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Publikováno v:
Neurobiology of Learning and Memory. 144:186-197
The midbrain periaqueductal gray (PAG) has been implicated in the generation and transmission of a prediction error signal that instructs amygdala-based fear and extinction learning. However, the PAG also plays a key role in the expression of conditi
Autor:
Gavan P. McNally, Carolyn Arico
Publikováno v:
Behavioral Neuroscience. 128:199-206
Endogenous opioids play an important role in prediction error during fear learning. However, the evidence for this role has been obtained almost exclusively using the species-specific defense response of freezing as the measure of learned fear. It is