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Common Taxonomy of Traits and Symptoms: Linking Schizophrenia Symptoms, Schizotypy, and Normal Personality

Published on Feb 9, 2019in Schizophrenia Bulletin 7.29
· DOI :10.1093/schbul/sbz005
David C. Cicero15
Estimated H-index: 15
(U.H.: University of Hawaii at Manoa),
Katherine G. Jonas4
Estimated H-index: 4
(SBU: Stony Brook University)
+ 2 AuthorsRoman Kotov36
Estimated H-index: 36
(SBU: Stony Brook University)
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References135
Newest
Published on Oct 15, 2018in Schizophrenia Bulletin 7.29
Eduardo Fonseca-Pedrero20
Estimated H-index: 20
(UR: University of La Rioja),
Javier Ortuño2
Estimated H-index: 2
(UR: University of La Rioja)
+ 30 AuthorsThomas Richard Kwapil40
Estimated H-index: 40
(UNCG: University of North Carolina at Greensboro)
Elucidating schizotypal traits is important if we are to understand the various manifestations of psychosis spectrum liability and to reliably identify individuals at high risk for psychosis. The present study examined the network structures of (1) 9 schizotypal personality domains and (2) 74 individual schizotypal items, and (3) explored whether networks differed across gender and culture (North America vs China). The study was conducted in a sample of 27001 participants from 12 countries and 2...
Published on Jun 1, 2018in Psychiatry Research-neuroimaging 2.21
Madeline Johnson Pflum7
Estimated H-index: 7
(UW: University of Wisconsin-Madison),
Diane C. Gooding28
Estimated H-index: 28
(UW: University of Wisconsin-Madison)
Abstract Patients with schizophrenia show performance deficits on tasks requiring empathy-related social cognition. The extent to which empathy impairments are observed in psychometric schizotypy is unclear. We compared accuracy and reaction time in three groups of individuals characterized by positive schizotypy ( n = 79), negative schizotypy ( n = 123), or low schizotypy group ( n = 137). On a social cognition task that provided context, namely, the Emotion Perspective Taking Task, the positiv...
Published on Apr 1, 2018in Schizophrenia Bulletin 7.29
Matthias Kirschner9
Estimated H-index: 9
(UZH: University of Zurich),
Amelie Haugg1
Estimated H-index: 1
(UZH: University of Zurich)
+ 3 AuthorsS. Kaiser35
Estimated H-index: 35
Published on Mar 21, 2018in American Journal of Psychiatry 13.65
Nikolai Czajkowski17
Estimated H-index: 17
(University of Oslo),
Steven H. Aggen35
Estimated H-index: 35
(University of Oslo)
+ 7 AuthorsTed Reichborn-Kjennerud16
Estimated H-index: 16
(University of Oslo)
Objective:Both normative personality and DSM-IV personality disorders have been found to be heritable. However, there is limited knowledge about the extent to which the genetic and environmental influences underlying DSM personality disorders are shared with those of normative personality. The aims of this study were to assess the phenotypic similarity between normative and pathological personality and to investigate the extent to which genetic and environmental influences underlying individual ...
Published on Feb 15, 2018in Schizophrenia Bulletin 7.29
Kristin M. Healey8
Estimated H-index: 8
(UNC: University of North Carolina at Chapel Hill),
David L. Penn63
Estimated H-index: 63
(ACU: Australian Catholic University)
+ 3 AuthorsJean Addington69
Estimated H-index: 69
(U of C: University of Calgary)
Published on Dec 1, 2017in Schizophrenia Research 4.57
A. Elahi1
Estimated H-index: 1
(University of Liverpool),
G. Perez Algorta2
Estimated H-index: 2
(Centre for Mental Health)
+ 2 AuthorsRichard Balon61
Estimated H-index: 61
(University of Liverpool)
Abstract Background There is widespread interest in whether psychosis exists on a continuum with healthy functioning. Previous research has implied that paranoia, a common symptom of psychosis, exists on a continuum but this has not been investigated using samples including both patients and non-patients and up-to-date taxometric methods. Aim To assess the latent structure of paranoia in a diverse sample using taxometric methods. Method We obtained data from 2836 participants, including the gene...
