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Cerebral Excitability and Cognitive Performance

Not Applicable
Conditions
Cognitive Change
Registration Number
NCT03807934
Lead Sponsor
Tufts University
Brief Summary

This study investigates the perceptual and cognitive influences of low-intensity electrical brain stimulation (transcranial direct current stimulation; tDCS), versus control (sham) conditions.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
1500
Inclusion Criteria
  • Between ages of 18-65.
Exclusion Criteria
  • History of adverse reaction to tDCS (trans-cranial direct current stimulation).
  • History of seizure activity.
  • History of head injury (including neurosurgery).
  • History of illness causing brain injury.
  • History of other brain-related condition (such as traumatic brain injury).
  • History of diagnosis with a neurological or psychiatric disorder.
  • History of metal in head (outside of mouth), such as shrapnel, surgical clips, or fragments from welding or metalwork.
  • History of sensitive scalp.

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Primary Outcome Measures
NameTimeMethod
Visual perceptual performance36 weeks

Ability to accurately and efficiently perceive perceptual information, including threat detection, local contrast gradient detection, face memory, and intent appraisal. All are computerized tasks.

Verbal cognitive performance36 weeks

Ability to accurately and efficiently process verbal information, including verbal cued free association tasks, verbal long-term memory, and language comprehension. All are computerized tasks.

Spatial cognitive performance72 weeks

Ability to accurately and efficiently process spatial information, including map learning, virtual urban navigation, and mental rotation. All are computerized tasks.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Tufts University

🇺🇸

Boston, Massachusetts, United States

Tufts University
🇺🇸Boston, Massachusetts, United States

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