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Sleep and Chronobiology in Plasticity and Memory

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197460 Year: Pages: 120 DOI: 10.3389/978-2-88919-746-0 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General)
Added to DOAB on : 2016-04-07 11:22:02
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Abstract

Chronobiological mechanisms regulating time-of-day mediated behaviors, such as sleep and circadian rhythms, are thought to interact with and/or share cellular and molecular signaling cascades that shape synaptic plasticity and neural excitability. These same factors are also known to underlie events that govern higher-order cognitive processing, including learning and memory formation, and often through phylogenetically conserved pathways. This suggests that factors which contribute to adaptive responses to changing environmental stimuli are likely derived from basic evolutionarily ancient processes, and underscores the importance of using both invertebrate and vertebrate models to study the interaction of chronobiology and cognitive processing. This issue highlights current views along with original research on sleep and circadian features of plasticity and memory in multiple species, models, and systems.

Keywords

Sleep --- circadian rhythms --- Memory --- plasticity --- Learning --- synapse

Neuroendocrine mechanisms that connect feeding behavior and stress

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889195077 Year: Pages: 189 DOI: 10.3389/978-2-88919-507-7 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General)
Added to DOAB on : 2015-12-03 13:02:24
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Research during the past decade highlights the strong link between appetitive feeding behavior, reward and motivation. Interestingly, stress levels can affect feeding behavior by manipulating hypothalamic circuits and brain dopaminergic reward pathways. Indeed, animals and people will increase or decrease their feeding responses when stressed. In many cases acute stress leads to a decrease in food intake, yet chronic social stressors are associated to increases in caloric intake and adiposity. Interestingly, mood disorders and the treatments used to manage these disorders are also associated with changes in appetite and body weight. These data suggest a strong interaction between the systems that regulate feeding and metabolism and those that regulate mood. This Research Topic aims to illustrate how hormonal mechanisms regulate the nexus between feeding behavior and stress. It focuses on the hormonal regulation of hypothalamic circuits and/or brain dopaminergic systems, as the potential sites controlling the converging pathways between feeding behavior and stress.

Trends in Neuroendocrinology

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889450725 Year: Pages: 138 DOI: 10.3389/978-2-88945-072-5 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General) --- Internal medicine --- Medicine (General)
Added to DOAB on : 2017-07-06 13:27:36
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Neuroendocrinology is the discipline that investigates the interplay between the nervous and endocrine systems i.e. the control of endocrine glands by the central and peripheral nervous systems, the action of hormones on nerve cells and the production of hormones by the nervous system. The present Research Topic is a compilation of contributions stemming from the 8th International Congress of Neuroendocrinology (ICN2014) held in Sydney, Australia, that illustrates various facets of current neuroendocrine research.

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