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Brain-behavior correlations in hemispatial neglect using CT and SPECT: The Sunnybrook Stroke Study
Abstract
OBJECTIVE: Structural and functional lesion localization in patients with hemispatial neglect. DESIGN: Location and severity of brain damage on CT and SPECT correlated with neglect performance as assessed with a battery of drawings, line bisection, and line and shape cancellation subtests. PATIENTS: Participants included 120 consecutive stroke patients with a single right-hemisphere-damaged lesion on CT who were admitted to the Acute Stroke Care Unit at Sunnybrook Health Science Centre. Of these, 88 also had a SPECT. RESULTS: On CT, 82 patients with neglect (compared with 38 without neglect) had more extensive damage in the parietal and sensorimotor cortex and white matter fiber bundles, including the posterior-superior longitudinal and inferior-frontal fasciculi (p < 0.05). Parietal and anterior cingulate damage best predicted neglect score using the CT data (p < 0.05), and regional blood flow in the parietal cortex best predicted neglect score using the SPECT data (p < 0.05) after controlling for the influence of age and lesion size on multiple linear regression. CONCLUSIONS: Damage in the parietal and anterior cingulate cortex and posterior white matter fiber bundles correlated with hemispatial neglect. Combining structural- and functional-imaging techniques with neurobehavioral analysis can elucidate brain-behavior relationships.
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Cited by
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de Schotten, M. T., Dell'Acqua, F., Forkel, S. J., Simmons, A., Vergani, F., Murphy, D. G. M., & Catani, M. (2011) · Nature Neuroscience · doi:10.1038/nn.2905 · Cited by 1,103
Behrmann, M., Geng, J. J., & Shomstein, S. (2004) · Current Opinion in Neurobiology · doi:10.1016/j.conb.2004.03.012 · Cited by 626
Perceptual awareness and its loss in unilateral neglect and extinction
Driver, J. (2001) · Cognition · doi:10.1016/s0010-0277(00)00124-4 · Cited by 600
The Anatomy of Spatial Neglect based on Voxelwise Statistical Analysis: A Study of 140 Patients
Karnath, H.-O. (2004) · Cerebral Cortex · doi:10.1093/cercor/bhh076 · Cited by 573
Sensitivity of clinical and behavioural tests of spatial neglect after right hemisphere stroke
Azouvi, P. (2002) · Journal of Neurology, Neurosurgery & Psychiatry · doi:10.1136/jnnp.73.2.160 · Cited by 527
Metadata
- Authors
- Leibovitch, F. S., Black, S. E., Caldwell, C. B., Ebert, P. L., Ehrlich, L. E., & Szalai, J. P.
- Venue
- Neurology
- Published
- 1998-04
- Volume
- 50
- Issue
- 4
- Pages
- 901-908
- ISSN
- 0028-3878 (ISSN-L)
- 1526-632X
- OpenAlex
- W2029018977
- Cited by
- 205
- References
- 2
- FWCI
- 2.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Leibovitch, F. S., Black, S. E., Caldwell, C. B., Ebert, P. L., Ehrlich, L. E., & Szalai, J. P. (1998). Brain-behavior correlations in hemispatial neglect using CT and SPECT: The Sunnybrook Stroke Study. Neurology. https://doi.org/10.1212/wnl.50.4.901
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