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Neurocognition, Social Cognition, and Functional Outcome in Schizophrenia and High-Functioning Autism This dissertation investigated the relationships amongst neurocognition, social cognition, and functional outcome using path models. I contrasted how the models fit in schizophrenia and high-functioning autism samples, and concluded that the relationship between neurocognition and social cognition appeared to be stronger within the schizophrenia sample. It also appeared that there was modest support for social cognition serving as a mediator between neurocognition and functional outcome within the schizophrenia sample. See related publications: Sasson, N., Hurley, R., Couture, S., Penn, D. L., Piven, J., Tsuchiya, N., & Adolphs, R. (2007). Autism and schizophrenia share a fixation impairment to social stimuli but differ in social orientation. Neuropsychologia, 45, 2580-2588. Couture, S. M., & Penn, D. L. (2006).The effects of interpersonal contact on psychiatric stigma: A prospective approach utilizing volunteers from the community. Journal of Community Psychology, 34, 635-645.Couture, S. M., Roberts, D. L., & Penn, D.L. (2006). The functional significance of social cognition in schizophrenia: A review. Schizophrenia Bulletin, 32 (Suppl. 1), S44-S63. Couture, S. M., Roberts, D. L., Penn, D.L. , Cather, C., Otto, M., & Goff, D, A. (2006). Do baseline client characteristics predict the therapeutic alliance in the treatment of schizophrenia? Journal of Nervous and Mental Disease, 194, 10-14.Couture, S., & Penn, D. L. (2003). Interpersonal contact and the stigma of mental illness: A review of the literature. Journal of Mental Health, 12, 291-305. ****************************************** Development and initial evaluation of a psychosocial intervention See related publication: Waldheter, E. J., Penn, D. L, Perkins, D. O., Mueser, K. T., Owens, L. W., & Cook, E. (2008). The graduated recovery intervention program for first episode psychosis: Treatment development and preliminary data. Community Mental Health Journal, 44, 443-455. ****************************************** Development and preliminary evaluation of a social cognition intervention for outpatients with schizophrenia spectrum
disorders See related publications: Penn, D.L., Roberts, D.L., Combs, D., Sterne, A. (2007) Best practices: The development of the Social Cognition and Interaction Training program for schizophrenia spectrum disorders. Psychiatric Services, Apr;58(4), 449-51. Combs, D. R., Adams, S. D., Penn, D. L., Roberts, D. L., Tiegreen, J., & Stem, P. (2007). Social Cognition and Interaction Training for inpatients with schizophrenia spectrum disorders: Preliminary findings. Schizophrenia Research, 91, 112-116. Penn, D. L., Roberts, D. L., Munt, E., Silverstein, E., & Sheitman, B. (2006). A pilot study of Social Cognition and Interaction Training (SCIT) for Schizophrenia. Schizophrenia Research, 80, 357-359. Roberts, D., & Penn, D. L. (2009). Social cognition and interaction training (SCIT) for outpatients with schizophrenia: A preliminary study. Psychiatry Research, 166, 141-147. Roberts, D. L., Penn, D. L., Sterne, A., Margolis, S., & Labate, D. (in review). A feasibility and effectiveness trial of Social Cognition and Interaction Training for schizophrenia in a network of community clinics. Roberts, D. L., Penn, D. L., Corrigan, P. W., Lipkovitch, I., & Black, R. ****************************************** Do Similar Neural Profiles Underlie Social Cognitive Deficits in Schizophrenia and High-Functioning Autism? See related publication: Pinkham, A. E., Hopfinger, J. B., Pelphrey, K. A., Piven, J., & Penn, D. L.. (2008). Neural bases of impaired social cognition in schizophrenia and autism-spectrum disorders. Schizophrenia Research, 99, 164-175. Pinkham, A. E., Hopfinger, J. B., Ruparel, K. & Penn, D. L. (2008). An investigation of the relationship between activation of a social cognitive neural network and social functioning. Schizophrenia Bulletin, 34, 688-697. ****************************************** Prospective Evaluation of Clinically Relevant Risk Factors in Childhood- and Adolescent-Onset Psychotic Disorders Psychotic disorders with an onset in childhood and adolescence are associated with a more severe illness presentation and malignant course than those with an onset in adulthood. Despite this, their longitudinal course has been studied only to a limited extent and often utilizing statistical methods inappropriate for repeated measures data. Accordingly, the current study prospectively evaluated the predictive effects of clinically relevant factors on illness course utilizing a longitudinal database from a grant-supported investigation. Hierarchical linear modeling and multiple regressions were utilized to evaluate the predictive effects of risk factors on level of psychiatric symptoms at 2-5 year follow-up among children and adolescents with well characterized psychotic disorders (i.e., schizophrenia, schizoaffective disorder, major depression with psychosis). Psychotic and general symptoms decreased significantly over time but none of the examined covariates explained significant variance in the observed changes. Supplementary analyses evaluated the effects of two design characteristics (i.e., study effect and rater bias) on the observed changes and found significant rater effects with respect to measures of select psychotic symptoms. General psychiatric symptoms decreased during the follow-up period with a significant interaction to characterize this change, with observed changes in psychotic symptoms appearing to be the artifacts of rater bias. Clinical implications with respect to development effects on symptom presentation and methodological considerations, including the importance of modeling rater effects within clinical research, were discussed. ****************************************** Loving-kindness meditation to enhance the psychological recovery of individuals with persistent negative symptoms of schizophrenia: A pilot study See related publication: Johnson, D. P., Penn, D. L., Fredrickson, B. L., Kring, A. M., Meyer, P. S. & Brantley, M. (2009). Loving-kindness meditation to enhance recovery from negative symptoms of schizophrenia. Journal of Clinical Psychology, 65, 499-599.
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