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What exactly is central to the role of central neuroplasticity in persistent pain?

Published online by Cambridge University Press:  01 September 1997

Terence J. Coderre
Affiliation:
Pain Mechanisms Laboratory, Clinical Research Institute of Montreal Centre de recherche en sciences neurologiques et departement demédecine, Université de Montréal Department of Psychology, McGill University, Montreal, Quebec H2W 1R7, Canadacoderrt@ircm.umontreal.ca www.ircm.umontreal.ca/
Joel Katz
Affiliation:
Department of Psychology and Acute Pain Research Unit, The Toronto Hospital Departments of Behavioral Science and Anaesthesia, University of Toronto, Toronto, Ontario M5S 2C4 Canadaj.katz@utoronto.ca www.utoronto.ca/

Abstract

The commentaries on our target article have raised important issues about central neuroplasticity and its role in persistent pain states. Some suggest that central neuroplasticity plays nothing more than a minor role in persistent pain, while others argue that persistent pain depends critically on peripheral inputs for its maintenance. Some stress that persistent pain relies to a large extent on changes in the brain and on centrifugal inputs from brain to spinal cord, whereas others argue that it depends on alterations in inhibitory as well as excitatory systems. We attempt to address each of the commentators' points, while defending our position that central neuroplasticity is critical to pathological persistent pain states.

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Copyright
© 1997 Cambridge University Press

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