Pezaris, JS and Sahani, M and Andersen, RA (2000) Spike train coherence in macaque parietal cortex during a memory saccade task. In: NEUROCOMPUTING. (pp. 953 - 960). ELSEVIER SCIENCE BV
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The dynamics of cell-to-cell interactions as measured by the coherence between spike trains can help elucidate local circuitry and phases of operation for networks of neurons. We compute the coherence between pairs of spike trains collected from macaque area LIP during a memory saccade task. Significant coherence is found for frequencies below 50 Hz, and time lags less than +/- 10 ms. The mean coherence, as examined in both the time and frequency domains for a sliding window, undergoes changes which correspond to behavioral events, but are not necessarily linked to the mean firing rates of the recorded cells. Our results suggest that the maintenance of memory activity is done through a different mechanism than sensory response and saccade generation. (C) 2000 Elsevier Science B.V. All rights reserved.
|Title:||Spike train coherence in macaque parietal cortex during a memory saccade task|
|Event:||8th Annual Computational Neurosciences Meeting (CNS 99)|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Life Sciences > Gatsby Computational Neuroscience Unit|
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