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Mind reading? scientists decode imagined chinese speech from brain activity

NCT ID NCT07460037

Recruiting now Knowledge-focused Sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang University Source: ClinicalTrials.gov ↗

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

Summary

This study investigates whether brain surface recordings can decode Mandarin Chinese speech, including tones, from imagined speech. About 50 participants with brain tumors or epilepsy will have temporary electrodes placed during surgery, and 10 people with severe speech loss will get permanent implants. The goal is to develop a silent communication system for those who cannot speak.

What this could mean

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

Active substance
High-density electrocorticography (ECoG) recording
What this could lead to
If successful, this could pave the way for a brain-computer interface that allows people with severe speech impairments to communicate silently by imagining speech.
What could go wrong
This is an early-stage, small study focused on understanding brain signals, not a treatment. The decoding technology is still experimental and may not work reliably outside the lab.

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Conditions

The condition(s) this trial relates to.

amyotrophic lateral sclerosis aphasia brain cancer brain neoplasm Dysarthria epilepsy glioma language disorder locked-in syndrome Speech speech disorder stroke disorder

As listed by the trial registrant

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

ALS APHASIA BRAIN TUMOR ADULT DYSARTHRIA EPILEPSIES LOCKED IN SYNDROME SPEECH AND LANGUAGE DISORDER STROKE

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • The Second Affiliated Hospital, Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, Zhejiang, 310009, China

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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