Long-term effect of cued fear conditioning on REM sleep microarchitecture in rats.

Abstract

STUDY OBJECTIVES To study long-term effects of conditioned fear on REM sleep (REMS) parameters in albino rats. DESIGN We have investigated disturbances in sleep architecture, including muscle twitch density as REMS phasic activity, and freezing behavior in wakefulness, upon reexposure to a conditioned stimulus (CS) on Day 1 and Day 14 postconditioning… (More)

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