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Feedbacks' Influence on Decision Making Processes

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Civil Hospices of Lyon

Status

Completed

Conditions

Healthy Volunteers

Treatments

Other: Effect of Galvanic Vestibular Stimulation on decision making processes
Other: mRI

Study type

Interventional

Funder types

Other

Identifiers

NCT02816632
69HCL15_0221
2015-A00623-46 (Other Identifier)

Details and patient eligibility

About

The purpose of this research is to identify and probe the neural networks involved in feedback processing. It aims at translating this knowledge to clinical populations in which this network is disrupted or compromised.

It includes two studies: 1) with fMRI in healthy subjects to identify the neural bases of feedback processing on decision making using different types of feedback (neutral, social and monetary) presented either infra- or supra-laminary and 2) probing the role of one structure, the anterior cingulate cortex, using Galvanic Vestibular Stimulation (GVS) in healthy subjects. The interventional part consists in the administration of Galvanic Vestibular Stimulation (GVS), which by means of small intensity currents activates the vestibular organs and subsequently vestibular-related brain areas. GVS will be delivered to healthy participants engaged in behavioural tasks requiring the processing of feedbacks of different nature (e.g. social or monetary feedbacks)

Enrollment

76 patients

Sex

All

Ages

18 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Benefit of social health security
  • Normal or corrected-to-normal vision

Exclusion criteria

  • Anamnesis of neurological of psychiatric illness
  • Pregnancy or breastfeeding
  • Administrative measures restricting legal rights
  • Epilepsy (including familiarity), migraines, chronic headaches
  • presence of pacemakers, cochlear implants, surgical clips, or any metallic component fixed in participants' body
  • Current treatment with psychotropic drugs
  • Alcohol assumption during the last 24 hours
  • Sleep deprivation
  • Recent participation to other brain stimulation studies (< 1 week)

Trial design

Primary purpose

Basic Science

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

76 participants in 1 patient group

healthy volunteers
Experimental group
Treatment:
Other: Effect of Galvanic Vestibular Stimulation on decision making processes
Other: mRI

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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