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Spontaneous speech in senile dementia and aphasia: Implications for a neurolinguistic model of language production
We analyzed spontaneous speech production in semi-standardized interviews conducted with 10 patients suffering from moderate senile dementia of the Alzheimer type (SDAT), 5 Wernicke's aphasics, and 5 elderly controls without brain damage. Data analysis revealed in both patient groups a reductio...
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Published in: | Cognition 1987-12, Vol.27 (3), p.247-274 |
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description | We analyzed spontaneous speech production in semi-standardized interviews conducted with 10 patients suffering from moderate senile dementia of the Alzheimer type (SDAT), 5 Wernicke's aphasics, and 5 elderly controls without brain damage. Data analysis revealed in both patient groups a reduction of sentence length but absence of systematic paragrammatic symptoms on the part of the demented patients. A relatively selectively diminished use of nouns was striking in the production of both patient groups, whereas word finding ability was surprisingly well preserved in the SDAT patients. Both patient groups exhibited marked deficits but different patterns of pathological behaviour on the discourse level of responding to the interviewer's questions. Results are interpreted within a proposed neurolinguistic language production model. It is argued that the formulation process may be preserved in demented patients but is disturbed in aphasia. Language-related disturbances in senile dementia are assumed to result from pre-linguistic disorders in the formation of the conceptual structure of the intended speech act.
Nous avons analysé des phrases produites spontanément au cours d'interviews semi-standardisées par dix patients souffrant d'une démence sénile modérée de type Alzheimer, cinq aphasiques de Wernicke et cinq sujets contrôles âgés mais sans atteinte cérébrale. L'analyse a révélé chez les deux groupes de patients une réduction de la longueur des phrases, mais l'absence de symptomes paragrammaticaux systématiques chez les déments séniles. Dans les productions des deux types de patients, l'usage des noms était dénoncée de façon relativement sélective, alors que la capacité de trouver les mots était étonnamment préservée chez les Alzheimer. Les deux groupes ont montré des déficits marqués, mais des comportements pathologiques différents, dans leurs réponses aux questions de l'examinateur. Les résultats sont interprétés dans le cadre d'un modèle neurolinguistique de production du langage. Nous pensons que le processus de formulation peut être préservé chez les déments séniles, mais qu'il est atteint dans l'aphasie. Les désordres du langage observés chez les déments séniles résulteraient de troubles pré-linguistiques dans la formation de la structure conceptuelle de l'acte de parole. |
doi_str_mv | 10.1016/S0010-0277(87)80011-2 |
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Nous avons analysé des phrases produites spontanément au cours d'interviews semi-standardisées par dix patients souffrant d'une démence sénile modérée de type Alzheimer, cinq aphasiques de Wernicke et cinq sujets contrôles âgés mais sans atteinte cérébrale. L'analyse a révélé chez les deux groupes de patients une réduction de la longueur des phrases, mais l'absence de symptomes paragrammaticaux systématiques chez les déments séniles. Dans les productions des deux types de patients, l'usage des noms était dénoncée de façon relativement sélective, alors que la capacité de trouver les mots était étonnamment préservée chez les Alzheimer. Les deux groupes ont montré des déficits marqués, mais des comportements pathologiques différents, dans leurs réponses aux questions de l'examinateur. Les résultats sont interprétés dans le cadre d'un modèle neurolinguistique de production du langage. Nous pensons que le processus de formulation peut être préservé chez les déments séniles, mais qu'il est atteint dans l'aphasie. Les désordres du langage observés chez les déments séniles résulteraient de troubles pré-linguistiques dans la formation de la structure conceptuelle de l'acte de parole.</description><identifier>ISSN: 0010-0277</identifier><identifier>EISSN: 1873-7838</identifier><identifier>DOI: 10.1016/S0010-0277(87)80011-2</identifier><identifier>PMID: 3691027</identifier><identifier>CODEN: CGTNAU</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Adult and adolescent clinical studies ; Aged ; Aged, 80 and over ; Alzheimer Disease - psychology ; Aphasia - psychology ; Aphasia, Wernicke - psychology ; Biological and medical sciences ; Communication disorders ; Female ; Humans ; Intellectual deficiency ; Linguistics ; Male ; Medical sciences ; Middle Aged ; Models, Psychological ; Pathology of language ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. Psychiatry ; Semantics ; Speech</subject><ispartof>Cognition, 1987-12, Vol.27 (3), p.247-274</ispartof><rights>1987 Elsevier Science Publishers B.V. All rights reserved</rights><rights>1988 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c532t-285e392b2e84bdc44b5fc2ed232d6f46f1ce665efb942ff19717977c6cc72a33</citedby><cites>FETCH-LOGICAL-c532t-285e392b2e84bdc44b5fc2ed232d6f46f1ce665efb942ff19717977c6cc72a33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925,31270</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=11969898$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7454901$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3691027$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Blanken, Gerhard</creatorcontrib><creatorcontrib>Dittmann, Jürgen</creatorcontrib><creatorcontrib>Haas, J.-Christian</creatorcontrib><creatorcontrib>Wallesch, Claus-W.</creatorcontrib><title>Spontaneous speech in senile dementia and aphasia: Implications for a neurolinguistic model of language production</title><title>Cognition</title><addtitle>Cognition</addtitle><description>We analyzed spontaneous speech production in semi-standardized interviews conducted with 10 patients suffering from moderate senile dementia of the Alzheimer type (SDAT), 5 Wernicke's aphasics, and 5 elderly controls without brain damage. Data analysis revealed in both patient groups a reduction of sentence length but absence of systematic paragrammatic symptoms on the part of the demented patients. A relatively selectively diminished use of nouns was striking in the production of both patient groups, whereas word finding ability was surprisingly well preserved in the SDAT patients. Both patient groups exhibited marked deficits but different patterns of pathological behaviour on the discourse level of responding to the interviewer's questions. Results are interpreted within a proposed neurolinguistic language production model. It is argued that the formulation process may be preserved in demented patients but is disturbed in aphasia. Language-related disturbances in senile dementia are assumed to result from pre-linguistic disorders in the formation of the conceptual structure of the intended speech act.
