Richard S E Keefe

Author PubWeight™ 175.54‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Effectiveness of antipsychotic drugs in patients with chronic schizophrenia. N Engl J Med 2005 28.99
2 The MATRICS Consensus Cognitive Battery, part 1: test selection, reliability, and validity. Am J Psychiatry 2008 9.00
3 Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A 2012 5.67
4 A genome-wide investigation of SNPs and CNVs in schizophrenia. PLoS Genet 2009 5.01
5 A summary of the FDA-NIMH-MATRICS workshop on clinical trial design for neurocognitive drugs for schizophrenia. Schizophr Bull 2005 4.66
6 Approaching a consensus cognitive battery for clinical trials in schizophrenia: the NIMH-MATRICS conference to select cognitive domains and test criteria. Biol Psychiatry 2004 4.46
7 Effectiveness of clozapine versus olanzapine, quetiapine, and risperidone in patients with chronic schizophrenia who did not respond to prior atypical antipsychotic treatment. Am J Psychiatry 2006 4.12
8 The MATRICS Consensus Cognitive Battery, part 2: co-norming and standardization. Am J Psychiatry 2008 4.02
9 Cognition in schizophrenia: summary Nice Consultation Meeting 2012. Eur Neuropsychopharmacol 2013 3.99
10 Antipsychotic drug effects on brain morphology in first-episode psychosis. Arch Gen Psychiatry 2005 3.78
11 Cost-effectiveness of second-generation antipsychotics and perphenazine in a randomized trial of treatment for chronic schizophrenia. Am J Psychiatry 2006 3.72
12 Functional co-primary measures for clinical trials in schizophrenia: results from the MATRICS Psychometric and Standardization Study. Am J Psychiatry 2008 3.29
13 Schizophrenia is a cognitive illness: time for a change in focus. JAMA Psychiatry 2013 3.16
14 Effectiveness of olanzapine, quetiapine, risperidone, and ziprasidone in patients with chronic schizophrenia following discontinuation of a previous atypical antipsychotic. Am J Psychiatry 2006 3.12
15 Static and dynamic cognitive deficits in childhood preceding adult schizophrenia: a 30-year study. Am J Psychiatry 2010 3.05
16 Effects of antipsychotic medications on psychosocial functioning in patients with chronic schizophrenia: findings from the NIMH CATIE study. Am J Psychiatry 2007 2.75
17 Effectiveness of olanzapine, quetiapine, and risperidone in patients with chronic schizophrenia after discontinuing perphenazine: a CATIE study. Am J Psychiatry 2007 2.68
18 Neuropsychology of the prodrome to psychosis in the NAPLS consortium: relationship to family history and conversion to psychosis. Arch Gen Psychiatry 2010 2.54
19 Neuropsychological decline in schizophrenia from the premorbid to the postonset period: evidence from a population-representative longitudinal study. Am J Psychiatry 2014 2.51
20 Cognitive effects of atypical antipsychotic medications in patients with Alzheimer's disease: outcomes from CATIE-AD. Am J Psychiatry 2011 2.15
21 A randomized clinical trial of MK-0777 for the treatment of cognitive impairments in people with schizophrenia. Biol Psychiatry 2010 1.99
22 Etiological and clinical features of childhood psychotic symptoms: results from a birth cohort. Arch Gen Psychiatry 2010 1.85
23 Neuropsychological impairments in schizophrenia and psychotic bipolar disorder: findings from the Bipolar-Schizophrenia Network on Intermediate Phenotypes (B-SNIP) study. Am J Psychiatry 2013 1.85
24 Relationship of cognition and psychopathology to functional impairment in schizophrenia. Am J Psychiatry 2008 1.62
25 What CATIE found: results from the schizophrenia trial. Psychiatr Serv 2008 1.55
26 Microvascular abnormality in schizophrenia as shown by retinal imaging. Am J Psychiatry 2013 1.53
27 Preserved working memory and altered brain activation in persons at risk for psychosis. Am J Psychiatry 2013 1.52
28 The MCCB impairment profile for schizophrenia outpatients: results from the MATRICS psychometric and standardization study. Schizophr Res 2010 1.43
29 Pharmacogenetics of antipsychotic response in the CATIE trial: a candidate gene analysis. Eur J Hum Genet 2009 1.38
30 Extrapyramidal side-effects of antipsychotics in a randomised trial. Br J Psychiatry 2008 1.37
31 The FDA-NIMH-MATRICS guidelines for clinical trial design of cognitive-enhancing drugs: what do we know 5 years later? Schizophr Bull 2010 1.36
32 Cognitive functioning in schizophrenia: a consensus statement on its role in the definition and evaluation of effective treatments for the illness. J Clin Psychiatry 2004 1.33
