• 1
    Hilleras PK, Jorm AF, Heritz A, Winblad B. Life satisfaction among the very old: a survey on a cognitively intact sample aged 90 years or above. Int J Aging Hum Dev 1999; 52: 7190.
  • 2
    Martin P, Long MV, Poon LW. Age changes and differences in personality traits and states of the old and very old. J Gerontol B Psychol Sci Soc Sci 2002; 57: 144152.
  • 3
    Howieson DB, Camicioli R, Quinn J et al. Natural history of cognitive decline in the old old. Neurology 2003; 60: 14891494.
  • 4
    Corey-Bloom J, Wiederholt WC, Edelstein S et al. Cognitive and functional status of the oldest old. J Am Geriatr Soc 1996; 44: 671674.
  • 5
    Piguet O, Grayson DA, Broe GA et al. Normal aging and executive functions in ‘old-old’ community dwellers: poor performance is not an inevitable outcome. Int Psychogeriatr 2002; 14: 139159.
  • 6
    Mizutani T. Pathological diagnosis of Alzheimer-type dementia for old-old and oldest-old patients. Pathol Int 1996; 46: 842854.
  • 7
    Juva K, Verkkoniemi A, Viramo P et al. APOE epsion 4 does not predict mortality, cognitive decline, or dementia in the oldest old. Neurology 2000; 54: 412415.
  • 8
    Bondi MW, Houston WS, Salmon DP et al. Neuropsychological deficits associated with Alzheimer's disease in the very-old: discrepancies in raw vs. standardized scores. J Int Neuropsychol Soc 2003; 9: 783795.
  • 9
    Fichter MM, Meller I, Schroppel H et al. Dementia and cognitive impairment in the oldest old in the community: prevalence and comorbidity. Br J Psychiatry 1995; 166: 621629.
  • 10
    Hong TB, Zarit SH, Johansson B. Mild cognitive impairment in the oldest old: a comparison of two approaches. Aging Ment Health 2003; 7: 271276.
  • 11
    International Psychogeriatric Association. Behavioural and Psychological Symptoms of Dementia (BPSD). Educational Pack, Module 2: Clinical issues. Available from:
  • 12
    Finkel SI, Costa e Silva J, Cohen G et al. Behavioral and psychological signs and symptoms of dementia: a consensus statement on current knowledge and implications for research and treatment. Int Psychogeriatr 1996; 8: 497500.
  • 13
    Hori K, Oda T, Inada T et al. Clinical features of nonagenarians with dementia: comparison with patients with dementia in Alzheimer's disease of early onset. Iryo 1998; 52: 657663 (in Japanese).
  • 14
    McKhann G, Drachman D, Folstein M et al. Clinical Diagnosis of Alzheimer's Disease. Report of the NINCDS-ADRDA Work Group under the auspieces of Department of Health and Human Services Task Force on Alzheimer's disease. Neurology 1984; 34: 939944.
  • 15
    Folstein MF, Folstein SE, McHugh PR. ‘Mini-Mental State’. a practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res 1975; 12: 189198.
  • 16
    Reisberg B, Ferris SH, Anand R et al. Functional Staging of Dementia of the Alzheimer Type. Ann N Y Acad Sci 1984; 435: 481483.
  • 17
    Kobayashi T, Hariguchi S, Nishimura T et al. A new clinical scale for rating of mental states and activities of daily living of the elderly (NM scale and N-ADL). Jpn J Clin Psychiatry 1988; 17: 16531668. (in Japanese).
  • 18
    Cummings JL, Mega M, Gray K et al. The Neuropsychiatric Inventory: comprehensive assessment of psychopathology in dementia. Neurology 1994; 44: 23082314.
  • 19
    Hirono S, Mori E, Ikejiri Y et al. Japanese version of the Neuropsychiatric Inventory: a scoring system for neuropsychiatric disturbances in dementia patients. No Shinkei 1997; 49: 266271 (in Japanese).
  • 20
    Takeda M, Kanayama I, Nishimura T. Alzheimer's disease and senile dementia of Alzheimer type. Shinkei Seishin Yakuri 1994; 16: 665684 (in Japanese).
  • 21
    Kishi R, Eguchi T, Maeda N et al. Health status, social networks and support systems of so called old old in a population-based comparative study of residents ages 69–74 and 75–80. Nippon Koshu Eisei Zasshi 1996; 43: 10091023 (in Japanese).
  • 22
    Homma A. Characteristics of psychiatric symptoms and behavioral disturbance in dementia. Jpn J Geriatr Psychiatry 1998; 9: 10191024. (in Japanese).
  • 23
    Bassiony MM, Steinberg MS, Warren A et al. Delusions and hallucinations in Alzheimer's disease: prevalence and clinical correlates. Int J Geriatr Psychiatry 2000; 15: 99107.
  • 24
    Hart DJ, Craig D, Compton SA et al. A retrospective study of the behavioural and psychological symptoms of mid and late phase Alzheimer's disease. Int J Geriatr Psychiatry 2003; 18: 10371042.
  • 25
    Haupt M, Janner M, Ebeling S et al. Presentation and stability of noncognitive symptoms pattern in patients with Alzheimer's disease. Alzheimer Dis Assoc Disord 1998; 12: 323329.
  • 26
    Meller I, Fichter MM, Schroppel H. Incidence of depression in octo- and nonagenerians: results of an epidemiological follow-up community study. Eur Arch Psychiatry Clin Neurosci 1996; 246: 9399.
  • 27
    Forsell Y, Winblad B. Feelings of anxiety and associated variables in a very elderly population. Int J Geriatr Psychiatry 1998; 13: 454458.
  • 28
    Isaacowitz DM, Smith J. Positive and negative affect in very old age. J Gerontol B Psychol Sci Soc Sci 2003; 58: 143152.