• 1
    Cummings JL, Cole G. Alzheimer disease. J. Am. Med. Assoc. 2002; 287: 23352338.
  • 2
    International Psychogeriatric Association. Behavioral and Psychological Signs and Symptoms in Dementia (BPSSD): implications for research and treatment. Int. Psychogeriatr. 1996; 8: 215552.
  • 3
    Nagaratnam N, Lewis-Jones M, Scott D, Palazzi L. Behavioural and psychiatric manifestations in dementia patients in a community: caregiver burden and outcome. Alzheimer Dis. Assoc. Disord. 1998; 12: 330334.
  • 4
    Haupt M, Kurz A. Predictors of nursing home placement in patients with Alzheimer's disease. Int. J. Geriatr. Psychiatry 1993; 8: 741747.
  • 5
    Herrmann N, Lanctôt KL, Sambrook R et al. The contribution of neuropsychiatric symptoms to the cost of dementia care. Int. J. Geriatr. Psychiatry 2006; 21: 972976.
  • 6
    Asada T, Motonaga T, Kinoshita T. Predictors of severity of behavioral disturbance among community-dwelling elderly individuals with Alzheimer's disease: a 6-year follow-up study. Psychiatry Clin. Neurosci. 2000; 54: 673677.
  • 7
    Gilley DW, Wilson RS, Bennett DA, Bernard BA, Fox JH. Predictors of behavioral disturbance in Alzheimer's disease. J. Gerontol. 1991; 46: 362371.
  • 8
    Kurita A, Blass JP, Nolan KA, Black RS, Thaler HT. Relationship between cognitive status and behavioral symptoms in Alzheimer's disease and mixed dementia. J. Am. Geriatr. Soc. 1993; 41: 732736.
  • 9
    Royall DR. Precis of executive dyscontrol as a cause of problem behavior in dementia. Exp. Aging Res. 1994; 20: 7394.
  • 10
    Chen ST, Sultzer DL, Hinkin CH, Mahler ME, Cummings JL. Executive dysfunction in Alzheimer's disease: association with neuropsychiatric symptoms and functional impairment. J Neuropsychiatry Clin. Neurosci. 1998; 10: 426432.
  • 11
    Boyle PA, Malloy PF, Salloway S, Cahn-Weiner DA, Cohen R, Cummings JL. Executive dysfunction and apathy predict functional impairment in Alzheimer's disease. Am. J. Geriatr. Psychiatry 2003; 11: 214221.
  • 12
    Tsoi T, Baillon S, Lindesay J. Early frontal executive impairment as a predictor of subsequent behavior disturbance in dementia. J. Am. Geriatr. Soc. 2008; 16: 102108.
  • 13
    Haupt M, Kurz A, Jänner M. A 2-year follow-up of behavioural and psychological symptoms in Alzheimer's disease. Dement. Geriatr. Cogn. Disord. 2000; 11: 147152.
  • 14
    Isaacs B, Kennie AT. The set test as an aid to the detection of dementia in old people. Br. J. Psychiatry 1973; 123: 467470.
  • 15
    Lezak MD. Neuropsychological Assessment, 3rd edn. Oxford University Press, Oxford, 1995.
  • 16
    Lam LC, Ho P, Lui VW, Tam CW. Reduced semantic fluency as an additional screening tool for subjects with questionable dementia. Dement. Geriatr. Cogn. Disord. 2006; 22: 159164.
  • 17
    Tabert MH, Manly JJ, Liu X et al. Neuropsychological prediction of conversion to Alzheimer's disease in patients with mild cognitive impairment. Arch. Gen. Psychiatry 2006; 63: 916924.
  • 18
    Sabbagh MN, Lahti T, Connor DJ et al. Functional ability correlates with cognitive impairment in Parkinson's disease and Alzheimer's disease. Dement. Geriatr. Cogn. Disord. 2007; 24: 327334.
  • 19
    Jones S, Laukka EJ, Bäckman L. Differential verbal fluency deficits in the preclinical stages of Alzheimer's disease and vascular dementia. Cortex 2006; 42: 347355.
  • 20
    Cosentino S, Scarmeas N, Albert SM, Stern Y. Verbal fluency predicts mortality in Alzheimer disease. Cogn. Behav. Neurol. 2006; 19: 123129.
