NCT07202702

Brief Summary

The purpose of this study is to determine whether "transcranial direct current stimulation" (tDCS) is effective in enhancing learning of complex motor tasks of precision and accuracy that require the simultaneous coordination of both hands. The study will utilize a between-subjects, SHAM controlled design. Subjects will be randomly selected to receive either SHAM (n=26) or a-tDCS (n=26) stimulation and will be blinded to their condition throughout testing. Subjects will complete a total of two testing sessions, separated by \~24 hours. Both sessions will have the subject play the videogame "Guitar Hero", with a single song done for several trials as pre- and post-assessments. The first session will contain a 20-minute practice/stimulation block where subjects practice the guitar task while receiving either "active" or "inactive" stimulation of the motor cortex. The first session will last approximately 75 to 90 minutes whereas the second session will last approximately 15 to 20 minutes.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
52

participants targeted

Target at P25-P50 for not_applicable

Timeline
10mo left

Started Mar 2025

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress59%
Mar 2025Mar 2027

Study Start

First participant enrolled

March 3, 2025

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

August 18, 2025

Completed
2 months until next milestone

First Posted

Study publicly available on registry

October 2, 2025

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 3, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 3, 2027

Last Updated

March 30, 2026

Status Verified

March 1, 2026

Enrollment Period

2 years

First QC Date

August 18, 2025

Last Update Submit

March 25, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Improvement in a video game

    To determine whether a-tDCS influences motor skill acquisition of a dexterous video game task by measuring the outcome of videogame performance (number of notes played) with and without a-tDCS

    1 year

Secondary Outcomes (1)

  • Retention and Learning

    1 Year

Study Arms (2)

tDCS

EXPERIMENTAL

This group will receive 20 minutes of 1 mA tDCS stimulation to the motor cortex while playing the videogame.

Device: tDCS

SHAM

PLACEBO COMPARATOR

This group will receive 30 seconds of 1 mA tDCS stimulation to the motor cortex and then it will shut off, effectively serving as a control, while subjects play the videogame for 20 minutes

Device: tDCS

Interventions

tDCSDEVICE

Applying tDCS to determine if it facilitates learning of a video game task

SHAMtDCS

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Between ages 18 and 45 years old (to avoid any changes in the developing brain, or with aging).
  • Answer 'no' to questions 2 through 16 on the tDCS checklist as these factors can increase likelihood of adverse events with tDCS
  • No neurological damage, disease, or dysfunction (nerve damage, chronic pain disorders, diabetic neuropathy) that affect the upper limbs.
  • No significant acute or chronic medical, neurologic, or illness in the patient that, in the judgment of the Principal Investigator, could compromise subject safety, limit the ability to complete the study, and/or compromise the objectives of the study

You may not qualify if:

  • Currently prescribed and taking stimulant medication (Adderall, Ritalin, Vyvanse, etc.)
  • Consumption of over-the-counter stimulants such as caffeine or nicotine (coffee, soda, supplements, energy drinks, tobacco products, or other nicotine containing products such as gum, vape pens, etc...) 12 hours prior to entering the lab on the day of testing as this can directly affect cortical excitability. If a subject takes any of these substances 12 hours prior to session 1 they will be asked to reschedule for a later date.
  • Have played a real stringed instrument in the last 12 months (e.g. guitar, bass, violin)
  • Have played the videogame "Guitar Hero" on a traditional guitar controller in the last 12 months.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Institute for Fitness and Sport

Indianapolis, Indiana, 46202, United States

RECRUITING

MeSH Terms

Conditions

Motor Activity

Interventions

Transcranial Direct Current Stimulation

Condition Hierarchy (Ancestors)

Behavior

Intervention Hierarchy (Ancestors)

Electric Stimulation TherapyTherapeuticsConvulsive TherapyPsychiatric Somatic TherapiesBehavioral Disciplines and ActivitiesElectroshockPsychological Techniques

Study Officials

  • Zachary Riley

    Indiana University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Zachary Riley, PhD

CONTACT

Eme Duchow

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
The subjects should not know which group they are in with the SHAM protocol
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: experimental and control groups
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

August 18, 2025

First Posted

October 2, 2025

Study Start

March 3, 2025

Primary Completion (Estimated)

March 3, 2027

Study Completion (Estimated)

March 3, 2027

Last Updated

March 30, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will not share

Locations