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

Jessica D. Payne | Zendy; Lynn Nadel | Zendy

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

Author(s) -

Jessica D. Payne,

Lynn Nadel

Publication year - 2004

Publication title -

learning and memory

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.228

H-Index - 136

eISSN - 1549-5485

pISSN - 1072-0502

DOI - 10.1101/lm.77104

Subject(s) - memory consolidation , sleep (system call) , psychology , stress hormone , effects of stress on memory , consolidation (business) , cognitive psychology , memory formation , cognition , hormone , developmental psychology , neuroscience , medicine , endocrinology , computer science , hippocampus , business , operating system , accounting

We discuss the relationship between sleep, dreams, and memory, proposing that the content of dreams reflects aspects of memory consolidation taking place during the different stages of sleep. Although we acknowledge the likely involvement of various neuromodulators 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 help explain the changing nature of dreams across the sleep cycle.

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