Theta and beta synchrony coordinate frontal eye fields and anterior cingulate cortex during sensorimotor mapping

Sahand Babapoor-Farrokhran (), Martin Vinck, Thilo Womelsdorf and Stefan Everling
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Sahand Babapoor-Farrokhran: Neuroscience Graduate Program, University of Western Ontario
Martin Vinck: School of Medicine, Yale University
Thilo Womelsdorf: Centre for Vision Research, York University
Stefan Everling: Neuroscience Graduate Program, University of Western Ontario

Nature Communications, 2017, vol. 8, issue 1, 1-14

Abstract: Abstract The frontal eye fields (FEFs) and the anterior cingulate cortex (ACC) are commonly coactivated for cognitive saccade tasks, but whether this joined activation indexes coordinated activity underlying successful guidance of sensorimotor mapping is unknown. Here we test whether ACC and FEF circuits coordinate through phase synchronization of local field potential and neural spiking activity in macaque monkeys performing memory-guided and pro- and anti-saccades. We find that FEF and ACC showed prominent synchronization at a 3–9 Hz theta and a 12–30 Hz beta frequency band during the delay and preparation periods with a strong Granger-causal influence from ACC to FEF. The strength of theta- and beta-band coherence between ACC and FEF but not variations in power predict correct task performance. Taken together, the results support a role of ACC in cognitive control of frontoparietal networks and suggest that narrow-band theta and to some extent beta rhythmic activity indexes the coordination of relevant information during periods of enhanced control demands.

Date: 2017
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DOI: 10.1038/ncomms13967

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