Journal
CURRENT OPINION IN NEUROBIOLOGY
Volume 14, Issue 2, Pages 225-232Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2004.03.013
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Funding
- NINDS NIH HHS [NS17778, NS30256, NS33504, NS40813] Funding Source: Medline
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This review summarizes recent investigations of temporal processing. We focus on motor and perceptual tasks in which crucial events span hundreds of milliseconds. One key question concerns whether the representation of temporal information is dependent on a specialized system, distributed across a network of neural regions, or computed in a local task-dependent manner. Consistent with the specialized system framework, the cerebellum is associated with various tasks that require precise timing. Computational models of timing mechanisms within the cerebellar cortex are beginning to motivate physiological studies. Emphasis has also been placed on the basal ganglia as a specialized timing system, particularly for longer intervals. We outline an alternative hypothesis in which this structure is associated with decision processes.
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