Metaphor comprehension deficit in schizophrenia with reference to the hypothesis of abnormal lateralization and right hemisphere dysfunction

Chakrabarty, Madhushree; Sarkar, Sharmila; Chatterjee, Amita; Ghosal, Malay Kumar; Guha, Prathama; Deogaonkar, Milind

doi:10.1016/j.langsci.2014.01.002

Cited by 14 publications

(22 citation statements)

References 103 publications

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“…Regardless of SUD status, the schizophrenia patients showed an impaired ability to interpret and explain metaphors. These results are in-line with previous research using other measurement tools for the assessment of metaphor processing (12,14,53,54). Our results are similar to the findings of Bambini et al (55), which revealed that SZ patients have difficulty with three types of figurative language tasks: idioms, metaphors, and proverbs.…”

Section: Discussionsupporting

confidence: 93%

“…SZ patients have more difficulty understanding conventional metaphors than do healthy individuals (1,(12)(13)(14); they exhibit difficulty giving verbal explanations of metaphors and make a significantly higher number of literal incorrect (giving the literal meaning of words) and abstract incorrect (giving an answer that is abstract, but not in line with the meaning of the metaphor) errors than individuals without SZ (15). A study by Mossaheb et al (16) showed that processing metaphors may be related to processing speed, cognitive flexibility, and a range of intelligence quotient (IQ) subtests.…”

Section: Introductionmentioning

confidence: 99%

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Metaphor Processing Dysfunctions in Schizophrenia Patients With and Without Substance Use Disorders

et al. 2020

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Background: Patients with schizophrenia have difficulties comprehending metaphors, which significantly impedes communication. However, this topic has not been thoroughly studied in people with a dual diagnosis. On this basis, we formulated two research aims: a) to compare the ability to comprehend metaphors in schizophrenia patients without (SZ) and with substance use disorder (SZ-SUD) and b) to determine the relationship between the processing of metaphorical content and the severity of psychopathological symptoms in both clinical groups. Methods: A total of 40 individuals with SZ and 40 individuals with SZ-SUD took part in the study. The control group was composed of 40 individuals without a psychiatric or neurological diagnosis. Four subtests from the Right Hemisphere Language Battery (Picture Metaphor Test, Written Metaphor Test, Picture Metaphor Explanation Test, Written Metaphor Explanation Test) were used to measure the ability to understand and explain metaphors. Results: Both groups of individuals with schizophrenia (SZ and SZ-SUD) scored lower than individuals from the control group on all tests of metaphor processing. However, no differences were observed between the two clinical groups. SZ-SUD patients had better results for Picture Metaphor Explanation than for Written Metaphor Explanation. Negative symptoms were found to be significant predictors of difficulties with understanding and explaining metaphors. Conclusion: Individuals with schizophrenia, regardless of their substance use disorder (SUD) status, exhibit impaired metaphorical content processing. SUD in schizophrenia is not associated with significant impairments in understanding and explaining metaphorical content. Moreover, impairments in processing metaphorical content are associated with more severe negative symptoms of schizophrenia.

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Section: Discussionsupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Metaphor Processing Dysfunctions in Schizophrenia Patients With and Without Substance Use Disorders

et al. 2020

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“…Therefore, presenting metaphors with little or no context creates an artificial situation and may obscure the individual's ability to interpret a metaphorical expression. A number of studies on figurative language in individuals with TD as well as clinical populations (i.e., schizophrenia) suggest that the presence of a supportive context can significantly facilitate access to nonliteral meaning (Chakrabarty et al, 2014;Pouscoulous, 2011Pouscoulous, , 2014. In line with this, event-related brain potential studies have shown that, in the earlier phases of processing, higher integration efforts are required for metaphoric expressions presented in minimal context compared to supportive context (Bambini, Bertini, Schaeken, Stella, & Di Russo, 2016).…”

Section: Linguistic Contextmentioning

confidence: 90%

A systematic review and meta-analysis of studies on metaphor comprehension in individuals with autism spectrum disorder: Do task properties matter?

