Show Reference: "Neural Mechanisms of Selective Visual Attention"

Neural Mechanisms of Selective Visual Attention Annual Review of Neuroscience, Vol. 18, No. 1. (1995), pp. 193-222, doi:10.1146/ by Robert Desimone, John Duncan
    address = {Laboratory of Neuropsychology, NIMH, Bethesda, Maryland 20892, USA.},
    author = {Desimone, Robert and Duncan, John},
    doi = {10.1146/},
    issn = {0147-006X},
    journal = {Annual Review of Neuroscience},
    keywords = {attention, biology},
    number = {1},
    pages = {193--222},
    pmid = {7605061},
    posted-at = {2013-04-18 10:05:53},
    priority = {2},
    title = {Neural Mechanisms of Selective Visual Attention},
    url = {},
    volume = {18},
    year = {1995}

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Traditionally, visual attention is subdivided into feature-based attention and spatial attention. However, spatial is arguably only one cue out of possibly a number of cues and possibly only a special case.

Visual attention is influenced both by local and global saliency, ie. bottom-up processes, and by semantics, ie. top-down processes.

Low-level (dis)similarity is important for top-down visual search.

The biased competition theory of visual attention explains attention as the effect of low-level stimuli competing with each other for resources—representation and processing. According to this theory, higher-level processes/brain regions bias this competition.

Desimone and Duncan argue that spatial information about a search target can be part of the attentional template fitted against all potential targets in the visual display as any other object feature.