Zapping the brain to boost focus: new study tests a 20-Minute attention hack

NCT ID NCT07625566

Completed Knowledge-focused Sponsor: Medipol University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed trial tested whether a gentle electrical current applied to the scalp (tDCS) over the left parietal cortex can improve visual attention and change brain wave patterns in healthy young adults. Thirty-two participants received either real or fake (sham) stimulation for 20 minutes. Researchers measured attention with a paper-and-pencil cancellation test and recorded brain activity with EEG before and after. The goal was to see if this noninvasive technique could temporarily enhance focus and to explore how brain changes relate to performance.

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) device
What this could lead to: If it works, this could point toward a noninvasive way to temporarily boost attention in healthy people.
What could go wrong: This is a small, early-stage study in healthy volunteers, not patients. The effects may be weak or not repeatable in real-world settings.

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

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As listed by the trial registrant

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

EEG POSTERIOR PARIETAL CORTEX TDCS VISUAL ATTENTION

Contacts and locations

Locations

Istanbul Medipol University

Beykoz, İ̇stanbul, 34820, Turkey (Türkiye)

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