Broca's area aphasias
Aphasia after lesions including the frontal operculum
Abstract
We report 9 cases of aphasia following lesions in the region of the left frontal operculum. It is not possible to capture their variety of clinical manifestations with the simple labels of “Broca's aphasia” or “Broca's area aphasia.” Analysis of the breakdown of various components of speech and language in these cases suggests that the operculum, lower motor cortex, and subjacent subcortical and periventricular white matter contain critical parts of different language systems. These systems can be independently impaired. There are several common language syndromes that follow damage that includes the left frontal operculum. These syndromes reflect the effects of the direction and extent of the lesion in the various language systems.
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© 1990 by the American Academy of Neurology.
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Published online: February 1, 1990
Published in print: February 1990
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- Distinct brain morphometry patterns revealed by deep learning improve prediction of post-stroke aphasia severity, Communications Medicine, 4, 1, (2024).https://doi.org/10.1038/s43856-024-00541-8
- A review of brain regions and associated post-concussion symptoms, Frontiers in Neurology, 14, (2023).https://doi.org/10.3389/fneur.2023.1136367
- The relevance of the unique anatomy of the human prefrontal operculum to the emergence of speech, Communications Biology, 6, 1, (2023).https://doi.org/10.1038/s42003-023-05066-9
- Mapping spoken language and cognitive deficits in post-stroke aphasia, NeuroImage: Clinical, 39, (103452), (2023).https://doi.org/10.1016/j.nicl.2023.103452
- Predictors of Therapy Response in Chronic Aphasia: Building a Foundation for Personalized Aphasia Therapy, Journal of Stroke, 24, 2, (189-206), (2022).https://doi.org/10.5853/jos.2022.01102
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- Possible limitations of perceptual studies for informing production networks – The case of laughter, Cortex, 148, (218-221), (2022).https://doi.org/10.1016/j.cortex.2022.01.013
- Functional MRI evidence for reorganization of language networks after stroke, Aphasia, (131-150), (2022).https://doi.org/10.1016/B978-0-12-823384-9.00007-4
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