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Nature Neuroscience (2)
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Showing 1–3 of 3 results

Advanced filters: Author: Marios Abatis Clear advanced filters

Fear learning induces synaptic potentiation between engram neurons in the rat lateral amygdala

A sparsely connected network, organized in clusters, identified in the rat lateral amygdala shows potentiation between recruited neurons after fear conditioning. This implies a mechanism for encoding multiple memories with a small number of neurons.

Marios Abatis
Rodrigo Perin
Ron Stoop
ResearchOpen Access13 Jun 2024
Nature Neuroscience

Volume: 27, P: 1309-1317
Social buffering in rats reduces fear by oxytocin triggering sustained changes in central amygdala neuronal activity

After rats were trained to fear a sound, they showed less fear when another rat was nearby and this calming effect lasted when the other rat was removed. Both reductions required oxytocin signaling from the hypothalamus to the central amygdala.

Chloe Hegoburu
Yan Tang
Ron Stoop
ResearchOpen Access07 Mar 2024
Nature Communications

Volume: 15, P: 1-15
Astrocytes mediate the effect of oxytocin in the central amygdala on neuronal activity and affective states in rodents

This study shows that a subpopulation of astrocytes in the central amygdala (CeA) expresses the oxytocin receptor (OTR) and that OTR activation in astrocytes underlies the anxiolytic and positive reinforcement effects of oxytocin in the CeA.

Jérôme Wahis
Angel Baudon
Alexandre Charlet
Research15 Feb 2021
Nature Neuroscience

Volume: 24, P: 529-541