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Premorbid IQ in Schizophrenia: A Meta-Analytic Review

Published on May 1, 2008in American Journal of Psychiatry13.65
· DOI :10.1176/appi.ajp.2008.07081242
Kristen A. Woodberry15
Estimated H-index: 15
,
Anthony J. Giuliano18
Estimated H-index: 18
,
Larry J. Seidman104
Estimated H-index: 104
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Abstract
Objective: Over the past three decades, there have been significant changes in the diagnostic criteria for schizophrenia as well as changes in measurement of IQ. The last quantitative review of the literature on premorbid IQ in schizophrenia was published more than two decades ago. Since that time, there have been many published studies of data sets pertaining to this issue. The purpose of the present review was to provide an updated meta-analysis of premorbid IQ in individuals who later develop schizophrenia. Method: The authors performed a systematic literature search, which yielded 18 studies that met criteria for the meta-analysis. Inclusion criteria were 1) premorbid psychometric measures of IQ in subjects who were later diagnosed with schizophrenia, schizoaffective disorder, or schizophreniform disorder, 2) similar comparison data, and 3) sufficient data for calculation of an effect size. The analogue to the analysis of variance method was used to model between-study variance due to key study-design...
  • References (34)
  • Citations (355)
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References34
Newest
#1Holger J. Sørensen (Copenhagen University Hospital)H-Index: 19
#2Erik Lykke Mortensen (UCPH: University of Copenhagen)H-Index: 52
Last.Sarnoff A. Mednick (SC: University of Southern California)H-Index: 69
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#1Todd Lencz (Albert Einstein College of Medicine)H-Index: 66
#2Christopher W. Smith (North Shore-LIJ Health System)H-Index: 14
Last.Barbara A. Cornblatt (Albert Einstein College of Medicine)H-Index: 40
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#1Marie-Claire Whyte (Edin.: University of Edinburgh)H-Index: 5
#2Caroline E. Brett (Edin.: University of Edinburgh)H-Index: 15
Last.Eve C. Johnstone (Edin.: University of Edinburgh)H-Index: 66
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#1Larry J. Seidman (Massachusetts Mental Health Center)H-Index: 104
#2Stephen L. Buka (Harvard University)H-Index: 62
Last.Ming T. Tsuang (UCSD: University of California, San Diego)H-Index: 120
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#1William S. Kremen (UCSD: University of California, San Diego)H-Index: 51
#2Michael J. Lyons (BU: Boston University)H-Index: 67
Last.Ming T. Tsuang (UCSD: University of California, San Diego)H-Index: 120
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#1Avi Reichenberg (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 52
#2Mark Weiser (Sheba Medical Center)H-Index: 40
Last.Mark R. Serper Philip D. Harvey and Mich (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 83
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#1Asaf Caspi (Sheba Medical Center)H-Index: 13
#2Avi Reichenberg (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 52
Last.Michael Davidson (Sheba Medical Center)H-Index: 108
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Cited By355
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#1Kelly Allott (University of Melbourne)H-Index: 18
#2Stephen J. Wood (University of Birmingham)H-Index: 72
Last.Christina Broussard (University of Melbourne)H-Index: 4
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#1Wanda M. Tempelaar (CAMH: Centre for Addiction and Mental Health)
#2Esther Mesman (Erasmus University Medical Center)
Last.Manon H. J. Hillegers (Erasmus University Medical Center)H-Index: 1
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#1Marfred Munoz Umanes (Semel Institute for Neuroscience and Human Behavior)
#2Cristian Vargas Upegui (UdeA: University of Antioquia)H-Index: 1
Last.Carrie E. Bearden (Semel Institute for Neuroscience and Human Behavior)H-Index: 58
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