33 The Clinical Antipsychotic Trials Of Intervention Effectiveness (CATIE) Schizophrenia Trial: clinical comparison of subgroups with and without the metabolic syndrome. Schizophr Res 2005 1.28
34 Methodological issues in negative symptom trials. Schizophr Bull 2011 1.28
35 Proof-of-concept trial with the neurosteroid pregnenolone targeting cognitive and negative symptoms in schizophrenia. Neuropsychopharmacology 2009 1.28
36 Results of phase 3 of the CATIE schizophrenia trial. Schizophr Res 2008 1.23
37 Neuropsychological course in the prodrome and first episode of psychosis: findings from the PRIME North America Double Blind Treatment Study. Schizophr Res 2008 1.20
38 Clinical correlates of tardive dyskinesia in schizophrenia: baseline data from the CATIE schizophrenia trial. Schizophr Res 2005 1.20
39 Genome-wide pharmacogenomic study of neurocognition as an indicator of antipsychotic treatment response in schizophrenia. Neuropsychopharmacology 2010 1.19
40 Effect of the neuroprotective peptide davunetide (AL-108) on cognition and functional capacity in schizophrenia. Schizophr Res 2011 1.17
41 The Cognitive Assessment Interview (CAI): development and validation of an empirically derived, brief interview-based measure of cognition. Schizophr Res 2010 1.15
42 Performance and interview-based assessments of cognitive change in a randomized, double-blind comparison of lurasidone vs. ziprasidone. Schizophr Res 2011 1.14
43 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 2010 1.13
44 NCAM1 and neurocognition in schizophrenia. Biol Psychiatry 2006 1.10
45 Abbreviated neuropsychological assessment in schizophrenia: prediction of different aspects of outcome. J Clin Exp Neuropsychol 2009 1.10
46 Bifactor and item response theory analyses of interviewer report scales of cognitive impairment in schizophrenia. Psychol Assess 2011 1.05
47 Baseline use of concomitant psychotropic medications to treat schizophrenia in the CATIE trial. Psychiatr Serv 2006 1.05
48 The effects of antipsychotic medications on emotion perception in patients with chronic schizophrenia in the CATIE trial. Schizophr Res 2009 1.04
49 Measuring outcome priorities and preferences in people with schizophrenia. Br J Psychiatry 2005 1.03
50 Development and psychometric performance of the schizophrenia objective functioning instrument: an interviewer administered measure of function. Schizophr Res 2008 0.99
51 The neuregulin 1 promoter polymorphism rs6994992 is not associated with chronic schizophrenia or neurocognition. Am J Med Genet B Neuropsychiatr Genet 2008 0.97
52 Efficiency of the CATIE and BACS neuropsychological batteries in assessing cognitive effects of antipsychotic treatments in schizophrenia. J Int Neuropsychol Soc 2008 0.96
53 Cognition as an outcome measure in schizophrenia. Br J Psychiatry Suppl 2007 0.95
54 Dopamine D2 receptor occupancy and cognition in schizophrenia: analysis of the CATIE data. Schizophr Bull 2012 0.94
55 Insight in first-episode psychosis. Psychol Med 2006 0.94
56 Anticipating DSM-V: opportunities and challenges for cognition and psychosis. Schizophr Bull 2009 0.94
57 A brief cognitive assessment tool for schizophrenia: construction of a tool for clinicians. Schizophr Bull 2009 0.94
58 The Cognitive Assessment Interview (CAI): reliability and validity of a brief interview-based measure of cognition. Schizophr Bull 2012 0.93
59 Longitudinal consent-related abilities among research participants with schizophrenia: results from the CATIE study. Schizophr Res 2011 0.91
60 Substance use and schizophrenia: adverse correlates in the CATIE study sample. Schizophr Res 2011 0.89
61 Memory-prediction errors and their consequences in schizophrenia. Neuropsychol Rev 2009 0.89
62 Risperidone and cognitive function in children with disruptive behavior disorders. Biol Psychiatry 2007 0.87
63 Armodafinil as adjunctive therapy in adults with cognitive deficits associated with schizophrenia: a 4-week, double-blind, placebo-controlled study. J Clin Psychiatry 2010 0.87
64 Validation of the French version of the BACS (the brief assessment of cognition in schizophrenia) among 50 French schizophrenic patients. Eur Psychiatry 2007 0.86
65 AKT1 and neurocognition in schizophrenia. Aust N Z J Psychiatry 2007 0.86
66 The Longitudinal Youth at Risk Study (LYRIKS)--an Asian UHR perspective. Schizophr Res 2013 0.85
