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C1 - Task-dependent allocation of resources by attention: physiology

Stefan Treue and Theo Geisel

The visual system of man and other primates combines enormous power with a similarly impressive adaptive capability. The major component allowing the dynamic reallocation of processing resources onto aspects of interest is attention. Attentional modulation on essentially all levels of cortical processing of visual information is well established. The Cognitive Neuroscience Laboratory (CNL) has contributed central findings on the influence of attention on visual information processing. A central unresolved issue remains the question if the hierarchy of visual cortical areas is mirrored by an monotonously increasing influence of attention or whether the strength of attentional modulation varies non-monotonically between areas having a particularly strong influence on those areas best matched to the visual task at hand.

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