R. Zipursky

Publications226
h-index69
Citations16,944
Highly Influential Citations678
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A quantitative magnetic resonance imaging study of changes in brain morphology from infancy to late adulthood.
OBJECTIVE To model in vivo the dynamic interrelations of head size, gray matter, white matter, and cerebrospinal fluid (CSF) volumes from infancy to old age using magnetic resonance imaging (MRI). … Expand
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Antipsychotic drug effects on brain morphology in first-episode psychosis.
BACKGROUND Pathomorphologic brain changes occurring as early as first-episode schizophrenia have been extensively described. Longitudinal studies have demonstrated that these changes may be… Expand
  • 705
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Relationship between dopamine D(2) occupancy, clinical response, and side effects: a double-blind PET study of first-episode schizophrenia.
OBJECTIVE Since all antipsychotics block dopamine D(2) receptors, the authors investigated how well D(2) receptor occupancy in vivo predicts clinical response, extrapyramidal side effects, and… Expand
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Clinical and theoretical implications of 5-HT2 and D2 receptor occupancy of clozapine, risperidone, and olanzapine in schizophrenia.
OBJECTIVE Dopamine D2 receptor occupancy measurements provide a valid predictor of antipsychotic response, extrapyramidal side effects, and elevation of prolactin levels. The new antipsychotics… Expand
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Randomized, double-blind trial of olanzapine versus placebo in patients prodromally symptomatic for psychosis.
OBJECTIVE This study assessed the efficacy of olanzapine in delaying or preventing conversion to psychosis and reducing symptoms in people with prodromal symptoms of schizophrenia. METHOD This… Expand
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A positron emission tomography study of quetiapine in schizophrenia: a preliminary finding of an antipsychotic effect with only transiently high dopamine D2 receptor occupancy.
BACKGROUND Quetiapine is a new atypical antipsychotic medication. As such, relatively little has been published regarding its in vivo effects at the dopamine type 2 (D2) and serotonin type 2a… Expand
  • 381
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Comparative efficacy and safety of atypical and conventional antipsychotic drugs in first-episode psychosis: a randomized, double-blind trial of olanzapine versus haloperidol.
OBJECTIVE Few long-term studies have compared the efficacy and safety of typical and atypical antipsychotic medications directly in patients with a first episode of psychosis who met the criteria for… Expand
  • 379
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Evidence for impaired cortical inhibition in schizophrenia using transcranial magnetic stimulation.
BACKGROUND Cortical inhibition (CI) deficits have been proposed as a pathophysiologic mechanism in schizophrenia. This study employed 3 transcranial magnetic stimulation (TMS) paradigms to assess CI… Expand
  • 266
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A systematic review of longitudinal outcome studies of first-episode psychosis.
BACKGROUND Existing outcome literature has had an over-representation of chronic patients and suggested a progressive course and poor outcome for schizophrenia. The current study aimed to recombine… Expand
  • 266
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Pregnancy outcome of women using atypical antipsychotic drugs: a prospective comparative study.
BACKGROUND A substantial number of women of childbearing age suffer from schizophrenia and other mental illnesses that require the use of antipsychotic drugs. Atypical antipsychotics have been on the… Expand
  • 288
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