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Language in schizophrenia and aphasia: the relationship with non-verbal cognition and thought disorder.

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Title: Language in schizophrenia and aphasia: the relationship with non-verbal cognition and thought disorder.
Authors: Little, Bethany (AUTHOR), Gallagher, Peter (AUTHOR), Zimmerer, Vitor (AUTHOR), Varley, Rosemary (AUTHOR), Douglas, Maggie (AUTHOR), Spencer, Helen (AUTHOR), Çokal, Derya (AUTHOR), Deamer, Felicity (AUTHOR), Turkington, Douglas (AUTHOR), Ferrier, I. Nicol (AUTHOR), Hinzen, Wolfram (AUTHOR), Watson, Stuart (AUTHOR)
Source: Cognitive Neuropsychiatry. Nov2019, Vol. 24 Issue 6, p389-405. 17p. 3 Charts, 2 Graphs.
Subjects: Cognition disorders, Aphasia, Language disorders, Schizophrenia, Standardized tests, Native language
Abstract: Objective: To determine the relationship between language abnormalities and broader cognitive impairment and thought disorder by examining language and cognition in schizophrenia and aphasia (a primary language disorder). Methods: Cognitive and linguistic profiles were measured with a battery of standardised tests, and compared in a clinical population of n = 50 (n = 30 with schizophrenia and n = 20 with aphasia) and n = 61 non-clinical comparisons (n = 45 healthy controls and n = 16 non-affected first-degree relatives of patients with schizophrenia). Results: Both clinical groups showed linguistic deficits. Verbal impairment was more severe in participants with aphasia, whereas non-verbal performance was more affected in participants with schizophrenia. In schizophrenia, but not in aphasia, verbal and non-verbal performance were associated. Formal thought disorder was associated with impairment in executive function and in grammatical, but not naming, tasks. Conclusion: While patients with schizophrenia and aphasia showed language impairments, the nature and cognitive basis of these impairments may be different; language performance disassociates from broader cognitive functioning in aphasia but may be an intrinsic expression of a broader cognitive impairment in schizophrenia. Thought disorder may represent a core malfunction of grammatical processing. Results suggests that communicative ability may be a valid target in cognitive remediation strategies in schizophrenia. [ABSTRACT FROM AUTHOR]
Copyright of Cognitive Neuropsychiatry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Language in schizophrenia and aphasia: the relationship with non-verbal cognition and thought disorder.
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  Data: <searchLink fieldCode="AR" term="%22Little%2C+Bethany%22">Little, Bethany</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gallagher%2C+Peter%22">Gallagher, Peter</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zimmerer%2C+Vitor%22">Zimmerer, Vitor</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Varley%2C+Rosemary%22">Varley, Rosemary</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Douglas%2C+Maggie%22">Douglas, Maggie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Spencer%2C+Helen%22">Spencer, Helen</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Çokal%2C+Derya%22">Çokal, Derya</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deamer%2C+Felicity%22">Deamer, Felicity</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Turkington%2C+Douglas%22">Turkington, Douglas</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ferrier%2C+I%2E+Nicol%22">Ferrier, I. Nicol</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hinzen%2C+Wolfram%22">Hinzen, Wolfram</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Watson%2C+Stuart%22">Watson, Stuart</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Cognitive+Neuropsychiatry%22">Cognitive Neuropsychiatry</searchLink>. Nov2019, Vol. 24 Issue 6, p389-405. 17p. 3 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Cognition+disorders%22">Cognition disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Aphasia%22">Aphasia</searchLink><br /><searchLink fieldCode="DE" term="%22Language+disorders%22">Language disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Schizophrenia%22">Schizophrenia</searchLink><br /><searchLink fieldCode="DE" term="%22Standardized+tests%22">Standardized tests</searchLink><br /><searchLink fieldCode="DE" term="%22Native+language%22">Native language</searchLink>
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  Data: Objective: To determine the relationship between language abnormalities and broader cognitive impairment and thought disorder by examining language and cognition in schizophrenia and aphasia (a primary language disorder). Methods: Cognitive and linguistic profiles were measured with a battery of standardised tests, and compared in a clinical population of n = 50 (n = 30 with schizophrenia and n = 20 with aphasia) and n = 61 non-clinical comparisons (n = 45 healthy controls and n = 16 non-affected first-degree relatives of patients with schizophrenia). Results: Both clinical groups showed linguistic deficits. Verbal impairment was more severe in participants with aphasia, whereas non-verbal performance was more affected in participants with schizophrenia. In schizophrenia, but not in aphasia, verbal and non-verbal performance were associated. Formal thought disorder was associated with impairment in executive function and in grammatical, but not naming, tasks. Conclusion: While patients with schizophrenia and aphasia showed language impairments, the nature and cognitive basis of these impairments may be different; language performance disassociates from broader cognitive functioning in aphasia but may be an intrinsic expression of a broader cognitive impairment in schizophrenia. Thought disorder may represent a core malfunction of grammatical processing. Results suggests that communicative ability may be a valid target in cognitive remediation strategies in schizophrenia. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Cognitive Neuropsychiatry is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/13546805.2019.1668758
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              Text: Nov2019
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