R Walter Heinrichs

Summary

Affiliation: York University
Country: Canada

Publications

  1. ncbi request reprint Neurocognitive deficit in schizophrenia: a quantitative review of the evidence
    R W Heinrichs
    Department of Psychology, York University, Toronto, Ontario, Canada
    Neuropsychology 12:426-45. 1998
  2. pmc Cognitive performance and functional competence as predictors of community independence in schizophrenia
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, ON M3J 1P3, Canada
    Schizophr Bull 36:381-7. 2010
  3. ncbi request reprint Immediacy, emotion, and the filling of glasses: next round's on you
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, ON, Canada
    Am Psychol 61:76-7. 2006
  4. ncbi request reprint The University of California Performance Skills Assessment (UPSA) in schizophrenia
    R Walter Heinrichs
    Department of Psychology, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
    Schizophr Res 88:135-41. 2006
  5. ncbi request reprint Cognitive improvement in response to antipsychotic drugs: neurocognitive effects of antipsychotic medications in patients with chronic schizophrenia in the CATIE Trial
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, Ontario M3J 1P3, Canada
    Arch Gen Psychiatry 64:631-2. 2007
  6. ncbi request reprint Predictors of medication competence in schizophrenia patients
    R Walter Heinrichs
    Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada
    Psychiatry Res 157:47-52. 2008
  7. ncbi request reprint 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
  8. doi request reprint Cognitive, clinical, and functional characteristics of verbally superior schizophrenia patients
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, Ontario, Canada
    Neuropsychology 22:321-8. 2008
  9. doi request reprint Psychopathology and cognition in divergent functional outcomes in schizophrenia
    R Walter Heinrichs
    Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
    Schizophr Res 109:46-51. 2009
  10. ncbi request reprint The primacy of cognition in schizophrenia
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, ON, Canada
    Am Psychol 60:229-42. 2005

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Neurocognitive deficit in schizophrenia: a quantitative review of the evidence
    R 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...
  2. pmc Cognitive performance and functional competence as predictors of community independence in schizophrenia
    R 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...
  3. ncbi request reprint Immediacy, emotion, and the filling of glasses: next round's on you
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, ON, Canada
    Am Psychol 61:76-7. 2006
  4. ncbi request reprint The University of California Performance Skills Assessment (UPSA) in schizophrenia
    R 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...
  5. ncbi request reprint Cognitive improvement in response to antipsychotic drugs: neurocognitive effects of antipsychotic medications in patients with chronic schizophrenia in the CATIE Trial
    R Walter Heinrichs
    Department of Psychology, York University, Toronto, Ontario M3J 1P3, Canada
    Arch Gen Psychiatry 64:631-2. 2007
  6. ncbi request reprint Predictors of medication competence in schizophrenia patients
    R 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...
  7. ncbi request reprint 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...
  8. doi request reprint Cognitive, clinical, and functional characteristics of verbally superior schizophrenia patients
    R 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...
  9. doi request reprint Psychopathology and cognition in divergent functional outcomes in schizophrenia
    R 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...
  10. ncbi request reprint The primacy of cognition in schizophrenia
    R 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...
  11. ncbi request reprint Verbal memory errors and symptoms in schizophrenia
    R 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...
  12. ncbi request reprint 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...
  13. doi request reprint WAIS-IV profile of cognition in schizophrenia
    Natalie M Michel
    York University, Toronto, Ontario, Canada
    Assessment 20:462-73. 2013
    ..Impairments were also observed in WM amid relatively preserved performance in VC, thereby confirming the pattern of impairment identified using the WAIS-III. ..
  14. doi request reprint The Canadian Objective Assessment of Life Skills (COALS): a new measure of functional competence in schizophrenia
    Stephanie A McDermid Vaz
    Cleghorn Early Intervention in Psychosis Program, St Joseph s Healthcare, Hamilton, Ontario, Canada
    Psychiatry Res 206:302-6. 2013
    ..The COALS increases the number of functional competence instruments and offers the advantage of specific validity while incorporating important distinctions in cognitive performance...
  15. ncbi request reprint An investigation of 3 neurocognitive subtypes in schizophrenia
    Narmeen 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...
  16. ncbi request reprint Demographic, clinical, and neurocognitive predictors of quality of life in schizophrenia patients receiving conventional neuroleptics
    Teresa 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...
  17. doi request reprint "Real world" functioning in schizophrenia patients and healthy adults: assessing validity of the Multidimensional Scale of Independent Functioning
    Ashley 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...
  18. ncbi request reprint Sex differences in verbal memory in schizophrenia patients treated with "typical" neuroleptics
    Teresa 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...
  19. ncbi request reprint Depression and neurocognitive functioning in mild traumatic brain injury patients referred for assessment
    Lesley 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...
  20. ncbi request reprint Depression in multiple sclerosis: a quantitative review of the evidence
    E 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...
  21. doi request reprint Exploring logical reasoning abilities in schizophrenia patients
    Dario 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...
  22. ncbi request reprint Stability and validity of memory-based subtypes of schizophrenia
    Stephanie 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...
  23. doi request reprint Stability and change in symptoms, cognition, and community outcome in schizophrenia
    Ashley A Miles
    Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada Electronic address
    Schizophr Res 152:435-9. 2014
    ..These results shed light on the strength and nature of the cognition-real world outcome relationship in schizophrenia and have implications for pharmacological and behavioral interventions aimed at improving real world outcome. ..
  24. ncbi request reprint Preserved, deteriorated, and premorbidly impaired patterns of intellectual ability in schizophrenia
    Narmeen Ammari
    Department of Psychology, York University
    Neuropsychology 28:353-8. 2014
    ....
  25. ncbi request reprint Schizophrenia and memory impairment: evidence for a neurocognitive subtype
    Stephanie 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...
  26. ncbi request reprint Quantification of frontal and temporal lobe brain-imaging findings in schizophrenia: a meta-analysis
    Lara 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...
  27. ncbi request reprint Historical origins of schizophrenia: two early madmen and their illness
    R 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...