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Journal of Neuroscience, Vol 11, 2383-2402, Copyright © 1991 by Society for Neuroscience


ARTICLE

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

M Corbetta, FM Miezin, S Dobmeyer, GL Shulman and SE Petersen
Department of Neurology and Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri 63110.

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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PNAS, July 18, 2000; 97(15): 8728 - 8733.
[Abstract] [Full Text] [PDF]


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NeurologyHome page
R. J. Perry and J. R. Hodges
Differentiating frontal and temporal variant frontotemporal dementia from Alzheimer's disease
Neurology, June 27, 2000; 54(12): 2277 - 2284.
[Abstract] [Full Text] [PDF]


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Proc. Natl. Acad. Sci. USAHome page
K. J. Friston and C. Buchel
Attentional modulation of effective connectivity from V2 to V5/MT in humans
PNAS, June 20, 2000; 97(13): 7591 - 7596.
[Abstract] [Full Text] [PDF]


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J. Neurophysiol.Home page
A. C. Huk and D. J. Heeger
Task-Related Modulation of Visual Cortex
J Neurophysiol, June 1, 2000; 83(6): 3525 - 3536.
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Am. J. PsychiatryHome page
M. Frederikse, A. Lu, E. Aylward, P. Barta, T. Sharma, and G. Pearlson
Sex Differences in Inferior Parietal Lobule Volume in Schizophrenia
Am J Psychiatry, March 1, 2000; 157(3): 422 - 427.
[Abstract] [Full Text]


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BrainHome page
A. Engelien, W. Huber, D. Silbersweig, E. Stern, C. D. Frith, W. Doring, A. Thron, and R. S. J. Frackowiak
The neural correlates of `deaf-hearing' in man: Conscious sensory awareness enabled by attentional modulation
Brain, March 1, 2000; 123(3): 532 - 545.
[Abstract] [Full Text] [PDF]


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Cereb CortexHome page
W. Vanduffel, R. B.H. Tootell, and G. A. Orban
Attention-dependent Suppression of Metabolic Activity in the Early Stages of the Macaque Visual System
Cereb Cortex, February 1, 2000; 10(2): 109 - 126.
[Abstract] [Full Text] [PDF]


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Cereb CortexHome page
M. E. Frederikse, A. Lu, E. Aylward, P. Barta, and G. Pearlson
Sex Differences in the Inferior Parietal Lobule
Cereb Cortex, December 1, 1999; 9(8): 896 - 901.
[Abstract] [Full Text] [PDF]


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NeurologyHome page
A. Fontaine, P. Azouvi, P. Remy, B. Bussel, and Y. Samson
Functional anatomy of neuropsychological deficits after severe traumatic brain injury
Neurology, December 1, 1999; 53(9): 1963 - 1963.
[Abstract] [Full Text] [PDF]


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StrokeHome page
P. Remy, M. Zilbovicius, P. Cesaro, P. Amarenco, J.-D. Degos, and Y. Samson
Primary Somatosensory Cortex Activation Is Not Altered in Patients With Ventroposterior Thalamic Lesions : A PET Study
Stroke, December 1, 1999; 30 (12): 2651 - 2658.
[Abstract] [Full Text] [PDF]


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J. Neurosci.Home page
G. L. Shulman, J. M. Ollinger, E. Akbudak, T. E. Conturo, A. Z. Snyder, S. E. Petersen, and M. Corbetta
Areas Involved in Encoding and Applying Directional Expectations to Moving Objects
J. Neurosci., November 1, 1999; 19(21): 9480 - 9496.
[Abstract] [Full Text] [PDF]


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BrainHome page
A. Dagher, A. M. Owen, H. Boecker, and D. J. Brooks
Mapping the network for planning: a correlational PET activation study with the Tower of London task
Brain, October 1, 1999; 122(10): 1973 - 1987.
[Abstract] [Full Text] [PDF]


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BrainHome page
R. Peyron, L. Garcia-Larrea, M.-C. Gregoire, N. Costes, P. Convers, F. Lavenne, F. Mauguiere, D. Michel, and B. Laurent
Haemodynamic brain responses to acute pain in humans: Sensory and attentional networks
Brain, September 1, 1999; 122(9): 1765 - 1780.
[Abstract] [Full Text] [PDF]


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BrainHome page
J. J. Kim, N. C. Andreasen, D. S. O'Leary, A. K. Wiser, L. L. B. Ponto, G. L. Watkins, and R. D. Hichwa
Direct comparison of the neural substrates of recognition memory for words and faces
Brain, June 1, 1999; 122(6): 1069 - 1083.
[Abstract] [Full Text] [PDF]


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Arch Gen PsychiatryHome page
J. M. Goldstein, J. M. Goodman, L. J. Seidman, D. N. Kennedy, N. Makris, H. Lee, J. Tourville, V. S. Caviness Jr, S. V. Faraone, and M. T. Tsuang
Cortical Abnormalities in Schizophrenia Identified by Structural Magnetic Resonance Imaging
Arch Gen Psychiatry, June 1, 1999; 56(6): 537 - 547.
[Abstract] [Full Text] [PDF]


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BrainHome page
R. J. Perry and J. R. Hodges
Attention and executive deficits in Alzheimer's disease: A critical review
Brain, March 1, 1999; 122(3): 383 - 404.
[Abstract] [Full Text] [PDF]


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Proc. Natl. Acad. Sci. USAHome page
D. C. Somers, A. M. Dale, A. E. Seiffert, and R. B. H. Tootell
Functional MRI reveals spatially specific attentional modulation in human primary visual cortex
PNAS, February 16, 1999; 96(4): 1663 - 1668.
[Abstract] [Full Text] [PDF]


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NeurologyHome page
P. Remy, M. Zilbovicius, J.-D. Degos, A.-C. Bachoud-Levi, G. Rancurel, P. Cesaro, and Y. Samson
Somatosensory cortical activations are suppressed in patients with tactile extinction: A PET study
Neurology, February 1, 1999; 52(3): 571 - 571.
[Abstract] [Full Text] [PDF]


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J. Neurophysiol.Home page
J. C. Culham, S. A. Brandt, P. Cavanagh, N. G. Kanwisher, A. M. Dale, and R. B. H. Tootell
Cortical fMRI Activation Produced by Attentive Tracking of Moving Targets
J Neurophysiol, November 1, 1998; 80(5): 2657 - 2670.
[Abstract] [Full Text] [PDF]


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Proc. Natl. Acad. Sci. USAHome page
T. Watanabe, A. M. Harner, S. Miyauchi, Y. Sasaki, M. Nielsen, D. Palomo, and I. Mukai
Task-dependent influences of attention on the activation of human primary visual cortex
PNAS, September 15, 1998; 95(19): 11489 - 11492.
[Abstract] [Full Text] [PDF]



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