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  Correlations strike back (again): the case of associative memory retrieval

Savin, C., Dayan, P., & Lengyel, M. (2014). Correlations strike back (again): the case of associative memory retrieval. In C. Burges, L. Bottou, Z. Ghahramani, & K. Weinberger (Eds.), Advances in Neural Information Processing Systems 26 (NIPS 2013) (pp. 288-296). Red Hook, NY, USA: Curran.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0004-BFAD-3 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0004-BFAF-1
Genre: Konferenzbeitrag

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externe Referenz:
http://papers.nips.cc/paper/4871-correlations-strike-back-again-the-case-of-associative-memory-retrieval (Verlagsversion)
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Urheber

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 Urheber:
Savin, C, Autor
Dayan, P1, Autor           
Lengyel, M, Autor
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: -
 Zusammenfassung: It has long been recognised that statistical dependencies in neuronal activity need to be taken into account when decoding stimuli encoded in a neural population. Less studied, though equally pernicious, is the need to take account of dependencies between synaptic weights when decoding patterns previously encoded in an auto-associative memory. We show that activity-dependent learning generically produces such correlations, and failing to take them into account in the dynamics of memory retrieval leads to catastrophically poor recall. We derive optimal network dynamics for recall in the face of synaptic correlations caused by a range of synaptic plasticity rules. These dynamics involve well-studied circuit motifs, such as forms of feedback inhibition and experimentally observed dendritic nonlinearities. We therefore show how addressing the problem of synaptic correlations leads to a novel functional account of key biophysical features of the neural substrate.

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 Datum: 2014
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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Veranstaltung

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Titel: Twenty-Seventh Annual Conference on Neural Information Processing Systems (NIPS 2013)
Veranstaltungsort: Lake Tahoe, NV, USA
Start-/Enddatum: 2013-12-05 - 2013-12-10

Entscheidung

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Projektinformation

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Quelle 1

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Titel: Advances in Neural Information Processing Systems 26 (NIPS 2013)
Genre der Quelle: Konferenzband
 Urheber:
Burges, CJC, Herausgeber
Bottou, L, Herausgeber
Ghahramani, Z, Herausgeber
Weinberger, KQ, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Red Hook, NY, USA : Curran
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 288 - 296 Identifikator: ISBN: 978-1-63266-024-4