PMID: 8971782Nov 22, 1996Paper

Can the level of prefrontal activity provide an index of performance in humans?

Neuroscience Letters
L Casini, F Macar

Abstract

The experiment reported here was aimed at determining whether the level of brain activity can be used as an index of subjects' performance on a temporal task. The discrimination of durations constituted the task. An array of four A's appeared on a screen, and subjects had to decide whether the letters remained on the screen for a short or a long duration as learned in a practice phase. This task allowed us to compare the level of brain activity obtained in correct and incorrect responses. The current density measures recorded over prefrontal areas showed that the level of activity obtained with correct responses was lower than those obtained with incorrect responses. This suggests that a good performance could be the result of an economic, but efficient, information-processing mechanism in the brain.

References

Nov 1, 1975·Electroencephalography and Clinical Neurophysiology·B Hjorth
Aug 1, 1979·Electroencephalography and Clinical Neurophysiology·F Macar, N Vitton
Nov 1, 1992·Brain and Language·I Parasnis
Nov 1, 1991·Psychophysiology·T ElbertW Lutzenberger
Jan 1, 1983·Neuropsychologia·M R Leek, J F Brandt
Jul 1, 1993·Electroencephalography and Clinical Neurophysiology·S K LawM J Eckardt
Nov 1, 1994·Memory & Cognition·F MacarL Casini

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Citations

Mar 15, 2012·Experimental Brain Research·Hiroaki MasakiKatuo Yamazaki
Jan 1, 2004·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Isabelle PaulMohamed Rebaï
May 20, 2003·Psychophysiology·Micha PfeutyViviane Pouthas
May 13, 2011·Acta Psychologica·R S OgdenC Montgomery
Mar 14, 2008·Brain Research·Micha PfeutyViviane Pouthas
Oct 7, 2004·Brain Research. Cognitive Brain Research·Deborah L HarringtonStephen M Rao
Aug 22, 2006·Acta Psychologica·Christophe Le DantecMohamed Rebaï

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