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Title: Validation of the University of Sao Paolo Sensory Phenomena Scale: Initial Psychometric Properties
Authors: Rosario, Maria Conceicao do [UNIFESP]
Prado, Helena da Silva [UNIFESP]
Borcato, Sonia
Diniz, Juliana Belo
Shavitt, Roseli Gedanki
Hounie, Ana Gabriela [UNIFESP]
Mathis, Maria Eugenia
Mastrorosa, Rosana Savio [UNIFESP]
Velloso, Patricia [UNIFESP]
Perin, Eduardo Alliende [UNIFESP]
Fossaluza, Victor [UNIFESP]
Pereira, Carlos Alberto
Geller, Daniel
Leckman, James
Miguel, Euripedes Constantino
Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Harvard Univ
Yale Univ
Issue Date: 1-Jun-2009
Publisher: M B L Communications, Inc
Citation: Cns Spectrums. New York: M B L Communications, Inc, v. 14, n. 6, p. 315-323, 2009.
Abstract: Introduction: Although obsessions and compulsions comprise the main features of obsessive-compulsive disorder (OCD), many patients report that their compulsions are preceded by a sense of incompleteness or other unpleasant feelings such as premonitory urges or a need perform action's until feeling just right. These manifestations have been characterized as Sensory Phenomena (SP). The current study presents initial psychometric data for a new scale designed to measure SP.Methods: Seventy-six adult OCD subjects were probed twice. Patients were assessed with an open clinical interview (considered as the gold standard) and with the following standardized instruments: Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition Axis I Disorders, Yale-Brown Obsessive-Compulsive Scale, Dimensional Yale-Brown Obsessive-Compulsive Scale, Yale Global Tic Severity Scale, Beck Anxiety Inventory, and Beck Depression Inventory.Results: SP were present in 51 OCD patients (67.1%). Tics were present in 16 (21.1%) of the overall sample. The presence of SP was significantly higher in early-onset OCD patients. There were no significant differences in the presence of SP according to comorbidity with tics or gender. The comparison between the results from the open clinical interviews and the University of Sao Paulo Sensory Phenomena Scale (USP-SPS) showed an excellent concordance between them, with no significant differences between interviewers. The inter-rater reliability between the expert raters for the USP-SPS was high, with K=.92. The Pearson correlation coefficient between the SP severity scores given by the two raters was .89.Conclusion: Preliminary results suggest that the USP-SPS is a valid and reliable instrument for assessing the presence and severity of SP in OCD subjects. CNS Spectr. 2009;14(6):315-323
ISSN: 1092-8529
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