Buchanan RW, Carpenter WT. Concept of schizophrenia. In Kaplan & Sadock's Comprehensive Textbook of Psychiatry (8th edn) (eds Sadock BJ & Sadock VA): 1329. Lippincott Williams & Wilkins, 2005.
Harris MJ, Jeste DV. Late-onset schizophrenia – an overview. Schizophr Bull
1988; 14: 39–55.
Howard R, Rabins PV, Seeman MV, Jeste DV. Late-onset schizophrenia and very-late-onset schizophrenia-like psychosis: an international consensus. Am J Psychiatry
2000; 157: 172–8.
McClennan JM. Early-onset schizophrenia. In Kaplan & Sadock's Comprehensive Textbook of Psychiatry (8th edn) (eds Sadock BJ & Sadock VA): 3307. Lippincott Williams & Wilkins, 2005.
Delisi LE. The significance of age of onset for schizophrenia. Schizophr Bull
1992; 18: 209–15.
Hoff AL, Harris D, Faustman WO, Beal M, DeVilliers D, Mone RD, et al. A neuropsychological study of early onset schizophrenia. Schizophr Res
1996; 20: 21–8.
Johnstone EC, Owens DGC, Bydder GM, Colter N, Crow TJ, Frith CD. The spectrum of structural brain changes in schizophrenia: age of onset as a predictor of cognitive and clinical impairments and their cerebral correlates. Psychol Med
1989; 19: 91–103.
Eggers C, Bunk D. The long-term course of childhood-onset schizophrenia: a 42-year follow-up. Schizophr Bull
1997; 23: 105–17.
Crow TJ, Colter N, Frith CD, Johnstone EC, Owens DGC. Developmental arrest of cerebral asymmetries in early onset schizophrenia. Psychiatry Res
1989; 29: 247–53.
Raz S, Raz N. Structural brain abnormalities in the major psychoses – a quantitative review of the evidence from computerized imaging. Psychol Bull
1990; 108: 93–108.
Heinrichs RW, Zakzanis KK. Neurocognitive deficit in schizophrenia: a quantitative review of the evidence. Neuropsychology
1998; 12: 426–45.
Rajji TK, Mulsant BH. Nature and course of cognitive function in late-life schizophrenia: a systematic review. Schizophr Res
2008; 102: 122–40.
Green MF, Kern RS, Heaton RK. Longitudinal studies of cognition and functional outcome in schizophrenia: implications for MATRICS. Schizophr Res
2004; 72: 41–51.
Heaton R, Paulsen JS, McAdams LA, Kuck J, Zisook S, Braff D, et al. Neuropsychological deficits in schizophrenics. Relationship to age, chronicity, and dementia. Arch Gen Psychiatry
1994; 51: 469–76.
Hoff AL, Sakuma M, Wieneke M, Horon R, Kushner M, Delisi LE. Longitudinal neuropsychological follow-up study of patients with first-episode schizophrenia. Am J Psychiatry
1999; 156: 1336–41.
White T, Ho BC, Ward J, O'Leary D, Andreasen NC. Neuropsychological performance in first-episode adolescents with schizophrenia: a comparison with first-episode adults and adolescent control subjects. Biol Psychiatry
2006; 60: 463–71.
Jeste DV, McAdams LA, Palmer BW, Braff D, Jernigan TL, Paulsen JS, et al. Relationship of neuropsychological and MRI measures to age of onset of schizophrenia. Acta Psychiatr Scand
1998; 98: 156–64.
Paulsen JS, Romero R, Chan A, Davis AV, Heaton RK, Jeste DV. Impairment of the semantic network in schizophrenia. In 23rd Annual Meeting of the International-Neuropsychological-Society: 08–11. Elsevier Science Ireland, 1995.
Tuulio-Henriksson A, Partonen T, Suviusaari J, Haukka J, Lönnqvist J. Age at onset and cognitive functioning in schizophrenia. Br J Psychiatry
2004; 185: 215–9.
Jeste DV, Harris MJ, Krull A, Kuck J, McAdams LA, Heaton R. Clinical and neuropsychological characteristics of patients with late-onset schizophrenia. Am J Psychiatry
1995; 152: 722–30.
Sachdev P, Brodaty H, Rose N, Cathcart S. Schizophrenia with onset after age 50 years. 2: Neurological, neuropsychological and MRI investigation. Br J Psychiatry
1999; 175: 416–21.
