Consolidating the relationship between the two

Posted by / 17-Sep-2016 18:53

Consolidating the relationship between the two

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.There is currently no convincing explanation for why we dream or what we dream about.Acquisition refers to the introduction of new information into the brain.

We suggest that dreams reflect a biological process of long-term memory consolidation, serving to strengthen the neural traces of recent events, to integrate these new traces with older memories and previously stored knowledge, and to maintain the stability of existing memory representations in the face of subsequent experience (Winson 1985, 2002, 2004; Kali and Dayan 2004).Second, sleep itself has a role in the consolidation of memory, which is essential for learning new information.Although the exact mechanisms are not known, learning and memory are often described in terms of three functions.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.

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