publication . Other literature type . Article . 2005

Brain State-dependent Functional Hemispheric Specialization in Men but not in Women

Christine Mohr; Christoph M. Michel; Goran Lantz; Stephanie Ortigue; Isabelle Viaud-Delmon; Theodor Landis;
  • Published: 01 Sep 2005
  • Publisher: Oxford University Press (OUP)
  • Country: Switzerland
Abstract
Hemispheric specialization is reliably demonstrated in patients with unilateral lesions or disconnected hemispheres, but is inconsistent in healthy populations. The reason for this paradox is unclear. We propose that functional hemispheric specialization in healthy participants depends upon functional brain states at stimulus arrival (FBS). Brain activity was recorded from 123 surface electrodes while 22 participants (11 women) performed lateralized lexical decisions (left hemisphere processing) on neutral and emotional (right hemisphere processing) words. We determined two classes of stable FBS, one with right anterior--left posterior orientations (RA-LP maps) ...
Subjects
free text keywords: Cognitive Neuroscience, Cellular and Molecular Neuroscience, Electroencephalography, medicine.diagnostic_test, medicine, Brain activity and meditation, Stimulus (physiology), State dependent, Meridian (perimetry, visual field), Cognitive psychology, Visual field, Lexical decision task, Lateralization of brain function, Psychology
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publication . Other literature type . Article . 2005

Brain State-dependent Functional Hemispheric Specialization in Men but not in Women

Christine Mohr; Christoph M. Michel; Goran Lantz; Stephanie Ortigue; Isabelle Viaud-Delmon; Theodor Landis;