67 Optimization of a multinomial model for investigating hallucinations and delusions with source monitoring. Schizophr Res 2006 0.84
68 Treatment outcomes of patients with tardive dyskinesia and chronic schizophrenia. J Clin Psychiatry 2010 0.82
69 Standardizing the use of the Continuous Performance Test in schizophrenia research: a validation study. Schizophr Res 2012 0.82
70 Issues and perspectives in designing clinical trials for negative symptoms in schizophrenia. Schizophr Res 2013 0.82
71 Validation of the Persian version of the brief assessment of cognition in schizophrenia in patients with schizophrenia and healthy controls. Psychiatry Clin Neurosci 2013 0.82
72 The course of cognitive functioning over six months in individuals at clinical high risk for psychosis. Psychiatry Res 2012 0.81
73 Proof-of-concept randomized controlled trial of pregnenolone in schizophrenia. Psychopharmacology (Berl) 2014 0.81
74 The Schizophrenia Cognition Rating Scale: validation of an interview-based assessment of cognitive functioning in Asian patients with schizophrenia. Psychiatry Res 2010 0.81
75 Differential effects of emotional information on interference task performance across the life span. Front Aging Neurosci 2010 0.81
76 No association of the serotonin transporter polymorphisms 5-HTTLPR and RS25531 with schizophrenia or neurocognition. Am J Med Genet B Neuropsychiatr Genet 2010 0.80
77 Adjunctive Minocycline in Clozapine-Treated Schizophrenia Patients With Persistent Symptoms. J Clin Psychopharmacol 2015 0.80
78 A randomized controlled trial of allopurinol vs. placebo added on to antipsychotics in patients with schizophrenia or schizoaffective disorder. Schizophr Res 2012 0.79
79 Sensory acuity and reasoning in delusional disorder. Compr Psychiatry 2002 0.79
80 Employment outcomes in a randomized trial of second-generation antipsychotics and perphenazine in the treatment of individuals with schizophrenia. J Behav Health Serv Res 2008 0.78
81 Unraveling the relationship between obesity, schizophrenia and cognition. Schizophr Res 2013 0.78
82 Formulation of the age-education index: measuring age and education effects in neuropsychological performance. Psychol Assess 2012 0.78
83 Validation of a clinician questionnaire to assess reasons for antipsychotic discontinuation and continuation among patients with schizophrenia. Psychiatry Res 2012 0.78
84 Applicability of the MATRICS Consensus Cognitive Battery in Singapore. Clin Neuropsychol 2013 0.78
85 Social cognition as a mediator between neurocognition and functional outcome in individuals at clinical high risk for psychosis. Schizophr Res 2013 0.77
86 Comprehensive model of how reality distortion and symptoms occur in schizophrenia: could impairment in learning-dependent predictive perception account for the manifestations of schizophrenia? Psychiatry Clin Neurosci 2011 0.77
87 Methods for delivering and evaluating the efficacy of cognitive enhancement. Handb Exp Pharmacol 2015 0.77
88 Cognition and schizophrenia: is there a role for cognitive assessments in diagnosis and treatment? Psychiatry (Edgmont) 2008 0.76
89 Observable Social Cognition--A Rating Scale: an interview-based assessment for schizophrenia. Cogn Neuropsychiatry 2015 0.76
90 CMINDS does not have identical tests to the CATIE and MATRICS batteries. Commentary on O'Halloran et al. Schizophr Res 2008 0.76
91 Clues to the cognitive and perceptual origins of social isolation and psychosis in schizophrenia. Am J Psychiatry 2012 0.76
92 The Singapore flagship programme in translational and clinical research in psychosis. Early Interv Psychiatry 2011 0.76
93 Interview-based assessment of cognition in schizophrenia: applicability of the Schizophrenia Cognition Rating Scale (SCoRS) in different phases of illness and settings of care. Schizophr Res 2013 0.75
94 Criminal justice system involvement among people with schizophrenia. Community Ment Health J 2010 0.75
95 How specific are negative symptoms and cognitive impairment in schizophrenia? An analysis of PANSS and SCoRS. Cogn Neuropsychiatry 2012 0.75
96 The Impact of Medication Anticholinergic Burden on Cognitive Performance in People With Schizophrenia. J Clin Psychopharmacol 2017 0.75
97 Brief assessment of cognition in schizophrenia: normative data in an English-speaking ethnic Chinese sample. Arch Clin Neuropsychol 2013 0.75