When Silence
Scientific Knowledge

40 Hz Cortical PVN Stimulation

Patterned gamma-frequency (40 Hz) stimulation of parvalbumin-expressing cortical interneurons

Evidence level

Preclinical: animal (in vivo) evidence, not yet studied in humans

How it works

A single bout of 40 Hz stimulation of cortical PV interneurons durably reduces auditory cortex gain and reverses loudness hypersensitivity in mice. Not yet in human clinical development.

This describes the treatment concept as reported in the cited research: a scientific mechanism, not a guarantee of clinical availability.

Looking for development status?Clinical stage, comparable drugs/devices, and estimated availability are tracked in the Therapy Pipeline.
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Evidence (1)

Cortical PV interneurons regulate loudness perception and sustainably reverse loudness hypersensitivity.

Neuron · 2026

40 Hz stimulation of cortical PV interneurons durably reverses loudness hypersensitivity in mice.

Animal study (in vivo)
Mouse