2008
DOI: 10.1016/j.conb.2008.09.017
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Corollary discharge circuits in the primate brain

Abstract: Movements are necessary to engage the world, but every movement results in sensorimotor ambiguity. Self-movements cause changes to sensory inflow as well as changes in the positions of objects relative to motor effectors (eyes and limbs). Hence the brain needs to monitor self-movements, and one way this is accomplished is by routing copies of movement commands to appropriate structures. These signals, known as corollary discharge (CD), enable compensation for sensory consequences of movement and preemptive upd… Show more

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Cited by 140 publications
(117 citation statements)
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“…Although the explanations rely on the concept of forward modeling (for a summary, see Miall & Wolpert, 1996), this general principle can be implemented in various ways (Crapse & Sommer, 2008a, 2008b) and the three hypotheses seem to disagree on how such internal forward models are implemented in the human neuro-cognitive system.…”
Section: Interpreting Action-related Erp Attenuationsmentioning
confidence: 99%
“…Although the explanations rely on the concept of forward modeling (for a summary, see Miall & Wolpert, 1996), this general principle can be implemented in various ways (Crapse & Sommer, 2008a, 2008b) and the three hypotheses seem to disagree on how such internal forward models are implemented in the human neuro-cognitive system.…”
Section: Interpreting Action-related Erp Attenuationsmentioning
confidence: 99%
“…Human studies have provided some insights into the functional role of CD in two operations: resolving ambiguity in the origin of sensory information and enabling proper motor performance. The CD mechanism plays an important role in the vocalization and auditory system, and also plays a part in coordinating the skeletomotor and somatosensory systems 46) . CD is produced only if the motor commands interact with unpredicted sensory inputs and inhibits the neural response to self-generated sensory signals.…”
Section: Implications From Imaging Studiesmentioning
confidence: 99%
“…However, once they learned their first ICMS task, leaning subsequent tasks took much less time. The use of ICMS in active touch settings where subjects evoke ICMS and its associated sensations through their own actions (Sinclair & Burton, 1988;Bolanowski et al, 2004;Simões-Franklin et al, 2010) may contribute to shaping the artificial perception and lead to the development of anticipatory cortical modulations similar to corollary discharge (Crapse & Sommer, 2008).…”
Section: Qualiamentioning
confidence: 99%
“…Chief among them is that the perceived roughness has been found to be invariant of the speed at which textured surfaces move underneath the fingertips (Lederman, 1974), suggesting that temporal codes are not by the brain to represent roughness. Alternatively, it could be that temporal codes are used but that corollary discharge (Crapse & Sommer, 2008) from motor cortical areas to sensory cortical areas compensates for the velocity dependent activity of peripheral mechanoreceptors. Whether the simple ICMS scheme described here is sufficient to evoke naturalistic sensations of texture remains to be seen.…”
Section: Representing Texture With Gratingsmentioning
confidence: 99%
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