Status:

COMPLETED

The Effect of Repetitive Transcranial Magnetic Stimulation (rTMS) on Working Memory

Lead Sponsor:

Centre for Addiction and Mental Health

Conditions:

Schizophrenia

Eligibility:

All Genders

18-85 years

Phase:

NA

Brief Summary

Deficits in working memory (WM) performance are the most significant cognitive impairments in schizophrenia (SCZ). It has also been shown that WM performance is contingent on the cortex synchronizatio...

Detailed Description

To directly investigate whether enhanced gamma synchrony mediates rTMS enhancement of WM in patients with SCZ, and in healthy individuals the investigators propose the following study. The relationshi...

Eligibility Criteria

Inclusion

  • Inclusion Criteria for Schizophrenia Subjects:
  • Voluntary and competent to consent
  • SCID-IV Diagnosis of Schizophrenia or Schizoaffective Disorder
  • Between the ages of 18 and 85
  • Inclusion Criteria for Healthy Subjects:
  • voluntary and competent to consent
  • between the ages of 18-85
  • considered a healthy individual free of psychopathology based on the Personality Assessment Inventory
  • right-handed determined by the TMS screening and demographic form
  • self-reported non-smoker
  • do not have a self-reported concomitant major medical or neurologic illness
  • if a woman of childbearing potential, must be on an effective means of birth control determined through completion of the TMS screening and demographic form.
  • Exclusion Criteria for both Healthy Controls and Schizophrenia Subjects:
  • Have a DSM-IV history of substance abuse or dependence in the last 6 months
  • Have a concomitant major and unstable medical or neurologic illness
  • Have a history of seizures
  • Have a first degree relative with a history of a seizure disorder
  • Are pregnant
  • Have any clinically significant EEG activity indicating an increased risk of seizure, as confirmed by a neurologist.

Exclusion

    Key Trial Info

    Start Date :

    May 1 2006

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    November 1 2012

    Estimated Enrollment :

    122 Patients enrolled

    Trial Details

    Trial ID

    NCT01494623

    Start Date

    May 1 2006

    End Date

    November 1 2012

    Last Update

    June 11 2013

    Active Locations (1)

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    1

    Centre for Addiction and Mental Health

    Toronto, Ontario, Canada, M6J 1H4