On the notion of a "subtle phonetic deficit" in fluent/posterior aphasia. 1995

A Vijayan, and J Gandour
Department of Audiology and Speech Sciences, Purdue University, West Lafayette, IN 47907-1353, USA.

Phonetic investigations in the past decade or so have reported instances of a "subtle phonetic deficit" in the fluent aphasias, thereby challenging the traditional dichotomy of a motoric deficit characterizing the nonfluent aphasias and a selection deficit characterizing the fluent aphasias. This paper critically reviews the acoustic, physiological, and perceptual studies which have attempted to examine this phenomenon. These investigations have been evaluated in terms of differences in subject populations, task demands, subjects' performance, and problematic interpretations. Suggestions are offered for an experimental design which can help us operationalize this term and help us to better understand the speech production deficit in fluent aphasic patients.

UI MeSH Term Description Entries
D010296 Parietal Lobe Upper central part of the cerebral hemisphere. It is located posterior to central sulcus, anterior to the OCCIPITAL LOBE, and superior to the TEMPORAL LOBES. Brodmann Area 39,Brodmann Area 40,Brodmann Area 5,Brodmann Area 7,Brodmann's Area 39,Brodmann's Area 40,Brodmann's Area 5,Brodmann's Area 7,Inferior Parietal Cortex,Secondary Sensorimotor Cortex,Superior Parietal Lobule,Angular Gyrus,Gyrus Angularis,Gyrus Supramarginalis,Intraparietal Sulcus,Marginal Sulcus,Parietal Cortex,Parietal Lobule,Parietal Region,Posterior Paracentral Lobule,Posterior Parietal Cortex,Praecuneus,Precuneus,Precuneus Cortex,Prelunate Gyrus,Supramarginal Gyrus,Area 39, Brodmann,Area 39, Brodmann's,Area 40, Brodmann,Area 40, Brodmann's,Area 5, Brodmann,Area 5, Brodmann's,Area 7, Brodmann,Area 7, Brodmann's,Brodmanns Area 39,Brodmanns Area 40,Brodmanns Area 5,Brodmanns Area 7,Cortex, Inferior Parietal,Cortex, Parietal,Cortex, Posterior Parietal,Cortex, Precuneus,Cortex, Secondary Sensorimotor,Cortices, Inferior Parietal,Gyrus, Angular,Gyrus, Prelunate,Gyrus, Supramarginal,Inferior Parietal Cortices,Lobe, Parietal,Lobule, Parietal,Lobule, Posterior Paracentral,Lobule, Superior Parietal,Paracentral Lobule, Posterior,Paracentral Lobules, Posterior,Parietal Cortex, Inferior,Parietal Cortex, Posterior,Parietal Cortices,Parietal Cortices, Inferior,Parietal Cortices, Posterior,Parietal Lobes,Parietal Lobule, Superior,Parietal Lobules,Parietal Lobules, Superior,Parietal Regions,Posterior Paracentral Lobules,Posterior Parietal Cortices,Precuneus Cortices,Region, Parietal,Secondary Sensorimotor Cortices,Sensorimotor Cortex, Secondary,Superior Parietal Lobules
D010700 Phonetics The science or study of speech sounds and their production, transmission, and reception, and their analysis, classification, and transcription. (Random House Unabridged Dictionary, 2d ed) Speech Sounds,Sound, Speech,Sounds, Speech,Speech Sound
