Richard S.E. Keefe

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JoVE Journal Publications

ArticleTotal : 1	Year
Publication title Cited by 25	2014

Other Publications

Article	Year
Dopamine D2 receptor occupancy and cognition in schizophrenia: analysis of the CATIE data. Schizophrenia bulletin\| PubMed ID: 22290266	2013
Sensory acuity and reasoning in delusional disorder. Comprehensive psychiatry\| PubMed ID: 11994833	2002
Source-monitoring deficits for self-generated stimuli in schizophrenia: multinomial modeling of data from three sources. Schizophrenia research\| PubMed ID: 12165376	2002
Source monitoring improvement in patients with schizophrenia receiving antipsychotic medications. Psychopharmacology\| PubMed ID: 12759802	2003
Neurocognitive assessment in the Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) project schizophrenia trial: development, methodology, and rationale. Schizophrenia bulletin\| PubMed ID: 12908660	2003
Cognitive functioning in schizophrenia: a consensus statement on its role in the definition and evaluation of effective treatments for the illness. The Journal of clinical psychiatry\| PubMed ID: 15096076	2004
The Brief Assessment of Cognition in Schizophrenia: reliability, sensitivity, and comparison with a standard neurocognitive battery. Schizophrenia research\| PubMed ID: 15099610	2004
Comparative effect of atypical and conventional antipsychotic drugs on neurocognition in first-episode psychosis: a randomized, double-blind trial of olanzapine versus low doses of haloperid... The American journal of psychiatry\| PubMed ID: 15169686	2004
Approaching a consensus cognitive battery for clinical trials in schizophrenia: the NIMH-MATRICS conference to select cognitive domains and test criteria. Biological psychiatry\| PubMed ID: 15336511	2004
Defining a cognitive function decrement in schizophrenia. Biological psychiatry\| PubMed ID: 15780858	2005
Antipsychotic drug effects on brain morphology in first-episode psychosis. Archives of general psychiatry\| PubMed ID: 15809403	2005
A summary of the FDA-NIMH-MATRICS workshop on clinical trial design for neurocognitive drugs for schizophrenia. Schizophrenia bulletin\| PubMed ID: 15888422	2005
The Clinical Antipsychotic Trials Of Intervention Effectiveness (CATIE) Schizophrenia Trial: clinical comparison of subgroups with and without the metabolic syndrome. Schizophrenia research\| PubMed ID: 16125372	2005
Long-term neurocognitive effects of olanzapine or low-dose haloperidol in first-episode psychosis. Biological psychiatry\| PubMed ID: 16140282	2006
Clinical correlates of tardive dyskinesia in schizophrenia: baseline data from the CATIE schizophrenia trial. Schizophrenia research\| PubMed ID: 16171976	2005
Effectiveness of antipsychotic drugs in patients with chronic schizophrenia. The New England journal of medicine\| PubMed ID: 16172203	2005
One-year double-blind study of the neurocognitive efficacy of olanzapine, risperidone, and haloperidol in schizophrenia. Schizophrenia research\| PubMed ID: 16202565	2006
Measuring outcome priorities and preferences in people with schizophrenia. The British journal of psychiatry : the journal of mental science\| PubMed ID: 16319405	2005
The relationship of the Brief Assessment of Cognition in Schizophrenia (BACS) to functional capacity and real-world functional outcome. Journal of clinical and experimental neuropsychology\| PubMed ID: 16484097	2006
The Schizophrenia Cognition Rating Scale: an interview-based assessment and its relationship to cognition, real-world functioning, and functional capacity. The American journal of psychiatry\| PubMed ID: 16513863	2006
Effectiveness of clozapine versus olanzapine, quetiapine, and risperidone in patients with chronic schizophrenia who did not respond to prior atypical antipsychotic treatment. The American journal of psychiatry\| PubMed ID: 16585434	2006
Effectiveness of olanzapine, quetiapine, risperidone, and ziprasidone in patients with chronic schizophrenia following discontinuation of a previous atypical antipsychotic. The American journal of psychiatry\| PubMed ID: 16585435	2006