Nous avons analysé des phrases produites spontanément au cours d'interviews semi-standardisées par dix patients souffrant d'une démence sénile modérée de type Alzheimer, cinq aphasiques de Wernicke et cinq sujets contrôles âgés mais sans atteinte cérébrale. L'analyse a révélé chez les deux groupes de patients une réduction de la longueur des phrases, mais l'absence de symptomes paragrammaticaux systématiques chez les déments séniles. Dans les productions des deux types de patients, l'usage des noms était dénoncée de façon relativement sélective, alors que la capacité de trouver les mots était étonnamment préservée chez les Alzheimer. Les deux groupes ont montré des déficits marqués, mais des comportements pathologiques différents, dans leurs réponses aux questions de l'examinateur. Les résultats sont interprétés dans le cadre d'un modèle neurolinguistique de production du langage. Nous pensons que le processus de formulation peut être préservé chez les déments séniles, mais qu'il est atteint dans l'aphasie. Les désordres du langage observés chez les déments séniles résulteraient de troubles pré-linguistiques dans la formation de la structure conceptuelle de l'acte de parole.</description><subject>Adult and adolescent clinical studies</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Alzheimer Disease - psychology</subject><subject>Aphasia - psychology</subject><subject>Aphasia, Wernicke - psychology</subject><subject>Biological and medical sciences</subject><subject>Communication disorders</subject><subject>Female</subject><subject>Humans</subject><subject>Intellectual deficiency</subject><subject>Linguistics</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Models, Psychological</subject><subject>Pathology of language</subject><subject>Psychology. Psychoanalysis. 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Data analysis revealed in both patient groups a reduction of sentence length but absence of systematic paragrammatic symptoms on the part of the demented patients. A relatively selectively diminished use of nouns was striking in the production of both patient groups, whereas word finding ability was surprisingly well preserved in the SDAT patients. Both patient groups exhibited marked deficits but different patterns of pathological behaviour on the discourse level of responding to the interviewer's questions. Results are interpreted within a proposed neurolinguistic language production model. It is argued that the formulation process may be preserved in demented patients but is disturbed in aphasia. Language-related disturbances in senile dementia are assumed to result from pre-linguistic disorders in the formation of the conceptual structure of the intended speech act.
Nous avons analysé des phrases produites spontanément au cours d'interviews semi-standardisées par dix patients souffrant d'une démence sénile modérée de type Alzheimer, cinq aphasiques de Wernicke et cinq sujets contrôles âgés mais sans atteinte cérébrale. L'analyse a révélé chez les deux groupes de patients une réduction de la longueur des phrases, mais l'absence de symptomes paragrammaticaux systématiques chez les déments séniles. Dans les productions des deux types de patients, l'usage des noms était dénoncée de façon relativement sélective, alors que la capacité de trouver les mots était étonnamment préservée chez les Alzheimer. Les deux groupes ont montré des déficits marqués, mais des comportements pathologiques différents, dans leurs réponses aux questions de l'examinateur. Les résultats sont interprétés dans le cadre d'un modèle neurolinguistique de production du langage. Nous pensons que le processus de formulation peut être préservé chez les déments séniles, mais qu'il est atteint dans l'aphasie. Les désordres du langage observés chez les déments séniles résulteraient de troubles pré-linguistiques dans la formation de la structure conceptuelle de l'acte de parole.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>3691027</pmid><doi>10.1016/S0010-0277(87)80011-2</doi><tpages>28</tpages></addata></record> |
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subjects | Adult and adolescent clinical studies Aged Aged, 80 and over Alzheimer Disease - psychology Aphasia - psychology Aphasia, Wernicke - psychology Biological and medical sciences Communication disorders Female Humans Intellectual deficiency Linguistics Male Medical sciences Middle Aged Models, Psychological Pathology of language Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Semantics Speech |
title | Spontaneous speech in senile dementia and aphasia: Implications for a neurolinguistic model of language production |
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