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Goal-directed and Cue-dependent Behavior in Severe Obesity

NCT ID: NCT04187066

Last Updated: 2024-12-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-08-01

Study Completion Date

2024-12-01

Brief Summary

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The current proposal aims to investigate implicit and explicit priming paradigms for changing cue-dependent and goal-directed nutritional behavior in participants with severe obesity before and after bariatric surgery as well as in a control group with normal weight.

Detailed Description

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Food choice and intake is a daily and throughout normal subject. However, for more and more people eating habits and the question of food choice are of increasing interest and in several cases even a problem. The prevalence of obesity has tripled in the last decades and it is even spoken of an obesity epidemic. Life style interventions to lose weight often fail on the long run, also because people fall back into former unhealthy eating habits. Bariatric surgery is a very effective procedure to reduce weight fundamentally.

Various factors influence our daily food choice, not all of which are apparent to ourselves. Thus, food choice might be goal-directed and therefore conscious and reflective, yet in other circumstances the choice to eat something specific might be based on cue dependent processes which are automatic and thus difficult to control. The aim of the current study is to investigate cue-dependent and goal-directed nutritional behavior as well as the effect of a health mindset induction in severe obesity as well as changes in such behaviors due to bariatric surgery.

Conditions

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Eating Behavior Habits Obesity

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Obese

severe obesity

mindset induction

Intervention Type BEHAVIORAL

induction of a health mindset to measure changes in cue-dependent and goal-directed behavior

Control

Control group with normal weight

mindset induction

Intervention Type BEHAVIORAL

induction of a health mindset to measure changes in cue-dependent and goal-directed behavior

Interventions

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mindset induction

induction of a health mindset to measure changes in cue-dependent and goal-directed behavior

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* experimental: severe obesity
* control: normal weight

Exclusion Criteria

* impaired cognitive functions, which might conflict with the task
* appropriate German
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University Hospital Tuebingen

OTHER

Sponsor Role lead

Responsible Party

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Sabine Frank

Reserach Associate

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University Clinic of Tuebingen, fMEG Center

Tübingen, , Germany

Site Status

Countries

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Germany

Other Identifiers

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PIT_BS

Identifier Type: -

Identifier Source: org_study_id