Rhythmic fluctuations of saccadic reaction time arising from visual competition

Chota, Samson; Luo, Canhuang; Crouzet, Sébastien M.; Boyer, Léa; Kienitz, Ricardo; Schmid, Michael Christoph; VanRullen, Rufin

doi:10.1038/s41598-018-34252-7

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Rhythmic fluctuations of saccadic reaction time arising from visual competition

MPG-Autoren

Kienitz, Ricardo
Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society;

Schmid, Michael Christoph
Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society;

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https://www.nature.com/articles/s41598-018-34252-7
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Zitation

Chota, S., Luo, C., Crouzet, S. M., Boyer, L., Kienitz, R., Schmid, M. C., et al. (2018). Rhythmic fluctuations of saccadic reaction time arising from visual competition. Scientific Reports, 9(15889): 15889. doi:10.1038/s41598-018-34252-7.

Zitierlink: https://hdl.handle.net/21.11116/0000-0002-CBDF-F

Zusammenfassung

Recent research indicates that attentional stimulus selection could be a rhythmic process. In monkey, neurons in V4 and IT exhibit rhythmic spiking activity in the theta range in response to a stimulus. When two stimuli are presented together, the rhythmic neuronal responses to each occur in anti-phase, a result indicative of competitive interactions. In addition, it was recently demonstrated that these alternating oscillations in monkey V4 modulate the speed of saccadic responses to a target flashed on one of the two competing stimuli. Here, we replicate a similar behavioral task in humans (7 participants, each performed 4000 trials) and report a pattern of results consistent with the monkey findings: saccadic response times fluctuate in the theta range (6 Hz), with opposite phase for targets flashed on distinct competing stimuli.