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Science 16 January 2004:
Vol. 303. no. 5656, pp. 317 - 318
DOI: 10.1126/science.1093922
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Perspectives

NEUROSCIENCE:
Action, Illusion, and Perception

Jacqueline Gottlieb and Pietro Mazzoni

Movement-related areas of the brain convey both motor and sensory signals. Neuroscientists have long pondered the question of whether such sensory signals are more closely related to sensory perception or to motor control. In their Perspective, Gottlieb and Mazzoni discuss new research showing that different brain areas are involved in the perception and execution of movement (Schwartz et al.).

The authors are in the Center for Neurobiology and Behavior, Mahoney Center for Brain and Behavior, and Department of Neurology, Columbia University, New York, NY 10027, USA. E-mail: jg2141{at}columbia.edu (J.G.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)