Analysis of Hippocampal Memory Replay Using Neural Population Decoding

Neuronal Network Analysis pp 259-282, 2011

Large-scale recording of neural activity in waking animals provides us with a window on computations performed in the brain during behavior. In order to better understand these computations, population decoding techniques are used to study what information about the external environment is represented by neural ensemble activity. Decoding approaches are especially appealing when neural activity does not reflect the actual sensory experience or motor output, but is generated by internal cognitive processes, such as planning, memory, and decision making. This chapter describes the background of Bayesian decoding and outlines the general procedures for decoding ensemble activity during cognitive processes. The power of this method is demonstrated by applying it to recordings of hippocampal place cell activity in order to identify and characterize hippocampal memory replay.

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