High Order Linguistic Features Such as Ambiguity Processing as Relevant Diagnostic Markers for Schizophrenia

  • Ketteler D
  • Theodoridou A
  • Ketteler S
  • et al.
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Abstract

Due to the deficits of schizophrenic patients regarding the understanding of vague meanings (D. Ketteler and S. Ketteler (2010)) we develop a special test battery called HOLF (high order linguistic function test), which should be able to detect subtle linguistic performance deficits in schizophrenic patients. HOLF was presented to 40 schizophrenic patients and controls, focussing on linguistic features such as ambiguity, synonymy, hypero-/hyponymy, antinomy, and adages. Using the HOLF test battery we found that schizophrenic patients showed significant difficulties in discriminating ambiguities, hypero- and hyponymy, or synonymy compared to healthy controls. Antonyms and adages showed less significant results in comparing both groups. The more difficult a linguistic task was, the more confusion was measured in the schizophrenic group while healthy controls did not show significant problems in processing high order language tasks.

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Ketteler, D., Theodoridou, A., Ketteler, S., & Jäger, M. (2012). High Order Linguistic Features Such as Ambiguity Processing as Relevant Diagnostic Markers for Schizophrenia. Schizophrenia Research and Treatment, 2012, 1–7. https://doi.org/10.1155/2012/825050

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