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001041 Aphasia, Wernicke Impairment in the comprehension of speech and meaning of words, both spoken and written, and of the meanings conveyed by their grammatical relationships in sentences. It is caused by lesions that primarily affect Wernicke's area, which lies in the posterior perisylvian region of the temporal lobe of the dominant hemisphere. (From Brain & Bannister, Clinical Neurology, 7th ed, p141; Kandel et al., Principles of Neural Science, 3d ed, p846) Dysphasia, Wernicke,Receptive Aphasia,Sensory Aphasia,Wernicke Aphasia,Aphasia, Fluent,Aphasia, Jargon,Aphasia, Posterior,Aphasia, Psychosensory,Dysphasia, Fluent,Dysphasia, Receptive,Dysphasia, Sensory,Dysphasia, Wernicke's,Fluent Aphasia, Wernicke's,Aphasia, Receptive,Aphasia, Sensory,Aphasia, Wernicke's Fluent,Aphasias, Jargon,Aphasias, Posterior,Aphasias, Psychosensory,Aphasias, Wernicke,Dysphasia, Wernickes,Dysphasias, Fluent,Dysphasias, Receptive,Dysphasias, Sensory,Fluent Aphasia,Fluent Aphasia, Wernicke,Fluent Aphasia, Wernickes,Fluent Dysphasia,Fluent Dysphasias,Jargon Aphasia,Jargon Aphasias,Posterior Aphasia,Posterior Aphasias,Psychosensory Aphasia,Psychosensory Aphasias,Receptive Dysphasia,Receptive Dysphasias,Sensory Dysphasia,Sensory Dysphasias,Wernicke Aphasias,Wernicke Dysphasia,Wernicke's Dysphasia,Wernicke's Fluent Aphasia
D013702 Temporal Lobe Lower lateral part of the cerebral hemisphere responsible for auditory, olfactory, and semantic processing. It is located inferior to the lateral fissure and anterior to the OCCIPITAL LOBE. Anterior Temporal Lobe,Brodmann Area 20,Brodmann Area 21,Brodmann Area 22,Brodmann Area 37,Brodmann Area 38,Brodmann Area 52,Brodmann's Area 20,Brodmann's Area 21,Brodmann's Area 22,Brodmann's Area 37,Brodmann's Area 38,Brodmann's Area 52,Inferior Temporal Gyrus,Middle Temporal Gyrus,Parainsular Area,Fusiform Gyrus,Gyrus Fusiformis,Gyrus Temporalis Superior,Inferior Horn of Lateral Ventricle,Inferior Horn of the Lateral Ventricle,Lateral Occipito-Temporal Gyrus,Lateral Occipitotemporal Gyrus,Occipitotemporal Gyrus,Planum Polare,Superior Temporal Gyrus,Temporal Cortex,Temporal Gyrus,Temporal Horn,Temporal Horn of the Lateral Ventricle,Temporal Operculum,Temporal Region,Temporal Sulcus,Anterior Temporal Lobes,Area 20, Brodmann,Area 20, Brodmann's,Area 21, Brodmann,Area 21, Brodmann's,Area 22, Brodmann,Area 22, Brodmann's,Area 37, Brodmann,Area 37, Brodmann's,Area 38, Brodmann,Area 38, Brodmann's,Area 52, Brodmann,Area 52, Brodmann's,Area, Parainsular,Areas, Parainsular,Brodmanns Area 20,Brodmanns Area 21,Brodmanns Area 22,Brodmanns Area 37,Brodmanns Area 38,Brodmanns Area 52,Cortex, Temporal,Gyrus, Fusiform,Gyrus, Inferior Temporal,Gyrus, Lateral Occipito-Temporal,Gyrus, Lateral Occipitotemporal,Gyrus, Middle Temporal,Gyrus, Occipitotemporal,Gyrus, Superior Temporal,Gyrus, Temporal,Horn, Temporal,Lateral Occipito Temporal Gyrus,Lobe, Anterior Temporal,Lobe, Temporal,Occipito-Temporal Gyrus, Lateral,Occipitotemporal Gyrus, Lateral,Operculum, Temporal,Parainsular Areas,Region, Temporal,Sulcus, Temporal,Temporal Cortices,Temporal Gyrus, Inferior,Temporal Gyrus, Middle,Temporal Gyrus, Superior,Temporal Horns,Temporal Lobe, Anterior,Temporal Lobes,Temporal Lobes, Anterior,Temporal Regions
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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