Strength of hemispheric lateralisation?

-Supporting research -Eg: Fink et al used PET scans to identify which brain areas were active during a visual processing task. When ppts with connected brains were aksed to attentd the global elemtsn of an imgage regions of the RH were more active -When required to focus on the finer details areas of LH tended to dominate. Significant bc it shows that even in connected brains the hemispheres process info differently -Suggests, at least as far as visual processing, hemispheric laterlisation is a feature of a connected brain as well as split-brian