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2016, International Journal of School and Cognitive Psychology
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4 pages
1 file
AI-generated Abstract
This mini-review explores the relationship between artistic expression, particularly music such as rap, and the understanding of formal thought disorders within psychiatry. Utilizing case studies from film and music, it illustrates the significance of thought processes when analyzing behavior that may mimic maladaptive tendencies associated with mental disorders. The paper argues for the incorporation of art into psychiatric education, emphasizing how these mediums can aid in grasping complex psychological concepts.
Journal of Psycholinguistic Research, 1995
We describe the development of a new system for categorizing thought disorder. In the development phase (Study 1), we examined the degree to which speech samples and definitions of thought disorder subtypes taken from: (1) the Scale for the Assessment of Thought, Language, and Communication (TLC); (2) the Thought Disorder lndex (TD1); and (3) the Assessment of Bizarre-Idiosyncratic Thinking (BIT), reflected disturbances in form versus disturbances in content. Ratings were provided by naive judges, experienced clinicians, and linguistic experts. The results contributed to the development of a new system dividing thought disorder into disturbances in (1)fluency, (2) discourse coherence, (3) content, and (4) social convention. In the validation phase (Study 2), 21 schizophrenic and 19 manic subjects were interviewed, interpreted proverbs, and responded to Rorschach cards. Subjects' speech was rated using the TLC, TDI, and BIT. We also measured hallucinations, delusions, and digit span performance. The results of Study 2 provided evidence supporting the validity of our new categorization system. Disturbances in thought and speech have long been a central focus for researchers interested in understanding the etiology of schizophrenia. As We wish to thank the following individuals for serving as our clinical and linguistic experts in Experiment 1:
Journal of Abnormal Psychology, 1985
The present study was designed to determine whether formal thought disorder is less or more heritable than the global diagnosis of schizophrenia, and to examine relations among formal thought disorder and psychiatric diagnosis, stage of illness, and severity of psychiatric history. Interviews recorded in the Gottesman-Shields twin series (17 pairs of identical twins, 14 pairs of fraternal same-sex twins, and 12 unpaired twins) were assessed for the presence and severity of formal thought disorder, using a modified version of the Scale for the Assessment of Thought, Language, and Communication Disorders. No evidence of genetic influence on thought disorder was found. A factor analysis of the thought disorder scales revealed two interpretable factors reflecting verbosity and discontinuities in the form of speech. Scales with high loadings on the verbosity factor showed signs of familial influence and were significantly correlated with severity of psychiatric history. Scales with high loadings on the discontinuity factor were associated with the florid psychotic phase of illness.
International journal of psychology and psychological therapy, 2015
This study present data from 300 unselected individuals who had completed the Formal Thought Disorder-Self Scale (FTD-S) (Study 1) and from a separate sample of over 150 unselected individuals who had completed the FTD-S and also had a relative or friend complete the Formal Thought Disorder-Other Scale (FTD-O) (Study 2). The questionnaire, originally devised to measure self-ratings of thought disorder in clinical samples, was adapted from a yes-no questionnaire to a 4 point Likert format, to more sensitively determine the extent to which such characteristics may be reported amongst the healthy population. Principal Components Analysis of the FTD-S scale suggested a three-component solution for which we proposed the nomenclature of: odd speech, conversational ability and working memory deficit. Study 2 found that the FTD-S (self-report) and the FTD-O (other rated) reached a significant but low correlation (r= .29; p <0.01); these findings are discussed in terms of its significance for self-report of Formal Thought Disorder and proneness to psychosis.
BJPsych open, 2017
Formal thought disorder is a cardinal feature of psychosis. However, the extent to which formal thought disorder is evident in ultra-high-risk individuals and whether it is linked to the progression to psychosis remains unclear. Examine the severity of formal thought disorder in ultra-high-risk participants and its association with future psychosis. The Thought and Language Index (TLI) was used to assess 24 ultra-high-risk participants, 16 people with first-episode psychosis and 13 healthy controls. Ultra-high-risk individuals were followed up for a mean duration of 7 years (s.d.=1.5) to determine the relationship between formal thought disorder at baseline and transition to psychosis. TLI scores were significantly greater in the ultra-high-risk group compared with the healthy control group (effect size (ES)=1.2), but lower than in people with first-episode psychosis (ES=0.8). Total and negative TLI scores were higher in ultra-high-risk individuals who developed psychosis, but this ...
Tucker 1998). These trends are at odds, however, with what is widely regarded as the best research on thought disorder in psychosis: Holzman et al's (1986) investigations using the TDI: Thought Disorder Index, which does show distinctive signatures of schizophrenic-vs-schizoaffective-vs-manic patients, albeit with fuzzy boundaries (Hart&Lewine this issue).
BJPsych Advances, 2017
SummaryWe review thought disorder in psychopathology, including how one can assess it clinically, useful psychometric measures and its clinical importance. In the final section we discuss how recent studies in neuropsychology and neuroimaging have helped understand the mechanisms of abnormal speech and languages in psychotic illnesses.
Schizophrenia bulletin, 2014
Background: Authors of the Diagnostic and Statistical Manual, Fifth Edition (DSM-V) have recommended to "integrate dimensions into clinical practice." The epidemiology and associated phenomenology of formal thought disorder (FTD) have been described but not reviewed. We aimed to carry out a systematic review of FTD to this end. Methods: A systematic review of FTD literature, from 1978 to 2013, using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Results: A total of 881 abstracts were reviewed and 120 articles met inclusion criteria; articles describing FTD factor structure (n = 15), prevalence and longitudinal course (n = 41), role in diagnosis (n = 22), associated clinical variables (n = 56), and influence on outcome (n = 35) were included. Prevalence estimates for FTD in psychosis range from 5% to 91%. Dividing FTD into domains, by factor analysis, can accurately identify 91% of psychotic diagnoses. FTD is associated with increase...
Neurocase, 2002
It has been suggested that formal thought disorder, the incoherent speech of schizophrenia, may involve a language disturbance among other abnormalities, or even be a form of dysphasia. Six patients with and seven without formal thought disorder were evaluated on an aphasia test battery. Spontaneous speech was also analysed using Brief Syntactic Analysis. Poor performance on the aphasia test battery was found to be associated with general intellectual impairment but not with formal thought disorder. Naming was preserved in both groups. Patients with formal thought disorder, but not those without, produced semantic errors in their spontaneous speech, and these were unrelated to general intellectual status. The disorder of language in formal thought disorder thus appears to be one of expressive semantic abnormality, which, however, spares naming. Further analysis of two intellectually preserved patients suggested that formal thought disorder may be associated with an additional difficulty in constructing an appropriate model for generating one&#39;s own speech.
The British Journal of Psychiatry, 1981
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