Kalandadze

Bambini

Naess

2019

Applied Psycholinguistics

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Individuals with autism spectrum disorder (ASD) often experience difficulty in comprehending metaphors compared to individuals with typical development (TD). However, there is a large variation in the results across studies, possibly related to the properties of the metaphor tasks. This preregistered systematic review and meta-analysis (a) explored the properties of the metaphor tasks used in ASD research, and (b) investigated the group difference between individuals with ASD and TD on metaphor comprehension, as well as the relationship between the task properties and any between-study variation. A systematic search was undertaken in seven relevant databases. Fourteen studies fulfilled our predetermined inclusion criteria. Across tasks, we detected four types of response format and a great variety of metaphors in terms of familiarity, syntactic structure, and linguistic context. Individuals with TD outperformed individuals with ASD on metaphor comprehension (Hedges’ g = −0.63). Verbal explanation response format was utilized in the study showing the largest effect size in the group comparison. However, due to the sparse experimental manipulations, the role of task properties could not be established. Future studies should consider and report task properties to determine their role in metaphor comprehension, and to inform experimental paradigms as well as educational assessment.

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“…In both tests, schizophrenia patients showed impairment, however, with a more pronounced difference for conventional metaphors. In a study in Bengali, Chakrabarty et al ( 2014 ) found decreased performance for both conventional and novel metaphors in patients with schizophrenia. In a study with 19 schizophrenia patients and 19 control subjects, Varga et al ( 2014 ) investigated the comprehension of novel and conventional Hungarian metaphors using a verbal explanation task (Drury et al, 1998 ) and found a possible role of IQ to associate with comprehension.…”

Section: Introductionmentioning

confidence: 99%

The Comprehension of Familiar and Novel Metaphoric Meanings in Schizophrenia: A Pilot Study

et al. 2018

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Miscomprehension of nonliteral (“figurative”) language like metaphors, proverbs, idioms, and ironic expressions by patients with schizophrenia is a phenomenon mentioned already in historical psychiatric descriptions. However, it was only recently that studies did differentiate between novel and conventional metaphors, a factor that is known to influence the difficulty of comprehension in healthy subjects. Further, familiarity with stimuli is an important factor for comprehension, which was not recommended in utmost previous studies. In this study, 23 patients with DSM IV schizophrenia and 19 healthy control subjects performed a newly-developed German metaphor comprehension test with three types of stimuli: novel metaphors, conventional German metaphors, and meaningless statements. During the test procedure, participants indicated familiarity with the stimulus and then matched the meaning with one out of four given alternatives. Familiarity rankings did not significantly differ between patients and control subjects. However, on descriptive level, there was a tendency for healthy controls to be more familiar with conventional metaphors than schizophrenic patients. Further, comprehension of conventional and novel metaphors differed significantly between the groups, with higher performance in healthy controls. Considering only those metaphors that had been ranked as familiar, patients only revealed significant lower performance opposed to controls regarding novel metaphors, while they did not differ in conventional metaphors. Taken together, the results indicate that patients with schizophrenia might show an altered way of comprehension in novel metaphors, leading to more misunderstandings. However, their previously reported impairments in conventional metaphors might rather be due to a lack of familiarity with the stimuli—making conventional metaphors to novel metaphors in the individual case.

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Metaphor comprehension deficit in schizophrenia with reference to the hypothesis of abnormal lateralization and right hemisphere dysfunction

Cited by 14 publications

References 103 publications

Metaphor Processing Dysfunctions in Schizophrenia Patients With and Without Substance Use Disorders

Metaphor Processing Dysfunctions in Schizophrenia Patients With and Without Substance Use Disorders

A systematic review and meta-analysis of studies on metaphor comprehension in individuals with autism spectrum disorder: Do task properties matter?

The Comprehension of Familiar and Novel Metaphoric Meanings in Schizophrenia: A Pilot Study

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