Research Topics
| K L SubotnikSummaryAffiliation: University of California Country: USA Publications
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Publications
The interaction of electrodermal activity and expressed emotion in predicting symptoms in recent-onset schizophreniaKenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90095 8346, USA
Psychophysiology 49:1035-8. 2012..These results support the view that the combination of high family EE and sympathetic nervous system arousal confer especially high risk for poor negative symptom outcomes...
Risperidone nonadherence and return of positive symptoms in the early course of schizophreniaKenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, CA 90095 6968, USA
Am J Psychiatry 168:286-92. 2011..This study examined the effect of medication nonadherence on the return of positive symptoms among recent-onset schizophrenia patients...
Neurocognitive and social cognitive correlates of formal thought disorder in schizophrenia patientsKenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, 90095 6968, USA
Schizophr Res 85:84-95. 2006..This pattern of findings is consistent with the view that neurocognitive and, possibly, social cognitive deficits underlie these two aspects of formal thinking disturbance in schizophrenia...- Is unawareness of psychotic disorder a neurocognitive or psychological defensiveness problem?Kenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA 90095 6968, USA
Schizophr Res 75:147-57. 2005.... - MMPI vulnerability indicators for schizophrenia and attention deficit disorder: UCLA family study of biological parents of offspring with childhood-onset schizophrenia or ADHDKenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA 90095 6968, USA
Behav Genet 35:159-75. 2005.... - Are communication deviance and expressed emotion related to family history of psychiatric disorders in schizophrenia?Kenneth L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90095 6968, USA
Schizophr Bull 28:719-29. 2002..The findings are consistent with the possibility that CD may be an indicator of a genetic vulnerability factor for schizophrenia... - Prediction of the deficit syndrome from initial deficit symptoms in the early course of schizophreniaK L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90095 6968, USA
Psychiatry Res 80:53-9. 1998..Our use of longitudinal data allowed the stability criterion of the deficit syndrome to be evaluated using the PDS... - MMPI discriminators of deficit vs. non-deficit recent-onset schizophrenia patientsK L Subotnik
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, 300 UCLA Medical Plaza, Room 2240, Los Angeles, CA 90095 6968, USA
Psychiatry Res 93:111-23. 2000..Social functioning at the end of the 12-month period was worst for the patient group with high deficit (PDS) scores. The findings are congruent with the concept of a Deficit Syndrome for which the PDS is the proxy... - Avoidant personality disorder symptoms in first-degree relatives of schizophrenia patients predict performance on neurocognitive measures: the UCLA family studyD L Fogelson
Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine at UCLA, 300 UCLA Medical Plaza, Los Angeles, CA 90095 6968, USA
Schizophr Res 120:113-20. 2010..These results support the hypothesis that avoidant personality disorder may be a schizophrenia spectrum phenotype... - Schizophrenia and schizophrenia-spectrum personality disorders in the first-degree relatives of children with schizophrenia: the UCLA family studyR F Asarnow
Della Martin Professor of Psychiatry and Biobehavioral Science, UCLA Department of Psychiatry, 48 240C NPI, 760 Westwood Plaza, Los Angeles, CA 90024 1759, USA
Arch Gen Psychiatry 58:581-8. 2001.... - Life events can trigger depressive exacerbation in the early course of schizophreniaJ Ventura
Department of Psychiatry, University of California, Los Angeles 90095 6968, USA
J Abnorm Psychol 109:139-44. 2000..The risk of depression and of psychosis after experiencing a stressful life event is significantly increased for the first month, but the risk period can extend to 3 months... - Theory of mind deficits for processing counterfactual information in persons with chronic schizophreniaR S Kern
Department of Psychiatry and Biobehavioral Sciences, Geffen School of Medicine at UCLA, Los Angeles, CA 90073, USA
Psychol Med 39:645-54. 2009..Particular difficulties might be expected in the processing of counterfactual information such as sarcasm or lies... - Symptom dimensions in recent-onset schizophrenia and mania: a principal components analysis of the 24-item Brief Psychiatric Rating ScaleJ Ventura
UCLA Department of Psychiatry and Biobehavioral Sciences, Los Angeles, CA 90095 6968, USA
