Transcranial Direct Current Stimulation for Impulsivity and Food-related Impulsivity in Obesity

  • STATUS
    Recruiting
  • participants needed
    30
  • sponsor
    University of Calgary
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Updated on 16 February 2024
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body mass index
transcranial direct current stimulation

Summary

In this study the investigators aim to assess whether transcranial direct current stimulation (tDCS; a safe non-invasive method for modulating the activity of specific brain regions) when applied over the orbitofrontal cortex (OFC) is able to modulate impulsivity in obese participants.

Description

In this single-blind, sham controlled study, the investigators will assess whether transcranial direct current stimulation (tDCS; a safe non-invasive method for modulating the activity of specific brain regions) when applied over the orbitofrontal cortex (OFC) is able to modulate impulsivity in obese volunteers. The investigators hypothesize that tDCS applied to the OFC, in comparison to sham tDCS, will significantly reduce impulsivity and enhance decision making as measured by computerized neurocognitive tasks. For this study the investigators will enroll 30 obese individuals aged 18-65 years. Participants will be assessed with a battery of computerized tasks as well as self-reported questionnaires on eating, impulsivity, mood and anxiety. Assessments will be carried out before, during, and after a single 20-minute 2mA tDCS session.

Details
Condition Impulsive Behavior
Age 18years - 65years
Treatment Transcranial direct current stimulation
Clinical Study IdentifierNCT04218383
SponsorUniversity of Calgary
Last Modified on16 February 2024

Eligibility

 Yes No Not Sure

Inclusion Criteria

Men or Women aged 18 to 65
have body mass index of 35 or above
have had no recent change in medications in the 2 weeks prior participating in the study
able to fast for 4 hours prior participating in the study

Exclusion Criteria

Active Substance use disorder
Active Suicidal ideation
Psychoactive Medication
Past or current Gambling disorder
Past or current Anorexia
Past or current Bulimia Nervosa
Past or current Psychosis
Visual impairments preventing performance of the neuropsychological tasks
Epilepsy
Traumatic Brain Injury
Stroke
Neurological disorder affecting motor functions (Parkinsons, Huntington's, etc)
Previous participation in tDCS research/treatment
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