A Phonological Investigation Of Aphasic Speech

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This volume combines in-depth reviews of models of spoken word production and cognitive neuropsychological disorders of spoken word production. The first section provides a detailed discussion of the development and structure of current models of language production using data form "normal" subjects. It is these models that form the basis of the study and therefore the text attempts to explain their processing mechanisms and assumptions clearly. The evidence used for the development of these models is described including experimental studies and observation of patterns in naturally occurring speech errors.; The second section focuses on studies of aphasic naming disorders and discusses these disorders in terms of the model described in the first section. The emphasis is on single case studies. These are reviewed in three chapters examining semantic errors and disorders, the range of symptoms attributed to disorders of lexical retriveal and deficits of phonological encoding. The text assumes that the reader has some familiarity with the linguistic and psychological terminology relevant to these areas and therefore is most suited to the graduate student or researcher/lecturer.

Phonological Processes and Brain Mechanisms reviews selective neurolinguistic research relating brain structures to phonology. The studies in the volume report on a number of timely and important topics, such as a neuronal model for processing segmental phonology, the role of the thalamus and basal ganglia in language processing, and oral reading in dyslexia. Increasingly, phonology is considered a cognitive module whose brain correlates may be independently investigated. Given the modular nature of the phonological system and its direct linkage with peripheral components of the nervous system, research on phonology and the brain will undoubtedly flourish in the future. The chapters in this volume give substance to this future.

A Linguistic Investigation of Aphasic Chinese Speech is the first detailed linguistic analysis of a large body of aphasic Chinese natural speech data. This work describes how the major aphasia syndromes are manifest in Chinese, a language which differs significantly from languages upon which traditional aphasia theory is based. Following the Chinese data, a new explanation for the major aphasia syndromes is offered based on the cognitive science modularity hypothesis. The theory posits that Broca's aphasia is the result of computational deficits that occur within linguistic components, while Wernicke's aphasia is the result of deficits that occur in the transfer of information between components. It is demonstrated how the fluent and non-fluent characteristics of the major aphasia syndromes follow directly from the properties of cognitive modules. Detailed linguistic descriptions of Broca's and Wernicke's aphasia in Chinese are provided, including a summary of diagnostics of aphasia type. The complete corpora of four aphasic Chinese speakers, including interlinear and free translations, are presented in an Appendix.

Bringing together a range of experts, the editors of this volume aim to show how psycholinguistic models of normal speech processing can be applied to the study of disorders of speech production, such as stuttering, aphasia and verbal dyspraxia.

Investigations in Clinical Phonetics and Linguistics is a sequel to the eighth meeting of the International Clinical Phonetics and Linguistics Association, attended by delegates from 26 different countries. This book reflects the scope of the subject area of clinical phonetics and linguistics, the balance of input into it with respect to the different kinds of research being carried on, and the representation of researchers from different parts of the world. Its scope includes the application of all levels of linguistic analysis and the chapters of the book have been ordered as far as possible according to linguistic level, beginning with pragmatics and ending with acoustics. It will be immediately apparent that a greater number of chapters are concerned with applications of phonetics and phonology then with any other levels.