Conduction Aphasia

Conduction Aphasia

Conduction Aphasia

Conduction Aphasia

Synopsis

Over the past decade, questions about the clinical classification and experimental examination of aphasic patients have been raised. Growing doubts about the validity and reliability of standard clinical diagnoses have been responsible, in part, for the explosion of case studies in the neurolinguistic literature. In turn, rejection of classical aphasia diagnoses has made it difficult to synthesize much of this literature, and no alternative method for selecting and comparing aphasic patients has emerged.

This volume was motivated by a desire to take a fresh look at the benefits that aphasia diagnosis has for both clinical and experimental work. This is accomplished by exploring one classical aphasia syndrome from a multidisciplinary perspective; that is, by presenting information from the disciplines of neurology, speech-language pathology, and experimental neurolinguistics. Given this scope, it is hoped that this work will appeal to an equally broad range of readers.

Excerpt

Over the past decade, questions about the clinical classification and experimental examination of aphasic patients have been raised (e.g., Caramazza, 1984; Caramazza & Badecker, 1989). Growing doubts about the validity and reliability of standard clinical diagnoses have been responsible, in part, for the explosion of case studies in the neurolinguistic literature. In turn, rejection of classical aphasia diagnoses has made it difficult to synthesize much of this literature. No alternative method for selecting and comparing aphasic patients has emerged.

While there has been a consistent decrease in the use of standard diagnoses in contemporary neurolinguistic studies of language production and comprehension, contemporary studies of acquired alexia have inspired the development of new syndromes. However, these new syndromes are flawed in ways that seriously undermine their utility as theoretical constructs. These syndromes have been developed without a clear understanding of what symptoms are and how they co-occur to form a symptom-complex, or syndrome (see Friedman, 1991, for an attempt to clarify the relationship between deep and phonological dyslexia).

This volume was motivated by a desire to take a fresh look at the benefits that aphasia diagnosis has for both clinical and experimental work. This is accomplished by exploring one classical aphasia syndrome from a multidisciplinary perspective; that is, by presenting information from the disciplines of neurology, speech-language pathology, and experimental neurolinguistics. Given the range of perspectives represented, it is hoped that this work will appeal to an equally broad range of readers.

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