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Selective neuromodulation and mutual inhibition within the CA3–CA2 system can prioritize sequences for replay

Stöber, T M (author)
Lehr, A B (author)
Hafting, T (author)
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Kumar, Arvind (author)
KTH,Beräkningsvetenskap och beräkningsteknik (CST)
Fyhn, M (author)
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 (creator_code:org_t)
2020-09
2020
English.
In: Hippocampus. - : Wiley. - 1050-9631 .- 1098-1063. ; 30:11, s. 1228-1238
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • To make optimal use of previous experiences, important neural activity sequences must be prioritized during hippocampal replay. Integrating insights about the interplay between CA3 and CA2, we propose a conceptual framework that allows the two regions to control which sequences are reactivated. We suggest that neuromodulatory-gated plasticity and mutual inhibition enable discrete assembly sequences in both regions to support each other while suppressing competing sequences. This perspective provides a coherent interpretation for a variety of seemingly disconnected functional properties of CA2 and paves the way for a more general understanding of CA2.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Neurosciences (hsv//eng)

Keyword

CA2
CA3
conceptual framework
consolidation
controlled study
hippocampal CA2 region
hippocampal CA3 region
hippocampus
human
neuromodulation
note
sequence prioritization

Publication and Content Type

ref (subject category)
art (subject category)

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By the author/editor
Stöber, T M
Lehr, A B
Hafting, T
Kumar, Arvind
Fyhn, M
About the subject
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Basic Medicine
and Neurosciences
Articles in the publication
Hippocampus
By the university
Royal Institute of Technology

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