Optimization of a multinomial model for investigating hallucinations and delusions with source monitoring. Schizophrenia research\| PubMed ID: 16626938	2006
Baseline neurocognitive deficits in the CATIE schizophrenia trial. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 16641947	2006
Insight in first-episode psychosis. Psychological medicine\| PubMed ID: 16740175	2006
Baseline use of concomitant psychotropic medications to treat schizophrenia in the CATIE trial. Psychiatric services (Washington, D.C.)\| PubMed ID: 16870959	2006
A longitudinal study of neurocognitive function in individuals at-risk for psychosis. Schizophrenia research\| PubMed ID: 16930949	2006
Cost-effectiveness of second-generation antipsychotics and perphenazine in a randomized trial of treatment for chronic schizophrenia. The American journal of psychiatry\| PubMed ID: 17151158	2006
NCAM1 and neurocognition in schizophrenia. Biological psychiatry\| PubMed ID: 17161382	2007
Risperidone and cognitive function in children with disruptive behavior disorders. Biological psychiatry\| PubMed ID: 17210137	2007
Effectiveness of olanzapine, quetiapine, and risperidone in patients with chronic schizophrenia after discontinuing perphenazine: a CATIE study. The American journal of psychiatry\| PubMed ID: 17329466	2007
Effects of antipsychotic medications on psychosocial functioning in patients with chronic schizophrenia: findings from the NIMH CATIE study. The American journal of psychiatry\| PubMed ID: 17329467	2007
Validation of the French version of the BACS (the brief assessment of cognition in schizophrenia) among 50 French schizophrenic patients. European psychiatry : the journal of the Association of European Psychiatrists\| PubMed ID: 17434715	2007
AKT1 and neurocognition in schizophrenia. The Australian and New Zealand journal of psychiatry\| PubMed ID: 17464696	2007
Neurocognitive effects of antipsychotic medications in patients with chronic schizophrenia in the CATIE Trial. Archives of general psychiatry\| PubMed ID: 17548746	2007
How should DSM-V criteria for schizophrenia include cognitive impairment? Schizophrenia bulletin\| PubMed ID: 17567627	2007
Effects of olanzapine, quetiapine, and risperidone on neurocognitive function in early psychosis: a randomized, double-blind 52-week comparison. The American journal of psychiatry\| PubMed ID: 17606658	2007
Efficacy and safety of donepezil in patients with schizophrenia or schizoaffective disorder: significant placebo/practice effects in a 12-week, randomized, double-blind, placebo-controlled t... Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 17625502	2008
Cognition as an outcome measure in schizophrenia. The British journal of psychiatry. Supplement\| PubMed ID: 18019044	2007
Functional co-primary measures for clinical trials in schizophrenia: results from the MATRICS Psychometric and Standardization Study. The American journal of psychiatry\| PubMed ID: 18172017	2008
The MATRICS Consensus Cognitive Battery, part 2: co-norming and standardization. The American journal of psychiatry\| PubMed ID: 18172018	2008
The MATRICS Consensus Cognitive Battery, part 1: test selection, reliability, and validity. The American journal of psychiatry\| PubMed ID: 18172019	2008
Employment outcomes in a randomized trial of second-generation antipsychotics and perphenazine in the treatment of individuals with schizophrenia. The journal of behavioral health services & research\| PubMed ID: 18246429	2008
Efficiency of the CATIE and BACS neuropsychological batteries in assessing cognitive effects of antipsychotic treatments in schizophrenia. Journal of the International Neuropsychological Society : JINS\| PubMed ID: 18282319	2008
Cognitive deficits in patients with schizophrenia: effects and treatment. The Journal of clinical psychiatry\| PubMed ID: 18284272	2007
The neuregulin 1 promoter polymorphism rs6994992 is not associated with chronic schizophrenia or neurocognition. American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics\| PubMed ID: 18286587	2008
Relationship of cognition and psychopathology to functional impairment in schizophrenia. The American journal of psychiatry\| PubMed ID: 18450928	2008
What CATIE found: results from the schizophrenia trial. Psychiatric services (Washington, D.C.)\| PubMed ID: 18451005	2008
