How do VTAVgat-Sst cells maintain enhanced activity for hours after transient stress exposure?

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Description

The abstract shows these cells remain active for hours after brief stress, enabling persistent sleep effects, but the molecular mechanisms sustaining this prolonged activation are unexplained. Understanding this could reveal targets for therapeutic sleep induction in stress disorders.

Gap type: unexplained_observation Source paper: A specific circuit in the midbrain detects stress and induces restorative sleep. (2022, Science (New York, N.Y.), PMID:35771921)

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