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Brain, Perception, MemoryAdvances in Cognitive Neuroscience$
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Johan J. Bolhuis

Print publication date: 2000

Print ISBN-13: 9780198524823

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198524823.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 29 October 2020

Brain systems and the regulation of memory consolidation

Brain systems and the regulation of memory consolidation

(p.233) 13 Brain systems and the regulation of memory consolidation
Brain, Perception, Memory

James L. McGaugh

Larry Cahill

Barbara Ferry

Benno Roozendaal

Oxford University Press

This chapter is a review of the brain mechanisms underlying the modulation of memory consolidation. The chapter provides convincing evidence that noradrenergic systems in the basolateral amygdala (BLA) influence memory by modulating memory storage elsewhere in the brain. The release of norepinephrine (noradrenaline) within the BLA is regulated by stress hormones from the adrenal cortex (glucocorticoids) and medulla (epinephrine or adrenaline). This chapter suggests that particularly emotionally arousing stimulation is processed by the amygdala. More specifically, the amygdala appears to be part of a system that serves to regulate the strength of explicit/ declarative memories in relation to their emotional significance. This chapter suggests a basic hypothesis that emotionally arousing stimulation activates the amygdala, and that amygdala activity regulates the consolidation of long-term explicit memory of events by modulating neuroplasticity in other brain region.

Keywords:   memory consolidation, noradrenergic systems, basolateral amygdala, norepinephrine, adrenal cortex

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