American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders (3rd edn) (DSM–III). APA, 1980.
DeLisi LE, Hoff AL, Schwartz JE, Shields GW, Halthore SN, Gupta SM, et al. Brain morphology in 1st-episode schizophrenic-like psychotic patients: a quantitative magnetic resonance imaging study. Biol Psychiatry
1991; 29: 159–75.
Bellgrove MA, Collinson S, Mattingley JB, Pantelis C, Fitzgerald PB, James AC, et al. Attenuation of perceptual asymmetries in patients with early-onset schizophrenia: evidence in favour of reduced hemispheric differentiation in schizophrenia?
2004; 9: 79–91.
Delisi LE, Goldin LR, Maxwell ME, Kazuba DM, Gershon ES. Clinical features of illness in siblings with schizophrenia or schizoaffective disorder. Arch Gen Psychiatry
1987; 44: 891–6.
Cohen J. Statistical Power Analysis for the Behavioral Sciences, (2nd edn). Academic Press, 1988.
Wolf FM. Meta-Analysis: Quantitative Methods for Research Synthesis. Sage, 1986.
Lipsey MW, Wilson DB. Practical Meta-Analysis. Sage, 2000.
Nicolson R, Rapoport JL. Childhood-onset schizophrenia: rare but worth studying. Biol Psychiatry
1999; 46: 1418–28.
Rapoport JL, Addington AM, Frangou S, Psych M. The neurodevelopmental model of schizophrenia: update 2005. Mol Psychiatry
2005; 10: 434–49.
Aleman A, Hijman R, de Haan EHF, Kahn RS. Memory impairment in schizophrenia: a meta-analysis. Am J Psychiatry
1999; 156: 1358–66.
Fioravanti M, Carlone O, Vitale B, Cinti ME, Clare L. A meta-analysis of cognitive deficits in adults with a diagnosis of schizophrenia. Neuropsychol Rev
2005; 15: 73–95.
Henry JD, Crawford JR. A meta-analytic review of verbal fluency deficits in schizophrenia relative to other neurocognitive deficits. Cogn Neuropsychiatry
2005; 10: 1–33.
Laws KR. A meta-analytic review of Wisconsin Card Sort studies in schizophrenia: general intellectual deficit in disguise?
1999; 4: 1–30.
Palmer BW, Heaton RK, Paulsen JS, Kuck J, Braff D, Harris MJ, et al. Is it possible to be schizophrenic yet neuropsychologically normal?
1997; 11: 437–46.
Lee JH, Park S. Working memory impairments in schizophrenia: a meta-analysis. J Abnorm Psychol
2005; 114: 599–611.
Drevets WC, Rubin EH. Psychotic symptoms and the longitudinal course of senile dementia of the Alzheimer type. Biol Psychiatry
1989; 25: 39–48.
Lopez OL, Wisniewski SR, Becker JT, Boller F, DeKosky ST. Psychiatric medication and abnormal behavior as predictors of progression in probable Alzheimer disease. Arch Neurol
1999; 56: 1266–72.
Basso MR, Nasrallah HA, Olson SC, Bornstein RA. Cognitive deficits distinguish patients with adolescent- and adult-onset schizophrenia. Neuropsychiatr Neuropsychol Behav Neurol
1997; 10: 107–12.
Nicolson R, Brookner FB, Lenane M, Gochman P, Ingraham LJ, Egan MF, et al. Parental schizophrenia spectrum disorders in childhood-onset and adult-onset schizophrenia. Am J Psychiatry
2003; 160: 490–5.
Vidal CN, Rapoport JL, Hayashi KM, Geaga JA, Sui YH, McLemore LE, et al. Dynamically spreading frontal and cingulate deficits mapped in adolescents with schizophrenia. Arch Gen Psychiatry
2006; 63: 25–34.
Dickinson D, Ramsey ME, Gold JM. Overlooking the obvious: a meta-analytic comparison of digit symbol coding tasks and other cognitive measures in schizophrenia. Arch Gen Psychiatry
2007; 64: 532–42.
Sanfilipo M, Lafargue T, Rusinek H, Arena L, Loneragan C, Lautin A, et al. Cognitive performance in schizophrenia: relationship to regional brain volumes and psychiatric symptoms. Psychiatry Res
2002; 116: 1–23.
Keefe RSE. The contribution of neuropsychology to psychiatry. Am J Psychiatry
1995; 152: 6–15.