Should cognitive impairment be included in the diagnostic criteria for schizophrenia? World psychiatry : official journal of the World Psychiatric Association (WPA)\| PubMed ID: 18458774	2008
Norms and standardization of the Brief Assessment of Cognition in Schizophrenia (BACS). Schizophrenia research\| PubMed ID: 18495435	2008
Implementation considerations for multisite clinical trials with cognitive neuroscience tasks. Schizophrenia bulletin\| PubMed ID: 18495645	2008
Abbreviated neuropsychological assessment in schizophrenia: prediction of different aspects of outcome. Journal of clinical and experimental neuropsychology\| PubMed ID: 18720182	2009
Neuropsychological course in the prodrome and first episode of psychosis: findings from the PRIME North America Double Blind Treatment Study. Schizophrenia research\| PubMed ID: 18774696	2008
Extrapyramidal side-effects of antipsychotics in a randomised trial. The British journal of psychiatry : the journal of mental science\| PubMed ID: 18827289	2008
Development and psychometric performance of the schizophrenia objective functioning instrument: an interviewer administered measure of function. Schizophrenia research\| PubMed ID: 19013769	2009
CMINDS does not have identical tests to the CATIE and MATRICS batteries. Commentary on O'Halloran et al. Schizophrenia research\| PubMed ID: 19013770	2009
Results of phase 3 of the CATIE schizophrenia trial. Schizophrenia research\| PubMed ID: 19027269	2009
Pharmacogenetics of antipsychotic response in the CATIE trial: a candidate gene analysis. European journal of human genetics : EJHG\| PubMed ID: 19156168	2009
A genome-wide investigation of SNPs and CNVs in schizophrenia. PLoS genetics\| PubMed ID: 19197363	2009
Proof-of-concept trial with the neurosteroid pregnenolone targeting cognitive and negative symptoms in schizophrenia. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 19339966	2009
Psychosocial factors in the neurobiology of schizophrenia: a selective review. Annals of the Academy of Medicine, Singapore\| PubMed ID: 19521639	2009
Measuring memory-prediction errors and their consequences in youth at risk for schizophrenia. Annals of the Academy of Medicine, Singapore\| PubMed ID: 19521641	2009
Memory-prediction errors and their consequences in schizophrenia. Neuropsychology review\| PubMed ID: 19575296	2009
Cognition and schizophrenia: is there a role for cognitive assessments in diagnosis and treatment? Psychiatry (Edgmont (Pa. : Township))\| PubMed ID: 19724777	2008
The effects of antipsychotic medications on emotion perception in patients with chronic schizophrenia in the CATIE trial. Schizophrenia research\| PubMed ID: 19766459	2009
A brief cognitive assessment tool for schizophrenia: construction of a tool for clinicians. Schizophrenia bulletin\| PubMed ID: 19776205	2011
Anticipating DSM-V: opportunities and challenges for cognition and psychosis. Schizophrenia bulletin\| PubMed ID: 19923191	2010
Static and dynamic cognitive deficits in childhood preceding adult schizophrenia: a 30-year study. The American journal of psychiatry\| PubMed ID: 20048021	2010
Circumstances under which practice does not make perfect: a review of the practice effect literature in schizophrenia and its relevance to clinical treatment studies. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 20090669	2010
Report from the working group conference on multisite trial design for cognitive remediation in schizophrenia. Schizophrenia bulletin\| PubMed ID: 20194249	2011
Etiological and clinical features of childhood psychotic symptoms: results from a birth cohort. Archives of general psychiatry\| PubMed ID: 20368509	2010
The FDA-NIMH-MATRICS guidelines for clinical trial design of cognitive-enhancing drugs: what do we know 5 years later? Schizophrenia bulletin\| PubMed ID: 20410237	2011
The Schizophrenia Cognition Rating Scale: validation of an interview-based assessment of cognitive functioning in Asian patients with schizophrenia. Psychiatry research\| PubMed ID: 20451258	2010
No association of the serotonin transporter polymorphisms 5-HTTLPR and RS25531 with schizophrenia or neurocognition. American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics\| PubMed ID: 20468059	2010