Psychiatry Res 97:129-35. 2000..Potentially important symptoms that were added to the traditional 18-item version, namely suicidality, bizarre behavior, and self-neglect, also make clear contributions to other factors... - Avoidant personality disorder is a separable schizophrenia-spectrum personality disorder even when controlling for the presence of paranoid and schizotypal personality disorders The UCLA family studyD L Fogelson
Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, USA
Schizophr Res 91:192-9. 2007..This indicates that APD is a separate Sz-spectrum disorder, and not merely a sub-clinical form of SPD or PPD... - Self-efficacy and neurocognition may be related to coping responses in recent-onset schizophreniaJoseph Ventura
UCLA, Department of Psychiatry and Biobehavioral Sciences, 300 Medical Plaza, Room 2243, Los Angeles, CA 90095 6968, USA
Schizophr Res 69:343-52. 2004..42, p < 0.05). Multiple regression indicated that self-efficacy and sustained attention accounted for 56% of the variance in the use of problem-focused coping, strategies by schizophrenia patients... - Neurocognitive functioning and schizophrenia spectrum disorders can be independent expressions of familial liability for schizophrenia in community control children: the UCLA family studyRobert F Asarnow
Department of Psychiatry and Biobehavioral Science, UCLA Neuropsychiatric Institute, NPI 48 240C, 760 Westwood Plaza, Los Angeles, CA 90024 1759, USA
Schizophr Res 54:111-20. 2002..These findings suggest the neurocognitive and neuromotor functioning and schizophrenia spectrum disorders can be relatively independent expressions of familial liability to schizophrenia... - Emotional intelligence in schizophreniaKimmy S Kee
Psychology Program, California State University Channel Islands, USA
Schizophr Res 107:61-8. 2009..D., Salovey, P., Caruso, D.R., 2002. Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT): User's Manual. Multi-Health Systems, Inc., Toronto, Ontario)... - Development and evaluation of a health promotion group for individuals with severe psychiatric disabilitiesDenise Gretchen-Doorly
Department of Psychology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA 90095 6968, USA
Psychiatr Rehabil J 33:56-9. 2009.... - In vivo evidence of differential impact of typical and atypical antipsychotics on intracortical myelin in adults with schizophreniaGeorge Bartzokis
Department of Psychiatry and Biobehavioral Sciences, The David Geffen School of Medicine at UCLA, Los Angeles, CA 90095 6968, USA
Schizophr Res 113:322-31. 2009..Increased white matter (WM) volume suggestive of increased myelination was detected in the patient group treated with an atypical antipsychotic compared to a typical one... - Neurocognitive impairments in nonpsychotic parents of children with schizophrenia and attention-deficit/hyperactivity disorder: the University of California, Los Angeles Family StudyRobert F Asarnow
Neuropsychiatric Institute and the Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Room 48 240C NPI, 760 Westwood Plaza, Los Angeles, CA 90024 1759, USA
Arch Gen Psychiatry 59:1053-60. 2002.... - Attentional modulation of the P50 suppression deficit in recent-onset and chronic schizophreniaCindy M Yee
Department of Psychology, University of California, Los Angeles UCLA, Los Angeles, California 90095 1563, USA
J Abnorm Psychol 119:31-9. 2010.... - Integrity of emotional and motivational states during the prodromal, first-episode, and chronic phases of schizophreniaCindy M Yee
Department of Psychology, University of California, Los Angeles, Los Angeles, CA 90095 1563, USA
J Abnorm Psychol 119:71-82. 2010.... - The contributions of disease and genetic factors towards regional cortical thinning in schizophrenia: the UCLA family studyYaling Yang
Laboratory of Neuro Imaging, Geffen School of Medicine at UCLA, Los Angeles, CA 90024, United States
Schizophr Res 123:116-25. 2010..However, it remains unclear whether regional variations in cortical thickness may be attributable to disease-related or genetic-liability factors... - Stability of visual masking performance in recent-onset schizophrenia: an 18-month longitudinal studyJunghee Lee
Semel Institute for Neuroscience and Human Behavior at UCLA, VA Greater Los Angeles Healthcare System, Los Angeles, CA 90073, United States
Schizophr Res 103:266-74. 2008..Furthermore, the stable performance was observed across all four masking conditions. The findings of this study provide further support for the view that visual masking deficits reflect a possible vulnerability marker for schizophrenia... - Individual placement and support for individuals with recent-onset schizophrenia: integrating supported education and supported employmentKeith H Nuechterlein
Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, CA 90095 6968, USA
Psychiatr Rehabil J 31:340-9. 2008..To describe the adaptation of the Individual Placement and Support model of supported employment to individuals with a recent first episode of schizophrenia or a related psychotic disorder... - The validity of Psychosis Proneness Scales as vulnerability indicators in recent-onset schizophrenia patientsWilliam P Horan
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA
Schizophr Res 100:224-36. 2008..The longitudinal characteristics of these scales in people who are actually diagnosed with schizophrenia provide key evidence for the validity of three commonly used psychometric indicators of vulnerability to psychosis... - Stressful life events in recent-onset schizophrenia: reduced frequencies and altered subjective appraisalsWilliam P Horan
University of California, Los Angeles, CA 90095 9698, USA
Schizophr Res 75:363-74. 2005..Results are discussed in terms of their implications for understanding susceptibility to stress during the early course of schizophrenia... - Stability and clinical correlates of personality characteristics in recent-onset schizophreniaWilliam P Horan
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90095 6968, CA, USA
Psychol Med 35:995-1005. 2005..While several personality characteristics are implicated in the etiology and phenotypic expression of schizophrenia, little is known about their trait status or clinical correlates during the early course of this disorder... - The timing of negative symptom exacerbations in relationship to positive symptom exacerbations in the early course of schizophreniaJoseph Ventura
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 300 UCLA Medical Plaza, Room 2243, Los Angeles, CA 90095 6968, USA
Schizophr Res 69:333-42. 2004..Results suggest that the timing of some negative symptom exacerbations is linked to that of positive symptom exacerbations during the early course of schizophrenia... - Translating basic attentional paradigms to schizophrenia research: reconsidering the nature of the deficitsKeith H Nuechterlein
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles 90095 6968, USA
Dev Psychopathol 18:831-51. 2006..These refined paradigms should substantially increase our understanding of the specific forms of attentional impairment characterizing schizophrenia and their connections to symptom development and functional outcome... - Validity of the family history method for diagnosing schizophrenia, schizophrenia-related psychoses, and schizophrenia-spectrum personality disorders in first-degree relatives of schizophrenia probandsDavid L Fogelson
UCLA Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, USA
Schizophr Res 68:309-17. 2004..576). Using the family history method, the validity of making schizophrenia-related personality disorder diagnoses was comparable to that of making psychotic disorder diagnoses... - Remember and know judgments during recognition in chronic schizophreniaTheo G M van Erp
Department of Psychology, UCLA, Los Angeles, CA 90095, USA
Schizophr Res 100:181-90. 2008..Taken together, these findings are consistent with a deficit in recollection and increased reliance on familiarity in making recognition memory judgments in chronic schizophrenia... - The structure of schizotypy: relationships between neurocognitive and personality disorder features in relatives of schizophrenic patients in the UCLA Family StudyKeith H Nuechterlein
UCLA Department of Psychiatry and Biobehavioral Sciences, 300 UCLA Medical Plaza, Room 2240, Los Angeles, CA 90095 6968, USA
Schizophr Res 54:121-30. 2002.... - Do recent-onset schizophrenia patients experience a "social network crisis"?William P Horan
Department of Psychiatry and Biobehavioral Sciences at the University of California, 300 Medical Plaza, Los Angeles, CA 90095 6968, USA
Psychiatry 69:115-29. 2006..Instead, results suggest that functionally relevant social network disturbances often exist by the time of first hospitalization in schizophrenia... - Electrodermal predictors of functional outcome and negative symptoms in schizophreniaAnne M Schell
Department of Psychology, Occidental College, Los Angeles, California 90041, USA
Psychophysiology 42:483-92. 2005.... - The temporal stability of electrodermal variables over a one-year period in patients with recent-onset schizophrenia and in normal subjectsAnne M Schell
Department of Psychology, Occidental College, Los Angeles, California 90041, USA
Psychophysiology 39:124-32. 2002..Among measures of responding to nontask stimuli, a simple count of the number of orienting responses occurring was more stable than was a traditional trials-to-habituation measure...