By S. Christman
The aim of the ebook is to supply a entire review of hemispheric alterations in sensory and perceptual processing. the 1st element of the publication bargains at once with the intra- and inter-hemispheric processing of spatial and temporal frequencies within the visible modality. the second one part addresses the preliminary interplay among sensory and cognitive mechanisms, facing how the left and correct cerebral hemispheres vary of their computation and illustration of sensory details. The 3rd part covers how attentional mechanisms modulate the character of perceptual processing within the cerebral hemispheres. part 4 comprises a unmarried bankruptcy which reports proof suggesting a practical linkage among top and correct field of vision processing, at the one hand, and reduce and left field of vision processing at the different.
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Extra resources for Cerebral Asymmetries in Sensory and Perceptual Processing
1987). Failures to confirm the spatial-frequency hypothesis: Fatal blow or healthy complication? Canadian Journal of Psycho logy_,41, 412-428. , & Bindra, D. (1981). Differential hemispheric processing of faces: Methodological considerations and reinterpretation. Psychological Bulletin, 89, 541-554. J. (1991). Discrimination of spatial phase shows a qualitative differences between foveal and peripheral processing. Vision Research, 31, 1315-1326. , & Koltuska, B. (1987). Hemispheric differences in the perception of gratings.
Justine Sergent, in one of her first papers on sensory resolution of the two cerebral hemispheres (1982b), found that the variation of exposure duration made the visual field superiority (in terms of reaction-time speed) shift from one side to another. At short durations (40 msec), the left visual field (LVF)/right hemisphere (RH) was superior in a facial categorization task. However, at long durations (200 msec), right visual field (RVF)/ left hemisphere (LH) became superior. The effect of exposure duration, replicated in many other successive works, was interpreted in the framework of research carried out in the Seventies on space and time domains in spatial-frequency analysis (see a review in Sergent & Hellige, 1986).
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