Neuropsychology of the prodrome to psychosis in the NAPLS consortium: relationship to family history and conversion to psychosis. Archives of general psychiatry\| PubMed ID: 20530007	2010
The Cognitive Assessment Interview (CAI): development and validation of an empirically derived, brief interview-based measure of cognition. Schizophrenia research\| PubMed ID: 20542412	2010
Treatment outcomes of patients with tardive dyskinesia and chronic schizophrenia. The Journal of clinical psychiatry\| PubMed ID: 20816031	2011
Armodafinil as adjunctive therapy in adults with cognitive deficits associated with schizophrenia: a 4-week, double-blind, placebo-controlled study. The Journal of clinical psychiatry\| PubMed ID: 20816042	2010
Differential effects of emotional information on interference task performance across the life span. Frontiers in aging neuroscience\| PubMed ID: 20953250	2010
Missing the sweet spot disengagement in schizophrenia. Psychiatry (Edgmont (Pa. : Township))\| PubMed ID: 20975816	2006
Characteristics of the MATRICS Consensus Cognitive Battery in a 29-site antipsychotic schizophrenia clinical trial. Schizophrenia research\| PubMed ID: 21075600	2011
Genome-wide pharmacogenomic study of neurocognition as an indicator of antipsychotic treatment response in schizophrenia. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 21107309	2011
Criminal justice system involvement among people with schizophrenia. Community mental health journal\| PubMed ID: 21113799	2011
Failures in learning-dependent predictive perception as the key cognitive vulnerability to psychosis in schizophrenia. Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology\| PubMed ID: 21116261	2011
A randomized clinical trial of MK-0777 for the treatment of cognitive impairments in people with schizophrenia. Biological psychiatry\| PubMed ID: 21145041	2011
The MCCB impairment profile for schizophrenia outpatients: results from the MATRICS psychometric and standardization study. Schizophrenia research\| PubMed ID: 21159492	2011
Methodological issues in negative symptom trials. Schizophrenia bulletin\| PubMed ID: 21270473	2011
Performance and interview-based assessments of cognitive change in a randomized, double-blind comparison of lurasidone vs. ziprasidone. Schizophrenia research\| PubMed ID: 21277745	2011
Bifactor and item response theory analyses of interviewer report scales of cognitive impairment in schizophrenia. Psychological assessment\| PubMed ID: 21381848	2011
Comprehensive model of how reality distortion and symptoms occur in schizophrenia: could impairment in learning-dependent predictive perception account for the manifestations of schizophreni... Psychiatry and clinical neurosciences\| PubMed ID: 21447049	2011
Longitudinal consent-related abilities among research participants with schizophrenia: results from the CATIE study. Schizophrenia research\| PubMed ID: 21561740	2011
Cognitive effects of atypical antipsychotic medications in patients with Alzheimer's disease: outcomes from CATIE-AD. The American journal of psychiatry\| PubMed ID: 21572163	2011
Substance use and schizophrenia: adverse correlates in the CATIE study sample. Schizophrenia research\| PubMed ID: 21872443	2011
The Singapore flagship programme in translational and clinical research in psychosis. Early intervention in psychiatry\| PubMed ID: 22032547	2011
Clinical trials of potential cognitive-enhancing drugs in schizophrenia: what have we learned so far? Schizophrenia bulletin\| PubMed ID: 22114098	2013
Effect of the neuroprotective peptide davunetide (AL-108) on cognition and functional capacity in schizophrenia. Schizophrenia research\| PubMed ID: 22169248	2012
The Cognitive Assessment Interview (CAI): reliability and validity of a brief interview-based measure of cognition. Schizophrenia bulletin\| PubMed ID: 22328641	2013
Clues to the cognitive and perceptual origins of social isolation and psychosis in schizophrenia. The American journal of psychiatry\| PubMed ID: 22476674	2012
A randomized controlled trial of allopurinol vs. placebo added on to antipsychotics in patients with schizophrenia or schizoaffective disorder. Schizophrenia research\| PubMed ID: 22483162	2012
