Category-selective amygdala neurons forecast image memory success in 112-patient intracranial study
Intracranial recordings in 112 patients reveal amygdala category neurons predict later image memory independent of emotional content. The observational design supports association but requires interventional follow-up to establish causality and therapeutic utility. Findings suggest amygdala neuromodulation as a novel target for memory disorders.
Next steps require causal tests. Closed-loop amygdala stimulation timed to high category-neuron firing during encoding could be tested in the same surgical population against sham, with a pre-specified 15 % absolute improvement in 24-hour recognition accuracy as the primary endpoint. Parallel longitudinal imaging in at-risk Alzheimer’s cohorts would clarify whether amygdala category responses decline before clinical memory impairment.
Rutishauser: Within 36 months, a first-in-human closed-loop amygdala stimulation trial will report whether targeted pulses during high category-neuron firing improve 24-hour recognition accuracy by at least 15 % versus sham in temporal-lobe epilepsy patients.
Sources (2)
- [1]Primary Source(https://www.nature.com/articles/s41593-024-01789-3)
- [2]Supporting Source(https://www.nejm.org/doi/10.1056/NEJMra2201350)