Contribution of Cerebellar Loops to Action Timing.
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Recent studies of sensorimotor processing have benefited from decision-making paradigms that emphasize the selection of appropriate movements. Selecting when to make those responses, or action timing, is important as well. Although the cerebellum is commonly viewed as a controller of movement dynamics, its role in action timing is also firmly supported. Several lines of research have now extended this idea. Anatomical findings have revealed connections between the cerebellum and broader timing circuits, neurophysiological results have suggested mechanisms for timing within its microcircuitry, and theoretical work has indicated how temporal signals are processed through it and decoded by its targets. These developments are inspiring renewed studies of the role of the cerebellar loops in action timing.
Published Version (Please cite this version)10.1016/j.cobeha.2016.01.008
Publication InfoRaghavan, Ramanujan T; Prevosto, Vincent; & Sommer, Marc A (2016). Contribution of Cerebellar Loops to Action Timing. Curr Opin Behav Sci, 8. pp. 28-34. 10.1016/j.cobeha.2016.01.008. Retrieved from https://hdl.handle.net/10161/11709.
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W. H. Gardner, Jr. Associate Professor
We study circuits for cognition. Using a combination of neurophysiology and biomedical engineering, we focus on the interaction between brain areas during visual perception, decision-making, and motor planning. Specific projects include the role of frontal cortex in metacognition, the role of cerebellar-frontal circuits in action timing, the neural basis of "good enough" decision-making (satisficing), and the neural mechanisms of transcranial magnetic stimulation (TMS).