On the Hypothesis of a Differential Hemispheric Capacity for Spatial Frequency Analysis (original) (raw)

Abstract

Two experiments were conducted to test the hypothesis of an hemispheric specialization in the spatial frequency analysis. Reaction times were collected for gratings of different spatial frequencies presented to the left and to the right visual field. An interaction was found between visual fields and spatial frequencies, with a clear left visual field-right hemisphere advantage for high spatial frequency processing. Results are discussed in terms of the relative spatial/temporal properties of visual stimuli that could activate mechanisms specific of each hemisphere.

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