Do the hemispheres differ in their preparation for global/local processing?
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- Volberg, G. & Hübner, R. Exp Brain Res (2007) 176: 525. doi:10.1007/s00221-006-0796-9
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It has recently been suggested that hemispheric differences for global and local processing already occur in response to visual pre-cues that direct attention to a specific level. However, in the supporting studies cue information was confounded with the form of the cues. In order to dissolve the confound, we compared event-related brain potentials towards cues differing in form with those towards identically formed color cues. As a result, hemispheric differences were found only for the former cue type. The data thus show that the mere cue information does not produce hemispheric asymmetries associated with global/local target stimulus processing.