Study Results
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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COMPLETED
NA
135 participants
INTERVENTIONAL
2020-08-15
2021-01-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Hypnosis
Hypnosis formed from hypnotic induction (an adapted version from Harvard Group Scale of Hypnotic Susceptibility) together with hypnotic suggestions about a future where they will control their eating behaviors by choosing the low-calorie food instead of dense calorie one.
Hypnosis
Participants received hypnotic induction with hypnotic suggestions for their eating behaviors.
Food Inhibition Training
Participants will perform an online computer go-no-go task. They will be shown pictures of dense and low-calorie food together with neutral pictures, followed by the instruction to press or not a button when the pictures are framed in a bold frame (dense calorie food).
Food inhibition training
Training the associations between foods and motor inhibition using a GO-NO-GO computer task.
Control
Participants will perform an online computer go-no-go task. They will be shown pictures of dense and low-calorie food together with neutral pictures, followed by the instruction to press the button to indicate the position of the picture - left or right.
Control
A simple GO-NO-GO task
Interventions
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Hypnosis
Participants received hypnotic induction with hypnotic suggestions for their eating behaviors.
Food inhibition training
Training the associations between foods and motor inhibition using a GO-NO-GO computer task.
Control
A simple GO-NO-GO task
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Persons who like high-calorie foods (self-report food preferences)
* Persons who have a medium to high score at the self-report daily snacking
* BMI\>25
Exclusion Criteria
* Under 18 years
* Health problems that can affect weight loss
* Persons with clinical problems such as diabetes, cardiovascular disease, mental problems, persons who take medicines that can affect weight loss
18 Years
ALL
Yes
Sponsors
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Babes-Bolyai University
OTHER
Responsible Party
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Comsa Loana
Principal Investigator
Principal Investigators
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Loana T Comsa, Phd Student
Role: PRINCIPAL_INVESTIGATOR
Babes-Bolyai University Cluj-Napoca
Locations
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Department of Clinical Psychology and Psychotherapy
Cluj-Napoca, Cluj, Romania
Departement of Clinical Psychology and and Psychotherapy, Babes-Bolyai University
Cluj-Napoca, Cluj, Romania
Countries
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References
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Adams RC, Lawrence NS, Verbruggen F, Chambers CD. Training response inhibition to reduce food consumption: Mechanisms, stimulus specificity and appropriate training protocols. Appetite. 2017 Feb 1;109:11-23. doi: 10.1016/j.appet.2016.11.014. Epub 2016 Nov 9.
Haggard P, Cartledge P, Dafydd M, Oakley DA. Anomalous control: when 'free-will' is not conscious. Conscious Cogn. 2004 Sep;13(3):646-54. doi: 10.1016/j.concog.2004.06.001.
Haggard P. Human volition: towards a neuroscience of will. Nat Rev Neurosci. 2008 Dec;9(12):934-46. doi: 10.1038/nrn2497.
Houben K, Jansen A. Training inhibitory control. A recipe for resisting sweet temptations. Appetite. 2011 Apr;56(2):345-9. doi: 10.1016/j.appet.2010.12.017. Epub 2010 Dec 24.
Houben K, Jansen A. Chocolate equals stop. Chocolate-specific inhibition training reduces chocolate intake and go associations with chocolate. Appetite. 2015 Apr;87:318-23. doi: 10.1016/j.appet.2015.01.005. Epub 2015 Jan 13.
Jones A, Hardman CA, Lawrence N, Field M. Cognitive training as a potential treatment for overweight and obesity: A critical review of the evidence. Appetite. 2018 May 1;124:50-67. doi: 10.1016/j.appet.2017.05.032. Epub 2017 May 22.
Kirsch I, Lynn SJ. Hypnotic involuntariness and the automaticity of everyday life. Am J Clin Hypn. 1997 Jul;40(1):329-48. doi: 10.1080/00029157.1997.10403402.
Lawrence NS, O'Sullivan J, Parslow D, Javaid M, Adams RC, Chambers CD, Kos K, Verbruggen F. Training response inhibition to food is associated with weight loss and reduced energy intake. Appetite. 2015 Dec;95:17-28. doi: 10.1016/j.appet.2015.06.009. Epub 2015 Jun 29.
Oakley DA, Halligan PW. Hypnotic suggestion and cognitive neuroscience. Trends Cogn Sci. 2009 Jun;13(6):264-70. doi: 10.1016/j.tics.2009.03.004. Epub 2009 May 8.
Shallice T. Dual functions of consciousness. Psychol Rev. 1972 Sep;79(5):383-93. doi: 10.1037/h0033135. No abstract available.
Stice E, Lawrence NS, Kemps E, Veling H. Training motor responses to food: A novel treatment for obesity targeting implicit processes. Clin Psychol Rev. 2016 Nov;49:16-27. doi: 10.1016/j.cpr.2016.06.005. Epub 2016 Jul 21.
Strack F, Deutsch R. Reflective and impulsive determinants of social behavior. Pers Soc Psychol Rev. 2004;8(3):220-47. doi: 10.1207/s15327957pspr0803_1.
Turton R, Nazar BP, Burgess EE, Lawrence NS, Cardi V, Treasure J, Hirsch CR. To Go or Not to Go: A Proof of Concept Study Testing Food-Specific Inhibition Training for Women with Eating and Weight Disorders. Eur Eat Disord Rev. 2018 Jan;26(1):11-21. doi: 10.1002/erv.2566. Epub 2017 Nov 3.
Beck, I., Smits, D. J., Claes, L., Vandereycken, W., & Bijttebier, P. (2009). Psychometric evaluation of the behavioral inhibition/behavioral activation system scales and the sensitivity to punishment and sensitivity to reward questionnaire in a sample of eating disordered patients. Personality and Individual Differences, 47(5), 407-412
Carver, C. S., & White, T. L. (1994). Behavioral inhibition, behavioral activation, and affective responses to impending reward and punishment: the BIS/BAS scales. Journal of personality and social psychology, 67(2), 319
Giel KE, Speer E, Schag K, Leehr EJ, Zipfel S. Effects of a food-specific inhibition training in individuals with binge eating disorder-findings from a randomized controlled proof-of-concept study. Eat Weight Disord. 2017 Jun;22(2):345-351. doi: 10.1007/s40519-017-0371-3. Epub 2017 Mar 7.
Hofmann, W., Friese, M., & Wiers, R. W. (2008). Impulsive versus reflective influences on health behavior: A theoretical framework and empirical review. Health Psychology Review, 2(2), 111-137
Norman, D. A., & Shallice, T. (1986). Attention to action. In Consciousness and self-regulation (pp. 1-18). Springer, Boston, MA.
Other Identifiers
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Phd Study 4
Identifier Type: -
Identifier Source: org_study_id
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