Abstract
Eighty patients and thirty controls were interviewed using one interview that promoted personal disclosure and another about everyday topics. Speech was scored using the Thought, Language and Communication scale (TLC). All participants completed the Self-Concept Clarity Scale (SCCS) and the Varieties of Inner Speech Questionnaire (VISQ). Patients scored lower than comparisons on the SCCS. Low scores were associated the disorganized dimension of TD. Patients also scored significantly higher on condensed and other people in inner speech, but not on dialogical or evaluative inner speech. The poverty of speech dimension of TD was associated with less dialogical inner speech, other people in inner speech, and less evaluative inner speech. Hallucinations were significantly associated with more other people in inner speech and evaluative inner speech. Clarity of self-concept and qualities of inner speech are differentially associated with dimensions of TD. The findings also support inner speech models of hallucinations.
Highlights
The primary goal of the present study was to explore associations between clarity of self-concept, self-reported inner speech, and Thought disorder (TD)
Poor self-concept clarity was modestly associated with low scores on all of the inner speech dimensions
This finding is consistent with the suggestion by some theorists that the quality of inner speech contributes to self-knowledge and the coherence of the self-concept (Morin and Everett, 1990; Morin, 2007)
Summary
80 clinical participants who were experiencing psychotic symptoms (see Table 1) from local mental health sites across the North West of England. TD The speech samples were rated using the Scale for the Assessment of Thought, Language and Communication (TLC, Andreasen, 1986), a widely used scale that provides definitions and scores for 18 different items of TD (see Table 2) and has been supported by researchers in the field (Roche et al, 2015). Participants in the clinical group were interviewed with the PANSS (Kay et al, 1987) whereas controls were screened with the PSQ (Bebbington and Nayani, 1995). After these assessments, participants completed the QT before being interviewed. The cut-off criterion for the factors was eigenvalues greater than 1
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