Obesity is a global health problem. New and more efficient interventions are needed to overcome this disease. This randomized clinical trial aims to evaluate the effectiveness of changing eating behavior using cognitive training. These types of interventions have the role of creating new routines (unconsciously processed), in terms of healthy eating behaviors.
This is a randomized clinical trial with three groups. Participants will be found through social media announcements. The active interventions of cognitive training will be delivered at two groups: one group will receive through hypnosis and the other will receive through food inhibition training (a GO NO GO task). The control group will receive a simple GO NO GO task as an active placebo. The trial will be exclusively online and it consists of five sessions. Participants will complete their tasks on four Zoom sessions. Cognitive, emotional and behavioral data will be taken at four times: before the intervention starts, in the middle (after two sessions), at the end and at two follow up moments: one month and six months after the trial ends.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
135
Participants received hypnotic induction with hypnotic suggestions for their eating behaviors.
Training the associations between foods and motor inhibition using a GO-NO-GO computer task.
A simple GO-NO-GO task
Department of Clinical Psychology and Psychotherapy
Cluj-Napoca, Cluj, Romania
Departement of Clinical Psychology and and Psychotherapy, Babes-Bolyai University
Cluj-Napoca, Cluj, Romania
Change in Weight
Weight in kg
Time frame: Baseline, pre-intervention; immediately after the intervention; 1 month; 6 month.
Change in Eating behaviour 1 - Daily Snacking
A self reported questionnaire of high calorie food frequency
Time frame: Baseline, pre-intervention; immediately after the intervention; 1 month; 6 month.
Change in Eating behaviour 2 - Quantity of calories intake
A self reported diary of food in two different day of the week (weekday and weekend day)
Time frame: Baseline, pre-intervention; in the week of the intervention; 1 month; 6 month.
Change in Eating behaviour 3
Self-reported Three Factor Eating Questionnaire. The scale measures three aspects of eating behavior: cognitive restraint (CR), uncontrolled eating (UE), and emotional eating (EE). It has 21 items and the responses are on a four-point Likert scale ranging from 1 Definitely true to 4 Definitely false with three subscales one for each domain. Higher scores indicate greater CR, UE, or EE.
Time frame: Baseline, pre-intervention; immediately after the intervention;1 month; 6 month.
Change in Positive and Negative Affect
Self-report - Positive and Negative Schedule (PANAS). The responses are made using Likert type ratings from 1 - Not at all, to 5 Very much. Higher scores on negative affect representing higher levels of negative affect and higher scores on positive affect representing higher levels of positive affect.
Time frame: Baseline, pre-intervention; during the intervention (after 2 days), immediately after the intervention;1 month; 6 month.
Change in Motivation
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Self-report - Intrinsic Motivation Inventory. The interest/enjoyment subscale is considered the self-report measure of intrinsic motivation; The responses are made using Likert type ratings from 1 - not at all true to 7 very true. Higher total scores indicate higher intrinsic motivation.
Time frame: Baseline, pre-intervention; during the intervention (after 2 days), immediately after the intervention; 1 month; 6 month.
Change in Self-Efficacy
Self-report - Weight Efficacy Lifestyle Questionnaire. The response is given using a Likert scale in 0 to10 points: 0 for "Not confident at all" and 10 indicates "Very confident". Higher total scores are associated with higher eating self-efficacy and motivation to make positive lifestyle changes.
Time frame: Baseline, pre-intervention; during the intervention (after 2 days), immediately after the intervention; 1 month; 6 month.
Change in Eating Intentions
Self-report - A three-point Likert scale created by authors. Higher scores indicate a stronger desire to eat high-calorie food.
Time frame: Baseline, pre-intervention; during the intervention (after 2 days), immediately after the intervention; 1 month; 6 month.
Change in Eating Preferences
Self-report - A three-point Likert scale created by authors about the preferences of high-calorie food. Higher scores mean a high preference for high-calorie food.
Time frame: Baseline, pre-intervention; immediately after the intervention; 1 month; 6 month.