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Functional MRI of sentence-level language comprehension in schizophrenia: a coordinate-based analysis.

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.schres.2013.07.019 Byline: Alexander M. Rapp, Anne E. Steinhauser Abstract: Numerous authors have hypothesised that abnormal pathways for language play a key role in the pathophysiology of schizophrenia, a not... Full description

Journal Title: Schizophrenia research October 2013, Vol.150(1), pp.107-113
Main Author: Rapp, Alexander M
Other Authors: Steinhäuser, Anne E
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1573-2509 ; DOI: 10.1016/j.schres.2013.07.019
Link: http://search.proquest.com/docview/1433513562/?pq-origsite=primo
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title: Functional MRI of sentence-level language comprehension in schizophrenia: a coordinate-based analysis.
format: Article
creator:
  • Rapp, Alexander M
  • Steinhäuser, Anne E
subjects:
  • Brain–Blood Supply
  • Brain Mapping–Physiology
  • Comprehension–Statistics & Numerical Data
  • Databases, Bibliographic–Etiology
  • Female–Complications
  • Functional Laterality–Pathology
  • Humans–Pathology
  • Image Processing, Computer-Assisted–Pathology
  • Language Disorders–Pathology
  • Magnetic Resonance Imaging–Pathology
  • Male–Pathology
  • Oxygen–Pathology
  • Schizophrenia–Pathology
  • Semantics–Pathology
  • Oxygen
  • Auditory Verbal Hallucinations
  • Hayling Task
  • Laterality
  • Lateralization
  • Prefrontal
  • Temporal
  • Thought Disorder
ispartof: Schizophrenia research, October 2013, Vol.150(1), pp.107-113
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.schres.2013.07.019 Byline: Alexander M. Rapp, Anne E. Steinhauser Abstract: Numerous authors have hypothesised that abnormal pathways for language play a key role in the pathophysiology of schizophrenia, a notion that is supported by structural imaging and post-mortem findings especially in patients with thought disorder and auditory verbal hallucinations. Recently, an increasing number of functional magnetic resonance imaging (fMRI) investigations addressed language comprehension schizophrenia. We present a systematic review of the fMRI-studies on sentence- and text-level language comprehension in schizophrenia. 13 studies met the inclusion criteria. Additional studies specifically addressed language lateralization. Coordinates for differential contrasts for healthy controlspatients reported in these studies indicate that the left fronto-temporal language network is altered in schizophrenia. 33 out of the 51 reported coordinates are located in the left hemisphere. Overactivation in schizophrenia extends into premotor areas and is about equally divided among the left and right hemispheres. Several negative studies indicate heterogeneity within schizophrenia, which could possibly be related to the severity of thought disorder or auditory verbal hallucinations of patients. Activation changes related to thought disorder within schizophrenia (n=4 studies) include the inferior frontal and superior temporal gyri and are moderately lateralized to the left hemisphere. Although current fMRI literature is still insufficient to draw decisive conclusions, results point towards functionally altered pathways for language in schizophrenia. This notion is also plausible from the viewpoint of psychopathology especially since hallmark symptoms of the disease, thought disorder, auditory verbal hallucinations and alogia, are expressed in terms of language or represent abnormalities of language function. Article History: Received 27 December 2012; Revised 18 June 2013; Accepted 6 July 2013
language: eng
source:
identifier: E-ISSN: 1573-2509 ; DOI: 10.1016/j.schres.2013.07.019
fulltext: fulltext
issn:
  • 15732509
  • 1573-2509
url: Link


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subjectBrain–Blood Supply ; Brain Mapping–Physiology ; Comprehension–Statistics & Numerical Data ; Databases, Bibliographic–Etiology ; Female–Complications ; Functional Laterality–Pathology ; Humans–Pathology ; Image Processing, Computer-Assisted–Pathology ; Language Disorders–Pathology ; Magnetic Resonance Imaging–Pathology ; Male–Pathology ; Oxygen–Pathology ; Schizophrenia–Pathology ; Semantics–Pathology ; Oxygen ; Auditory Verbal Hallucinations ; Hayling Task ; Laterality ; Lateralization ; Prefrontal ; Temporal ; Thought Disorder
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