COPYRIGHT YEAR

1985

AUTHORS

Ivar Reinvang

TITLE

Approaches to the Study of Aphasia

ABSTRACT

The study of aphasia may be motivated by clinical as well as theoretical considerations. It has been estimated that about 1 million people suffer from aphasia in the United States (Sarno, 1980). In Sweden, the incidence of aphasia has been estimated at 60 per 100,000 inhabitants per year (Broman, Lindholm, & Melin, 1967), and in Norway, Petlund (1970) estimated the prevalence at.09%. The most frequent cause of aphasia is stroke, which is itself a common disease in an elderly population. Whereas the risk of stroke in the fifth decade of life is.2%, the corresponding risk in the seventh decade is 2.0% (Marquardsen, 1969). Add the fact that 20% to 25% of stroke patients are initially aphasic (Brust, Schafer, Richter, & Bruun, 1976), and the magnitude of the clinical problems becomes striking. In this context, the need for practical and reliable methods of testing is apparent. A classification system with knowledge of associated neurological and neuropsychological deficits, prognosis, and underlying pathology is a prerequisite for sound treatment.

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1 book-chapters:57d98134d493420a9c3eca7bbdc5e294 sg:abstract Abstract The study of aphasia may be motivated by clinical as well as theoretical considerations. It has been estimated that about 1 million people suffer from aphasia in the United States (Sarno, 1980). In Sweden, the incidence of aphasia has been estimated at 60 per 100,000 inhabitants per year (Broman, Lindholm, & Melin, 1967), and in Norway, Petlund (1970) estimated the prevalence at.09%. The most frequent cause of aphasia is stroke, which is itself a common disease in an elderly population. Whereas the risk of stroke in the fifth decade of life is.2%, the corresponding risk in the seventh decade is 2.0% (Marquardsen, 1969). Add the fact that 20% to 25% of stroke patients are initially aphasic (Brust, Schafer, Richter, & Bruun, 1976), and the magnitude of the clinical problems becomes striking. In this context, the need for practical and reliable methods of testing is apparent. A classification system with knowledge of associated neurological and neuropsychological deficits, prognosis, and underlying pathology is a prerequisite for sound treatment.
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8 sg:copyrightYear 1985
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10 sg:doi 10.1007/978-1-4757-9214-0_1
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18 sg:metadataRights OpenAccess
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21 sg:scigraphId 57d98134d493420a9c3eca7bbdc5e294
22 sg:title Approaches to the Study of Aphasia
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