  • 21
    Senanarong V, Poungvarin N, Jamjumras P et al. Neuropsychiatric symptoms, functional impairment and executive ability in Thai patients with Alzheimer's disease. Int. Psychogeriatr. 2005; 17: 8190.
  • 22
    American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), 4th edn. American Psychiatric Association, Washington, DC, 1994.
  • 23
    McKhann G, Drachman D, Folstein M, Katzman R, Price D, Stadlan EM. Clinical diagnosis of Alzheimer's disease: report of the NINCDS-ADRDA work group under the auspices of Department of Health and Human Services Task Force on Alzheimer's Disease. Neurology 1984; 34: 939944.
  • 24
    Folstein M, Folstein S, McHugh P. ‘Mini-Mental State’: a practical method for grading the cognitive state of patients for the clinician. J. Psychiatr. Res. 1975; 12: 189198.
  • 25
    Harrison JE, Buxton P, Husain M, Wise R. Short test of semantic and phonological fluency: normal performance, validity and test-retest reliability. Br. J. Clin. Psychol. 2000; 39: 181191.
  • 26
    Henry JD, Crawford JR, Phillips LH. Verbal fluency performance in dementia of the Alzheimer type: a meta-analysis. Neuropsychologia 2004; 42: 12121222.
  • 27
    Welsh KA, Butters N, Mohs RC et al. The Consortium to Establish a Registry for Alzheimer's Disease (CERAD). Part V. A normative study of the neuropsychological battery. Neurology 1994; 44: 609614.
  • 28
    Vakil E, Blachstein H. Rey Auditory-Verbal Learning Test: Structure analysis. J. Clin. Psychol. 1993; 49: 883890.
  • 29
    Morris JC. The Clinical Dementia Rating (CDR): current version and scoring rules. Neurology 1993; 43: 24122414.
  • 30
    Cummings JL, Mega M, Gray K, Rosenberg-Thompson S, Carusi DA, Gornbein J. The Neuropsychiatric Inventory: comprehensive assessment of psychopathology in dementia. Neurology 1994; 44: 23082314.
  • 31
    Fuh JL, Liu CK, Mega MS, Wang SJ, Cummings JL. Behavioral disorders and caregivers' reaction in Taiwanese patients with Alzheimer's disease. Int. Psychogeriatr. 2001; 13: 121128.
  • 32
    Aalten P, Verhey FR, Boziki M et al. Neuropsychiatric syndromes in dementia. Results from the European Alzheimer Disease Consortium: part I. Dement. Geriatr. Cogn. Disord. 2007; 24: 457463.
  • 33
    Swanberg MM, Tractenberg RE, Mohs R, Thal LJ, Cummings JL. Executive dysfunction in Alzheimer disease. Arch. Neurol. 2004; 61: 556560.
  • 34
    Fuh JL, Cummings JL. Top cited papers in international psychogeriatrics: 6b. Behavioral disorders and caregivers' reaction in Taiwanese patients with Alzheimer's disease. Int. Psychogeriatr. 2009; 21: 10311036.
  • 35
    Duffy JD, Campbell JJ. The regional prefrontal syndromes: theoretical and clinical overview. J. Neuropsychiatry Clin. Neurosci. 1994; 6: 379387.
  • 36
    Tekin S, Cummings JL. Frontal-subcortical neuronal circuits and clinical neuropsychiatry: an update. J. Psychosom. Res. 2002; 53: 647654.
  • 37
    Sultzer DL, Mahler ME, Mandelkern MA et al. The relationship between psychiatric symptoms and regional cortical metabolism in Alzheimer's disease. J. Neuropsychiatry Clin. Neurosci. 1995; 7: 476484.
  • 38
    Jeste DV, Wragg RE, Salmon DP, Harris MJ, Thal LJ. Cognitive deficits of patients with Alzheimer's disease with and without delusions. Am. J. Psychiatry 1992; 149: 184189.
  • 39
    Rossell SL. Category fluency performance in patients with schizophrenia and bipolar disorder: The influence of affective categories. Schizophr. Res. 2006; 28: 135138.
  • 40
    Spalletta G, Baldinetti F, Buccione I et al. Cognition and behaviour are independent and heterogeneous dimensions in Alzheimer's disease. J. Neurol. 2004; 251: 688695.