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Peer reviewedFoundas, Anne L. – Topics in Language Disorders, 2001
The anatomy of speech and language-related cortical areas is reviewed with an emphasis on neuroimaging methods that have been utilized to better understand the anatomy and functional extent of critical speech-language areas. Contributions from pneumoencephalography, computerized tomography scans, and magnetic resonance imaging are discussed.…
Descriptors: Adults, Anatomy, Children, Etiology
Peer reviewedRiccio, Cynthia A.; Hynd, George W. – Topics in Language Disorders, 1996
Research findings from autopsy studies, neuroimaging, functional imaging, and electrophysiological measures specific to dyslexia have provided a better understanding of the reading process, particularly as it applies to individuals with dyslexia. Evidence from these studies pertaining to the neurological origins of dyslexia is reviewed, and…
Descriptors: Anatomy, Dyslexia, Elementary Secondary Education, Etiology
Peer reviewedCato, M. Allison; Moore, Anna Bacon; Crosson, Bruce – Topics in Language Disorders, 2001
This article reviews competing theories of semantic organization in the brain, including modular models, unitary models, and the matrix theory, and provides supporting and refuting evidence for each, incorporating examples from the imaging literature. The literature does provide some support for distinct neural substrates that process specific…
Descriptors: Adults, Anatomy, Biological Influences, Children
Peer reviewedRaymer, Anastasia M. – Topics in Language Disorders, 2001
This article discusses advances in structural and functional neuroimaging that indicate that, in general, nonfluent aphasias are associated with left pre-rolandic lesions and fluent aphasias occur with left post-rolandic lesions that spare pre-rolandic areas. However, functional neuroimaging studies have also shown that neural dysfunction often…
Descriptors: Adults, Anatomy, Aphasia, Biological Influences
Peer reviewedLane, Angela B.; Foundas, Anne L.; Leonard, Christiana M. – Topics in Language Disorders, 2001
This article reviews current neuroimaging literature, including computer tomography, positron emission tomography, single photon emission spectroscopy, and magnetic resonance imaging, on individuals with developmental language disorders. The review suggests a complicated relationship between cortical morphometry and language development that is…
Descriptors: Adults, Anatomy, Biological Influences, Children
Peer reviewedKendall, Diane L.; Rothi, Leslie J. Gonzalez – Topics in Language Disorders, 2001
This epilogue discusses potentials in future clinical decision-making using the emerging functional neuroimaging technology, including identification of the mechanisms underlying cognitive functions and prediction of spared/impaired cognitive functions, those related to recovery of function and prediction of treatment candidacy; and those related…
Descriptors: Adults, Anatomy, Children, Decision Making
