Gottesman, II, Gould, TD. The endophenotype concept in psychiatry. Etymology
and strategic intentions. Am J
2003; 160: 636–45.
McClellan, J, Prezbindowski, A, Breiger, D, McCurry, C. Neuropsychological functioning in early onset
psychotic disorders. Schizophr Res
2004; 68: 21–6.
Hill, SK, Keshavan, MS, Thase, ME, Sweeney, JA. Neuropsychological dysfunction in
antipsychotic-naive first-episode unipolar psychotic
depression. Am J Psychiatry
Craddock, N, O'Donovan, MC, Owen, MJ. Genes for schizophrenia and bipolar disorder?
implications for psychiatric nosology. Schizophr
Torrey, EF. Epidemiological comparison of schizophrenia and
bipolar disorder. Schizophr Res
1999; 39: 101–6.
World Health Organization. The ICD–10
Classification of Mental and Behavioural Disorders: Clinical Descriptions
and Diagnostic Guidelines. WHO,
Wing, JK, Babor, T, Brugha, T, Burke, J, Cooper, JE, Giel, R, et al. SCAN. Schedules for Clinical Assessment in
Neuropsychiatry. Arch Gen Psychiatry
1990; 47: 589–93.
Bebbington, P, Nayani, T. The Psychosis Screening
Questionnaire. Int J Methods Psychiatr
1995; 5: 11–9.
Kay, SR, Opler, LA, Lindenmayer, JP. Reliability and validity of the positive and
negative syndrome scale for schizophrenics.
Beck, AT, Steer, A, Brown, GK. Beck Depression Inventory Manual, (4th
Wechsler, D. Wechsler Memory Scale (3rd edn)
Nelson, HE. National Adult Reading Test (NART): Test Manual.
Wechsler, D. Wechsler Abbreviated Scale of Intelligence.
Milner, B. Interhemispheric differences in the localization of
psychological processes in man. Br Med
1971; 27: 272–7.
Meyers, JE, Meyers, KR. Rey Complex Figure Test and Recognition Trial. Professional
Manual. Psychological Assessment
Burgess, P, Shallice, T. The Hayling and Brixton Tests. Test Manual.
Thames Valley Test Company,
Lezak, MD, Howieson, DB, Loring, DW, Hannay, HJ, Fischer, JS. Neuropsychological Assessment.
Oxford University Press,
Perin, D. Phonemic segmentation and spelling.
Br J Psychol
1983; 74: 129–44.
Satomi, K, Kinoshita, Y, Hirakawa, S. Disturbances of cross-localization of fingertips in
a callosal patient. Cortex
1991; 27: 327–31.
Schafer, JL. Multiple imputation: a primer.
Stat Methods Med Res
Lindenmayer, JP, Brown, E, Baker, RW, Schuh, LM, Shao, L, Tohen, M, et al. An excitement subscale of the Positive and
Negative Syndrome Scale. Schizophr Res
2004; 68: 331–7.
Mohamed, S, Paulsen, JS, O'Leary, D, Arndt, S, Andreasen, N. Generalized cognitive deficits in schizophrenia. A
study of first-episode patients. Arch Gen
1999; 56: 749–54.
Bilder, RM, Goldman, RS, Robinson, D, Reiter, G, Bell, L, Bates, JA, et al. Neuropsychology of first-episode
schizophrenia. Initial characterization and clinical
correlates. Am J Psychiatry
2000; 157: 549–59.
Brickman, AM, Buchsbaum, MS, Bloom, R, Bokhoven, P, Paul-Odouard, R, Haznedar, MM, et al. Neuropsychological functioning in
first-break, never-medicated adolescents with psychosis.
J Nerv Ment Dis
2004; 192: 615–22.
Saykin, AJ, Shtasel, DL, Gur, RE, Kester, DB, Mozley, LH, Stafiniak, P, et al. Neuropsychological deficits in neuroleptic
naive patients with first-episode schizophrenia.
Arch Gen Psychiatry
1994; 51: 124–31.
Riley, EM, McGovern, D, Mockler, D, Doku, VC, OCeallaigh, S, Fannon, DG, et al. Neuropsychological functioning in
first-episode psychosis – evidence of specific deficits.
Fitzgerald, D, Lucas, S, Redoblado, MA, Winter, V, Brennan, J, Anderson, J, et al. Cognitive functioning in young people with
first episode psychosis. Relationship to diagnosis and clinical
characteristics. Aust N Z J Psychiatry
2004; 38: 501–10.
Robinson, LJ, Thompson, JM, Gallagher, P, Goswami, U, Young, AH, Ferrier, IN, et al. A meta-analysis of cognitive deficits in
euthymic patients with bipolar disorder. J Affect
2006; 93: 105–15.
Torres, IJ, Boudreau, VG, Yatham, LN. Neuropsychological functioning in euthymic bipolar
disorder: a meta-analysis. Acta Psychiatr Scand
McGuffin, P, Farmer, A, Harvey, I. A polydiagnostic application of operational criteria
in studies of psychotic illness. Arch Gen
1999; 48: 764–70.
Chen, YR, Swann, AC, Johnson, BA. Stability of diagnosis in bipolar
disorder. J Nerv Ment Dis
Mihalopoulos, C, McGorry, P, Roberts, S, McFarlane, C. The procedural validity of retrospective case note
diagnosis. Aust N Z J Psychiatry
2000; 34: 154–9.