Entrainment of Voluntary Movement to Undetected Auditory Regularities

Aaron Schurger, Nathan Faivre (), Leila Cammoun, Bianca Trovó () and Olaf Blanke
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Aaron Schurger: UNICOG-U992 - Neuroimagerie cognitive - Psychologie cognitive expérimentale - NEUROSPIN - Service NEUROSPIN - Université Paris-Saclay - JOLIOT - Institut des Sciences du Vivant Frédéric JOLIOT - CEA - Commissariat à l'énergie atomique et aux énergies alternatives - INSERM - Institut National de la Santé et de la Recherche Médicale - Université Paris-Saclay, LNCO - Laboratory of Cognitive Neuroscience - EPFL - Ecole Polytechnique Fédérale de Lausanne, CNP - Center for Neuroprosthetics [Geneva] - EPFL - Ecole Polytechnique Fédérale de Lausanne
Nathan Faivre: CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, LNCO - Laboratory of Cognitive Neuroscience - EPFL - Ecole Polytechnique Fédérale de Lausanne, CNP - Center for Neuroprosthetics [Geneva] - EPFL - Ecole Polytechnique Fédérale de Lausanne
Leila Cammoun: LNCO - Laboratory of Cognitive Neuroscience - EPFL - Ecole Polytechnique Fédérale de Lausanne, CNP - Center for Neuroprosthetics [Geneva] - EPFL - Ecole Polytechnique Fédérale de Lausanne
Bianca Trovó: UNICOG-U992 - Neuroimagerie cognitive - Psychologie cognitive expérimentale - NEUROSPIN - Service NEUROSPIN - Université Paris-Saclay - JOLIOT - Institut des Sciences du Vivant Frédéric JOLIOT - CEA - Commissariat à l'énergie atomique et aux énergies alternatives - INSERM - Institut National de la Santé et de la Recherche Médicale - Université Paris-Saclay
Olaf Blanke: LNCO - Laboratory of Cognitive Neuroscience - EPFL - Ecole Polytechnique Fédérale de Lausanne, CNP - Center for Neuroprosthetics [Geneva] - EPFL - Ecole Polytechnique Fédérale de Lausanne

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Abstract: In physics "entrainment" refers to the synchronization of two coupled oscillators with similar fundamental frequencies. In behavioral science, entrainment refers to the tendency of humans to synchronize their movements with rhythmic stimuli. Here, we asked whether human subjects performing a tapping task would entrain their tapping to an undetected auditory rhythm surreptitiously introduced in the guise of ambient background noise in the room. Subjects performed two different tasks, one in which they tapped their finger at a steady rate of their own choosing and one in which they performed a single abrupt finger tap on each trial after a delay of their own choosing. In both cases we found that subjects tended to tap in phase with the inducing modulation, with some variability in the preferred phase across subjects, consistent with prior research. In the repetitive tapping task, if the frequency of the inducing stimulus was far from the subject's own self-paced frequency, then entrainment was abolished, consistent with the properties of entrainment in physics. Thus, undetected ambient noise can influence self-generated movements. This suggests that uncued decisions to act are never completely endogenous, but are subject to subtle unnoticed influences from the sensory environment.

Date: 2017-12
Note: View the original document on HAL open archive server: https://hal.science/hal-01668133
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Published in Scientific Reports, 2017, 7 (1), pp.e14867. ⟨10.1038/s41598-017-15126-w⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01668133

DOI: 10.1038/s41598-017-15126-w

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