Maturation of silent synapses in amygdala-accumbens projection contributes to incubation of cocaine craving
2013
In rats self-administering cocaine, drug seeking behavior induced by a cocaine-paired cue increases progressively during cocaine withdrawal. The authors detected silent synapses in basolateral amygdala–to–nucleus accumbens projections during early withdrawal, but these synapses progressively disappeared during protracted withdrawal. Optogenetic 're-silencing' of these synapses decreased cue-induced cocaine seeking following withdrawal.
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