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Abstract:
Studies have demonstrated that faces are processed holistically, and linked this processing to brain activity in occipitotemporal cortex. Recent work has shown that non-expertise objects can be processed holistically. It remains unclear which brain areas are involved. Our participants performed a composite task with objects, while we recorded their brain activity with fMRI. In addition, we defined brain regions of interest based on their responses to faces, objects, scenes and perceptual grouping. Despite our participants' behavioural holistic processing effect being as strong as for faces, we found that neither regions shown to process faces holistically (in previous studies and our own work), nor any other brain regions we investigated, showed activity consistent with holistic processing. We conclude that different brain regions may underlie holistic processing of faces and objects, but further work is needed to elucidate which brain regions underlie holistic processing of objects.