Published on Nov 1, 2017in Schizophrenia Research 4.57
Eduardo Fonseca-Pedrero20
Estimated H-index: 20
(UR: University of La Rioja),
Javier Ortuño-Sierra11
Estimated H-index: 11
(UR: University of La Rioja)
+ 31 AuthorsRichard J. Linscott14
Estimated H-index: 14
(University of Otago)
The Schizotypal Personality Questionnaire-Brief (SPQ-B) was developed with the aim of examining variations in healthy trait schizotypy, as well as latent vulnerability to psychotic-spectrum disorders. No previous study has studied the cross-cultural validity of the SPQ-B in a large cross-national sample. The main goal of the present study was to analyze the reliability and the internal structure of SPQ-B scores in a multinational sample of 28,426 participants recruited from 14 countries. The mea...
Published on Nov 1, 2017in American Journal of Psychiatry 13.65
Eva Veithorst22
Estimated H-index: 22
,
Anne-Kathrin Fett14
Estimated H-index: 14
+ 4 AuthorsRoman Kotov2
Estimated H-index: 2
(ISMMS: Icahn School of Medicine at Mount Sinai)
Objective:Social impairment is a long-recognized core feature of schizophrenia and is common in other psychotic disorders. Still, to date the long-term trajectories of social impairment in psychotic disorders have rarely been studied systematically.Methods:Data came from the Suffolk County Mental Health Project, a 20-year prospective study of first-admission patients with psychotic disorders. A never-psychotic comparison group was also assessed. Latent class growth analysis was applied to longit...
Published on Jan 1, 2017in Journal of Abnormal Psychology 5.52
Roman Kotov36
Estimated H-index: 36
(SBU: Stony Brook University),
Robert F. Krueger91
Estimated H-index: 91
(UMN: University of Minnesota)
+ 37 AuthorsLee Anna Clark68
Estimated H-index: 68
(ND: University of Notre Dame)
The reliability and validity of traditional taxonomies are limited by arbitrary boundaries between psychopathology and normality, often unclear boundaries between disorders, frequent disorder co-occurrence, heterogeneity within disorders, and diagnostic instability. These taxonomies went beyond evidence available on the structure of psychopathology and were shaped by a variety of other considerations, which may explain the aforementioned shortcomings. The Hierarchical Taxonomy Of Psychopathology...
Published on Nov 1, 2016in Schizophrenia Bulletin 7.29
Gregory P. Strauss33
Estimated H-index: 33
(Binghamton University),
James M. Gold82
Estimated H-index: 82
(UMB: University of Maryland, Baltimore)
In 2005, the National Institute of Mental Health held a consensus development conference on negative symptoms of schizophrenia. Among the important conclusions of this meeting were that there are at least 5 commonly accepted domains of negative symptoms (blunted affect, alogia, avolition, anhedonia, asociality) and that new rating scales were needed to adequately assess these constructs. Two next-generation negative symptom scales resulted from this meeting: the Brief Negative Symptom Scale (BNS...
Cited By0
Newest
Rui-ting Zhang2
Estimated H-index: 2
(CAS: Chinese Academy of Sciences),
Han-yu Zhou2
Estimated H-index: 2
(CAS: Chinese Academy of Sciences)
+ -3 AuthorsRaymond C.K. Chan49
Estimated H-index: 49
(CAS: Chinese Academy of Sciences)
Abstract Schizotypal personality (SP) traits have been found to be correlated with autistic traits, obsessive-compulsive traits, depressive symptoms and anxiety symptoms. However, the overall pattern of the relationship remains unclear. The purpose of this study was to investigate the network structure between SP traits and other subclinical features (symptoms or traits) and test the replicability of these relationships. A total of 2204 college students completed measurements for SP traits, auti...