Research Topics
| R Walter HeinrichsSummaryAffiliation: York University Country: Canada Publications
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Detail Information
Publications
Cognitive performance and functional competence as predictors of community independence in schizophreniaR Walter Heinrichs
Department of Psychology, York University, Toronto, ON M3J 1P3, Canada
Schizophr Bull 36:381-7. 2010..The specific real-world validity of functional competence is modest, yielding information that is largely redundant with standard cognitive performance...- Neurocognitive deficit in schizophrenia: a quantitative review of the evidenceR W Heinrichs
Department of Psychology, York University, Toronto, Ontario, Canada
Neuropsychology 12:426-45. 1998..The results indicate that schizophrenia is characterized by a broadly based cognitive impairment, with varying degrees of deficit in all ability domains measured by standard clinical tests... - Immediacy, emotion, and the filling of glasses: next round's on youR Walter Heinrichs
Department of Psychology, York University, Toronto, ON, Canada
Am Psychol 61:76-7. 2006 - The University of California Performance Skills Assessment (UPSA) in schizophreniaR Walter Heinrichs
Department of Psychology, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
Schizophr Res 88:135-41. 2006..However, psychometric properties, task difficulty and the nature of different mental health settings, populations and communities must be considered in the design and application of these instruments... - Cognitive improvement in response to antipsychotic drugs: neurocognitive effects of antipsychotic medications in patients with chronic schizophrenia in the CATIE TrialR Walter Heinrichs
Department of Psychology, York University, Toronto, Ontario M3J 1P3, Canada
Arch Gen Psychiatry 64:631-2. 2007 - Predictors of medication competence in schizophrenia patientsR Walter Heinrichs
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada
Psychiatry Res 157:47-52. 2008..This study documents a considerable range in MMAA scores across a demographically broad schizophrenia sample and supports the unique contribution of specific cognitive factors in predicting medication competence... - Are schizophrenia and schizoaffective disorder neuropsychologically distinguishable?R Walter Heinrichs
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Schizophr Res 99:149-54. 2008..However, group differences in cognitive performance are insufficient to separate these syndromes of psychotic illness... - Cognitive, clinical, and functional characteristics of verbally superior schizophrenia patientsR Walter Heinrichs
Department of Psychology, York University, Toronto, Ontario, Canada
Neuropsychology 22:321-8. 2008..However, severity of positive and negative symptoms was equivalent in the patient groups. Detailed biobehavioral study of cognitively exceptional patients may offer new insights into mechanisms mediating psychotic disorders... - Psychopathology and cognition in divergent functional outcomes in schizophreniaR Walter Heinrichs
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Schizophr Res 109:46-51. 2009..Results suggest researchers may have underestimated the role of psychopathology in general and positive symptoms in particular as potential determinants of functional status in schizophrenia... - The primacy of cognition in schizophreniaR Walter Heinrichs
Department of Psychology, York University, Toronto, ON, Canada
Am Psychol 60:229-42. 2005..Schizophrenia is a complex biobehavioral disorder that manifests itself primarily in cognition... - Verbal memory errors and symptoms in schizophreniaR Walter Heinrichs
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Cogn Behav Neurol 17:98-101. 2004..To extend and test hypotheses linking positive and negative symptoms to selective aspects of verbal memory in schizophrenia... - Meta-analysis and the science of schizophrenia: variant evidence or evidence of variants?R Walter Heinrichs
Department of Psychology, York University, Toronto, ONT M3J 1P3, Canada
Neurosci Biobehav Rev 28:379-94. 2004..Schizophrenia is a disease that will resist biological definition until its variants are isolated and extracted from the generic patient population... - Demographic, clinical, and neurocognitive predictors of quality of life in schizophrenia patients receiving conventional neurolepticsTeresa L Sota
Neurobehavioral Research Unit, St. Michael's Hospital, Toronto, Ontario, Canada
Compr Psychiatry 45:415-21. 2004..Rehospitalization was related only to demographic data and previous hospital admissions. The findings support the predictive value of selected aspects of neurocognition in relation to a subjective outcome domain in schizophrenia... - An investigation of 3 neurocognitive subtypes in schizophreniaNarmeen Ammari
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Schizophr Res 121:32-8. 2010..Support for the clinical and functional validity of the verbal memory subtype was more equivocal. Overall, cognitively-based subtyping merits additional attention in efforts to organize the heterogeneity of the schizophrenia syndrome... - "Real world" functioning in schizophrenia patients and healthy adults: assessing validity of the Multidimensional Scale of Independent FunctioningAshley A Miles
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario M3J1P3, Canada
Psychiatry Res 186:123-7. 2011..The unique structure and content of information obtained by the MSIF makes it a candidate for inclusion in studies aimed at developing a new generation of instruments for the assessment of real world functioning in schizophrenia... - Sex differences in verbal memory in schizophrenia patients treated with "typical" neurolepticsTeresa L Sota
St Michael's Hospital, Toronto, Ontario, Canada
Schizophr Res 62:175-82. 2003..Schizophrenia does not eliminate and may even increase the advantage women demonstrate over men in some aspects of verbal memory... - Depression in multiple sclerosis: a quantitative review of the evidenceE Jane Dalton
Department of Psychology, York University, Toronto, ON, Canada
Neuropsychology 19:152-8. 2005..However, the depression-disease link is complex and not specific to this form of demyelinating illness... - Depression and neurocognitive functioning in mild traumatic brain injury patients referred for assessmentLesley Ann Ruttan
Toronto Rehabilitation Institute, Toronto, Ont, Canada
J Clin Exp Neuropsychol 25:407-19. 2003..Depression may be prevalent in mild injury, but it is unlikely to mediate deficits observed on commonly used measures of problem solving, visual-motor speed, prose and figural recall... - Stability and validity of memory-based subtypes of schizophreniaStephanie McDermid Vaz
Cleghorn Early Intervention in Psychosis Program, St Joseph s Healthcare, Hamilton, Ontario, Canada
J Int Neuropsychol Soc 12:782-91. 2006..Furthermore, the evidence favors the validity of a parsimonious dichotomy over a more complex dementia-based typology... - Exploring logical reasoning abilities in schizophrenia patientsDario Mirian
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario Canada M3J 1P3
Schizophr Res 127:178-80. 2011..Previous research suggests that patients, unlike healthy controls, are insensitive to emotionally provocative (salient) problem content... - Schizophrenia and memory impairment: evidence for a neurocognitive subtypeStephanie A McDermid Vaz
Department of Psychology, York University, 4700 Keele Street, Ontario, Toronto, Canada M3J 1P3
Psychiatry Res 113:93-105. 2002..This finding supports the idea that neurocognitive measures are a valuable way of organizing the heterogeneous disease states of schizophrenia... - Quantification of frontal and temporal lobe brain-imaging findings in schizophrenia: a meta-analysisLara L Davidson
Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Psychiatry Res 122:69-87. 2003..However, patient sample characteristics including sample size, handedness and gender composition emerged frequently as moderators of brain-imaging effect sizes... - Historical origins of schizophrenia: two early madmen and their illnessR Walter Heinrichs
J Hist Behav Sci 39:349-63. 2003..However, establishing the population prevalence of schizophrenia in earlier times--and therefore resolving the permanence-recency debate--may not be a feasible enterprise...