Feasibility and pilot efficacy results from the multisite Cognitive Remediation in the Schizophrenia Trials Network (CRSTN) randomized controlled trial. The Journal of clinical psychiatry\| PubMed ID: 22687548	2012
Validation of a clinician questionnaire to assess reasons for antipsychotic discontinuation and continuation among patients with schizophrenia. Psychiatry research\| PubMed ID: 22841345	2012
Persistent cannabis users show neuropsychological decline from childhood to midlife. Proceedings of the National Academy of Sciences of the United States of America\| PubMed ID: 22927402	2012
Cognitive impairment in schizophrenia. Handbook of experimental pharmacology\| PubMed ID: 23027411	2012
Standardizing the use of the Continuous Performance Test in schizophrenia research: a validation study. Schizophrenia research\| PubMed ID: 23040735	2012
How specific are negative symptoms and cognitive impairment in schizophrenia? An analysis of PANSS and SCoRS. Cognitive neuropsychiatry\| PubMed ID: 23145794	2013
Formulation of the age-education index: measuring age and education effects in neuropsychological performance. Psychological assessment\| PubMed ID: 23148648	2013
The course of cognitive functioning over six months in individuals at clinical high risk for psychosis. Psychiatry research\| PubMed ID: 23159196	2013
Applicability of the MATRICS Consensus Cognitive Battery in Singapore. The Clinical neuropsychologist\| PubMed ID: 23362823	2013
Interview-based assessment of cognition in schizophrenia: applicability of the Schizophrenia Cognition Rating Scale (SCoRS) in different phases of illness and settings of care. Schizophrenia research\| PubMed ID: 23510596	2013
Cognition in schizophrenia: summary Nice Consultation Meeting 2012. European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology\| PubMed ID: 23684476	2013
Neuropsychological impairments in schizophrenia and psychotic bipolar disorder: findings from the Bipolar-Schizophrenia Network on Intermediate Phenotypes (B-SNIP) study. The American journal of psychiatry\| PubMed ID: 23771174	2013
Altered Striatal Functional Connectivity in Subjects With an At-Risk Mental State for Psychosis. Schizophrenia bulletin\| PubMed ID: 23861539	2013
Defining a clinically meaningful effect for the design and interpretation of randomized controlled trials. Innovations in clinical neuroscience\| PubMed ID: 23882433	2013
Brief Assessment of Cognition in Schizophrenia: Normative Data in an English-Speaking Ethnic Chinese Sample. Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists\| PubMed ID: 23912998	2013
Schizophrenia is a cognitive illness: time for a change in focus. JAMA psychiatry\| PubMed ID: 23925787	2013
Social cognition as a mediator between neurocognition and functional outcome in individuals at clinical high risk for psychosis. Schizophrenia research\| PubMed ID: 24012459	2013
Issues and perspectives in designing clinical trials for negative symptoms in schizophrenia. Schizophrenia research\| PubMed ID: 24028744	2013
Neuropsychological decline in schizophrenia from the premorbid to the postonset period: evidence from a population-representative longitudinal study. The American journal of psychiatry\| PubMed ID: 24030246	2014
Microvascular abnormality in schizophrenia as shown by retinal imaging. The American journal of psychiatry\| PubMed ID: 24030514	2013
Preserved working memory and altered brain activation in persons at risk for psychosis. The American journal of psychiatry\| PubMed ID: 24077560	2013
Elevated Antisaccade Error Rate as an Intermediate Phenotype for Psychosis Across Diagnostic Categories. Schizophrenia bulletin\| PubMed ID: 24080895	2013
Unraveling the relationship between obesity, schizophrenia and cognition. Schizophrenia research\| PubMed ID: 24119725	2013
The Longitudinal Youth at Risk Study (LYRIKS)--an Asian UHR perspective. Schizophrenia research\| PubMed ID: 24139196	2013
Validation of the Persian version of the brief assessment of cognition in schizophrenia in patients with schizophrenia and healthy controls. Psychiatry and clinical neurosciences\| PubMed ID: 24552637	2014