Thalamic pathways underlying prefrontal cortex-medial temporal lobe oscillatory interactions

Nicholas A. Ketz, Ole Jensen, Randall C. O'Reilly

Research output: Contribution to journalReview articlepeer-review

57 Citations (Scopus)

Abstract

As focus shifts to large-scale network interactions involved in memory, it is becoming increasingly clear that oscillatory dynamics are critically involved. A number of studies have shown a negative correlation between memory retrieval in alpha and beta power, and a positive correlation between retrieval and theta power. In this opinion article, we suggest three thalamic sub-regions responsible for the coordination of oscillatory activity and the facilitation of memory processes. Specifically, the medial dorsal nucleus is related to changes in beta synchrony, the pulvinar is responsible for alpha synchrony, and the anterior thalamus is related to theta synchrony. These pathways may be modulated via frontal control, and changes in oscillations could be used to track the engagement of underlying memory systems.

Original languageEnglish
Pages (from-to)3-12
Number of pages10
JournalTrends in Neurosciences
Volume38
Issue number1
Early online date22 Oct 2014
DOIs
Publication statusPublished - 1 Jan 2015

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