Brain wave test could reveal hidden consciousness in coma patients

NCT ID NCT07506928

First seen Apr 10, 2026

Summary

This study aims to develop a new way to detect if a comatose patient has hidden awareness, called cognitive-motor dissociation. Researchers will use painless wrist stimulation and EEG brain wave recordings to look for signs of motor intention. The study will include 50 adults in the ICU with severe brain injury who are in a coma. If successful, this technique could help doctors better understand a patient's level of consciousness and improve prognosis.

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Contacts and locations

Study contacts

  • Contact

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

  • Contact

    Email: •••••@•••••

Locations

  • Bordeaux university hospital

    Bordeaux, New Aquitaine, 33000, France

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

    Contact

What this could mean

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

What this could lead to

If successful, this could provide a new way to detect awareness in patients who appear unresponsive, helping doctors give more accurate prognoses.

What could go wrong

This is a small, early-stage study (50 participants) focused on developing a diagnostic method, not a treatment. The technique may not reliably detect awareness in all patients.

Conditions

The condition(s) this trial relates to.

cerebrovascular disorder Coma

As listed by the trial registrant

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