Status:

COMPLETED

Modulation of Cognitive Flexibility by Tyrosine Depletion and Transcranial Direct Current Stimulation

Lead Sponsor:

Sheffield Hallam University

Conditions:

Cognitive Flexibility

Eligibility:

All Genders

18-30 years

Phase:

NA

Brief Summary

The dorsolateral prefrontal cortex (dlPFC) and dopamine (DA) have been implicated in the control of cognitive flexibility. However, while a great deal of what it is know regarding a causative relation...

Eligibility Criteria

Inclusion

  • Either male or female
  • You are aged between 18 and 30 years
  • You are in good health
  • You agree to fast overnight prior to testing

Exclusion

  • Are suffering from cardiac, hepatic, renal, or neurological disorders
  • Damaged or diseased skin on your face and scalp, or a sensitive scalp
  • A history of alcohol or drug addiction, or severe psychiatric illness
  • Are in drug treatment which may lower seizure threshold (i.e. epilepsy)
  • You are pregnant
  • Slept less than 6 hours prior to coming to the lab
  • Suffer from phenylketonuria
  • A history of or current experience of migraine or headaches
  • A history of or current use of antidepressants
  • A history of or current use of tyrosine supplements
  • Consume more than five beverages containing caffeine per day

Key Trial Info

Start Date :

February 12 2018

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 30 2018

Estimated Enrollment :

36 Patients enrolled

Trial Details

Trial ID

NCT03462303

Start Date

February 12 2018

End Date

June 30 2018

Last Update

September 11 2018

Active Locations (1)

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1

Department of Psychology labs

Sheffield, South Yorkshire, United Kingdom, S10 2BQ