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High-frequency synchronisation in schizophrenia: Too much or too little?

Published online by Cambridge University Press:  03 September 2003

Leanne M. Williams
Affiliation:
School of Psychology, (A19), University of Sydney, Camperdown, NSW, 2006, Australia lea@psych.usyd.edu.au
Kwang-Hyuk Lee
Affiliation:
Brain Dynamics Centre, Westmead Hospital, University of Sydney, Westmead, NSW, 2145, Australia md4khl@sheffield.ac.uk
Albert Haig
Affiliation:
Brain Dynamics Centre and International Brain Resource Database, Westmead Hospital, University of Sydney, Westmead, NSW, 2145, Australia albert@brainresource.com egordon@mail.usyd.edu.au http://www.brain-dynamics.net
Evian Gordon
Affiliation:
Brain Dynamics Centre and International Brain Resource Database, Westmead Hospital, University of Sydney, Westmead, NSW, 2145, Australia albert@brainresource.com egordon@mail.usyd.edu.au http://www.brain-dynamics.net
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Abstract

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Phillips & Silverstein's focus on schizophrenia as a failure of “cognitive coordination” is welcome. They note that a simple hypothesis of reduced Gamma synchronisation subserving impaired coordination does not fully account for recent observations. We suggest that schizophrenia reflects a dynamic compensation to a core deficit of coordination, expressed either as hyper- or hyposynchronisation, with neurotransmitter systems and arousal as modulatory mechanisms.

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Copyright © Cambridge University Press 2003