Word and nonword repetition in patients with Schizophrenia

Farnam, Alireza; Jahan, Ali; Shirzadi, Maryam; Farhang, Sara

doi:10.15171/jarcm.2015.028

Cited by 1 publication

(1 citation statement)

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“…In parallel, several studies have reported schizophrenia-related reading deficits (Whitford et al, 2018), including those implicated in diglossia, such as impaired phonological awareness (Revheim et al, 2006). Similarly, diglossia and schizophrenia have both been separately associated with the reduced ability in performing word and nonword repetition tasks (Farnam et al, 2015;Saiegh-Haddad and Ghawi-Dakwar, 2017), implying a common deficit in verbal working memory. A working memory dysfunction is proposed to be a fundamental impairment leading to thought disorder in schizophrenia (Deserno et al, 2012;Goldman-Rakic, 1994).…”

Section: Diglossia and Language Developmentmentioning

confidence: 97%

Diglossia in the Etiology of Schizophrenia

2019

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A hypothesis offering diglossia as a potential risk factor for schizophrenia is presented. This is supported primarily by an account of the numerous co-occurrences between the diglossic phenomenon and the established risk factors and features of schizophrenia, such as language impairment, working memory dysfunction, social adversity, urbanicity, migration and ethnicity, as well as some of the broader educational elements including illiteracy, reading deficits and poor academic attainment. With an emphasis on the inherent role of language in schizophrenia and the demand for elucidating a mechanism behind its risk factors, we propose that a diglossic environment in childhood may constitute a neurodevelopmental insult predisposing to the development of the disorder. This relationship may be mediated by the reduced lateralization of language in the brain which has been observed in relation to schizophrenia.

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