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Cited by 1,588

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Selective and divided attention during visual discriminations of shape, color, and speed: functional anatomy by positron emission tomography

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Corbetta, M, Miezin, FM, Dobmeyer, S, Shulman, GL, Petersen, SE·1991·The Journal of Neuroscience
DOI 10.1523/jneurosci.11-08-02383.1991
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Abstract

Positron emission tomography (PET) was used to identify the neural systems involved in discriminating the shape, color, and speed of a visual stimulus under conditions of selective and divided attention. Psychophysical evidence indicated that the sensitivity for discriminating subtle stimulus changes in a same-different matching task was higher when subjects selectively attended to one attribute than when they divided attention among the attributes. PET measurements of brain activity indicated that modulations of extrastriate visual activity were primarily produced by task conditions of selective attention. Attention to speed activated a region in the left inferior parietal lobule. Attention to color activated a region in the collateral sulcus and dorsolateral occipital cortex, while attention to shape activated collateral sulcus (similarly to color), fusiform and parahippocampal gyri, and temporal cortex along the superior temporal sulcus. Outside the visual system, selective and divided attention activated nonoverlapping sets of brain regions. Selective conditions activated globus pallidus, caudate nucleus, lateral orbitofrontal cortex, posterior thalamus/colliculus, and insular-premotor regions, while the divided condition activated the anterior cingulate and dorsolateral prefrontal cortex. The results in the visual system demonstrate that selective attention to different features modulates activity in distinct regions of extrastriate cortex that appear to be specialized for processing the selected feature. The disjoint pattern of activations in extravisual brain regions during selective- and divided-attention conditions also suggests that preceptual judgements involve different neural systems, depending on attentional strategies.

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Crossref · 10.1523/jneurosci.11-08-02383.1991

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Metadata

Authors
Corbetta, M., Miezin, F., Dobmeyer, S., Shulman, G., & Petersen, S.
Venue
The Journal of Neuroscience
Publisher
Society for Neuroscience
Published
1991-08-01
Volume
11
Issue
8
Pages
2383-2402
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
DOI
10.1523/jneurosci.11-08-02383.1991
OpenAlex
W1659760658
Cited by
1,588
References
6
FWCI
31.92
Type
journal article
Language
en
Open access
hybrid

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