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The amygdalo-nigrostriatal (ANS) network plays an essential role in enhanced attention to significant events. Interval timing requires attention to temporal cues. We assessed rats having a disconnected ANS network, due to contralateral lesions of the medial central nucleus of the amygdala (CEm) and dopaminergic afferents to the lateral striatum, as compared to controls (sham and ipsilateral lesions of CEm and dopaminergic afferents to LS) in a temporal bisection task. ANS disconnection induced poorer temporal precision and increased response latencies to a short duration. The present results reveal a role of the ANS network in temporal processing. © 2016 Es-seddiqi et al.; Published by Cold Spring Harbor Laboratory Press.


Mouna Es-seddiqi, Nicole El Massioui, Nathalie Samson, Bruce L Brown, Valérie Doyère. The amygdalo-nigrostriatal network is critical for an optimal temporal performance. Learning & memory (Cold Spring Harbor, N.Y.). 2016 Mar;23(3):104-7

PMID: 26884227

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