지막 업데이트 게시됨 (추정)

2016년 3월 10일

QC 기준을 충족하는 마지막 업데이트 제출

2016년 3월 9일

마지막으로 확인됨

2016년 3월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • 1001179
  • 2010-A01523-36 (기타 식별자: ANSM)

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

TEA + Grober Test + Task 1 + Grober Test에 대한 임상 시험

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약물 개입

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정황

희귀 질병

약물 개입

식이 보충제

스폰서 / 협력자

위치

구독하다