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Sleep, dreams, and memory consolidation: the role of the stress hormone cortisol

... in these phenomena, we focus on the hormone cortisol, which is known to exert influence on many of the brain systems involved in memory. The concentration of cortisol escalates over the course of the night's sleep, in ways that we propose can h...

Eidetic Hallucination

... In deep sleep and REM the stress chemical cortisol decreases communication between the hippocampus and neocortex,9 and the process of REM and dreaming is stimulated by acetylcholine (Fig. 4).10 Acetylcholine (ACh) is the primary messenger of ...

Acute psychological and physiological effects of psilocybin in healthy humans: a double-blind, placebo-controlled dose-effect study

... hormone (TSH), prolactin (PRL), cortisol (CORT), adrenocorticotropic hormone (ACTH), and standard clinical chemical parameters were determined. Results PY dose dependently increased scores of all 5D-ASC core dimensions. Only one...

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