Task and timing in visual processing

The study of visual perception abounds with examples of surprising results, and perhaps none of these has gener-ated more controversy than the speed of object recogni-tion. Some complex objects can be recognized with amazing speed even while attention is engaged on a differ-ent task. Some simple objects need lengthy attentional scrutiny, and performance breaks down in dual-task experiments [1]. These results are fundamental to our understanding of the visual cortex, as they clearly show the interplay of the representation of information in the brain, attentional mechanisms, binding and conscious-ness. We argue that the lack of a common terminology is a sig-nificant contributor to this controversy, and define several different levels of tasks as: Detection – is a particular item

Abstract licence: CC BY-NC-ND

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