Futurity · Health

Ketamine's Evolving Brain Effects in Older Adults with Depression Studied

Researchers are investigating how ketamine reshapes brain activity over time in older adults with treatment-resistant depression, aiming to identify biomarkers for treatment response.

A study in Translational Psychiatry examined brain activity patterns after ketamine in veterans over 55 with treatment-resistant depression. This research aims to understand differing patient responses to ketamine.

Ketamine is thought to enhance brain flexibility by facilitating communication. Response may link to brain malleability rather than initial reaction.

The study analyzed how information organization changes in the brain hours and days after ketamine infusion, capturing complex brain communication.

Using high-order interactions, researchers found ketamine did not create a stable pattern. Information organization shifted significantly over time.

Increased brain-wide information sharing at 24 hours correlated with improved depressive symptoms by Day 7.

The research identified potential biomarkers in brain-signal changes for ketamine's effects in older demographics.

This addresses a research gap, as most drug studies exclude older adults. The goal is to find therapeutic intervention points without ketamine's side effects.

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