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Can believing in brain stimulation make it work better?

NCT ID NCT06039605

Knowledge-focused Sponsor: Arizona State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 31, 2026 · Last updated Jul 31, 2026

Summary

This study explores whether telling people that a brain stimulation technique called tDCS will help them learn a motor task can actually boost its effectiveness. Healthy right-handed adults will receive tDCS while practicing a bean-spooning task over several days, with some participants primed to expect greater benefits. The goal is to see if expectations can enhance the brain stimulation's impact on motor learning, measured by performance one week later.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Transcranial Direct Current Stimulation (tDCS), a non-invasive brain stimulation technique using weak electrical currents via scalp electrodes
What this could lead to
If expectations amplify tDCS effects, it could lead to more effective brain stimulation protocols for motor rehabilitation and skill acquisition.
What could go wrong
The trial is early-stage and focuses on healthy adults, so results may not apply to clinical populations. The effect of expectations may be small or inconsistent.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

140 people

The number who actually took part.

Started

Oct 2023

Finished

Apr 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Must be 18 or older. Right-hand dominant * Right-hand dominant Exclusion Criteria: * Mixed-handed or ambidextrous * Left-hand dominant * Seizure(s) * Head injury resulting in a loss of consciousness that has required further investigation (including neurosurgery) * Migraines * Current medical diagnosis of a phycological or neurological condition * Any metal in head (outside of mouth) such as shrapnel or surgical clips * Any implanted devices (e.g. cardiac pacemaker, brain stimulator) * Skin condition on scalp (e.g. psoriasis) * Head wound that has not completely healed * Adverse reactions to tDCS or any other brain stimulation technique (e.g. TMS, tRNS) * Pregnant * Currently taking prescription medications or are self-medicating (including recreational drug use), other than the contraceptive pill?

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Expectations Motor learning

Contacts and locations

Locations

  • Arizona State University

    Tempe, Arizona, 85281, United States

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