The Opioid Receptor Antagonist Naloxone Enhances First-Order Fear Conditioning, Second-Order Fear Conditioning and Sensory Preconditioning in Rats

The opioid receptor antagonist naloxone enhances Pavlovian fear conditioning when rats are exposed to pairings of an initially neutral stimulus, such as a tone, and a painful foot shock unconditioned stimulus (US; so-called first-order fear conditioning; Pavlov, 1927). The present series of experime...

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Autori principali:	Robine M. L. Michalscheck, Dana M. Leidl, R. Frederick Westbrook, Nathan M. Holmes
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Frontiers Media S.A. 2021-12-01
Serie:	Frontiers in Behavioral Neuroscience
Soggetti:	naloxone pavlovian fear conditioning second-order fear conditioning sensory preconditioning mediated conditioning prediction error
Accesso online:	https://www.frontiersin.org/articles/10.3389/fnbeh.2021.771767/full
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