Replay of stimulus-specific temporal patterns during associative memory formation

Michelmann, S., Bowman, H. and Hanslmayr, S. (2018) Replay of stimulus-specific temporal patterns during associative memory formation. Journal of Cognitive Neuroscience, 30(11), pp. 1577-1589. (doi: 10.1162/jocn_a_01304) (PMID:30004850)

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Forming a memory often entails the association of recent experience with present events. This recent experience is usually an information-rich and dynamic representation of the world around us. We here show that associating a static cue with a previously shown dynamic stimulus yields a detectable, dynamic representation of this stimulus. We further implicate this representation in the decrease of low-frequency power (∼4–30 Hz) in the ongoing EEG, which is a well-known correlate of successful memory formation. The reappearance of content-specific patterns in desynchronizing brain oscillations was observed in two sensory domains, that is, in a visual condition and in an auditory condition. Together with previous results, these data suggest a mechanism that generalizes across domains and processes, in which the decrease in oscillatory power allows for the dynamic representation of information in ongoing brain oscillations.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Hanslmayr, Professor Simon
Authors: Michelmann, S., Bowman, H., and Hanslmayr, S.
College/School:College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience
Journal Name:Journal of Cognitive Neuroscience
Publisher:MIT Press
ISSN (Online):1530-8898
Published Online:28 September 2018

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