Roles of multiscale brain activity fluctuations in shaping the variability and dynamics of psychophysical performance

Palva, J. M. and Palva, S. (2011) Roles of multiscale brain activity fluctuations in shaping the variability and dynamics of psychophysical performance. In: Van Someren, E. J.W., Van Der Werf, Y. D., Roelfsema, P. R., Mansvelder, H. D. and Lopes Da Silva, F. H. (eds.) Slow Brain Oscillations of Sleep, Resting State and Vigilance. Series: Progress in brain research (193). Elsevier, pp. 335-350. ISBN 9780444538390 (doi:10.1016/B978-0-444-53839-0.00022-3)

Palva, J. M. and Palva, S. (2011) Roles of multiscale brain activity fluctuations in shaping the variability and dynamics of psychophysical performance. In: Van Someren, E. J.W., Van Der Werf, Y. D., Roelfsema, P. R., Mansvelder, H. D. and Lopes Da Silva, F. H. (eds.) Slow Brain Oscillations of Sleep, Resting State and Vigilance. Series: Progress in brain research (193). Elsevier, pp. 335-350. ISBN 9780444538390 (doi:10.1016/B978-0-444-53839-0.00022-3)

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Abstract

Spontaneous brain activity across many time scales influences sensory perception and human cognitive performance. Empirical insight into the underlying systems-level mechanisms has, however, remained fragmented. We review here recent studies on how wideband scale-free and scale-specific neuronal activity fluctuations together bias sensory processing and perceptual performance. We posit that these fluctuations constitute the neurophysiological foundation for both the trial-to-trial behavioral variability and the scaling laws governing psychophysical performance.

Item Type:Book Sections
Additional Information:This work was supported by the Academy of Finland and Helsinki University Research Funds.
Status:Published
Glasgow Author(s) Enlighten ID:Palva, Professor Matias and Palva, Professor Satu
Authors: Palva, J. M., and Palva, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Neuroscience and Psychology
Publisher:Elsevier
ISBN:9780444538390

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