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The role of gamma oscillations in the modulation of memory consolidation by emotions
Descriptive
TitleInfo
Title
The role of gamma oscillations in the modulation of memory consolidation by emotions
Name
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Kanta Chantzi
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Vasiliki
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1990-
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Vasiliki Kanta Chantzi
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author
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Denis
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Denis Pare
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Advisory Committee
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chair
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Polack
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Pierre-Olivier
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Pierre-Olivier Polack
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Advisory Committee
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internal member
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Koos
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Tibor Koos
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Advisory Committee
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(authority = RULIB)
internal member
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(type = family)
Mena-Segovia
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Juan
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Juan Mena-Segovia
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Advisory Committee
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internal member
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LaLumiere
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Ryan
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Ryan LaLumiere
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Advisory Committee
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outside member
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Rutgers University
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degree grantor
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Graduate School - Newark
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school
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Text
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theses
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ETD doctoral
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2019
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2019-10
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2019
Language
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English
Abstract
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Our everyday experiences, even for mundane events, can form long-lasting memories. While newly formed memories are labile at first, with time they may become permanent and resistant to forgetting. This process is called memory consolidation. For declarative memories, consolidation is thought to involve interactions between the neocortex and hippocampus during offline states such as sleep. Besides strengthening with time, memory consolidation is also influenced by emotional arousal. The facilitating effect of emotions on consolidation is mediated by the basolateral amygdala (BLA) and its strong projections to both the hippocampus and neocortex. In contrast to the extensive investigations of the electrophysiological mechanisms supporting systems consolidation between the hippocampus and neocortex, there has not been a comparable advancement in our understanding of the BLA’s role. However, what is known is that the BLA generates robust gamma oscillations during emotional arousal, which can facilitate interregional interactions. In order to provide a unified understanding of memory consolidation, I examined how the consolidation of emotional experiences affects the interactions between the BLA, hippocampus and medial prefrontal cortex (mPFC), a neocortical area linked to consolidation. In particular, I studied how gamma-related activity is affected after emotional learning. I then directly tested whether gamma oscillations in the BLA support consolidation, by using real-time optogenetic manipulation of these oscillations in the post-training consolidation period. My results show that gamma oscillations mediate the emotional facilitation of memory consolidation.
Subject
(authority = RUETD)
Topic
Neuroscience
Subject
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Topic
Memory consolidation
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Rutgers University Electronic Theses and Dissertations
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ETD
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Title
Graduate School - Newark Electronic Theses and Dissertations
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rucore10002600001
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ETD_10145
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doi:10.7282/t3-8yrd-n563
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application/pdf
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text/xml
Extent
1 online resource (xiv, 107 pages) : illustrations
Note
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Ph.D.
Note
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Includes bibliographical references
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
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Kanta Chantzi
GivenName
Vasiliki
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Copyright Holder
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Permission or license
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2019-07-31 09:14:39
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Name
Vasiliki Kanta Chantzi
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Copyright holder
Affiliation
Rutgers University. Graduate School - Newark
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Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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Embargo
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2019-10-31
DateTime
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2020-05-01
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after May 1st, 2020.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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windows xp
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2019-08-08T13:43:53
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2019-08-08T13:43:53
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