ARAI Heii, M.D., Ph.D.

Department of Psychiatry and Behavioral Sciences

Short Biography

M.D. Juntendo University Faculty of Medicine
Junior Resident, Juntendo University Hospital
Ph.D. Juntendo University Graduate School of Medicine
The Tokyo Metropolitan Government (Tokyo Institute of Psychiatry)
Faculty Member of the Department of Psychiatry and Behavioral Sciences, Juntendo University
Professor, Department of Psychiatry and Behavioral Sciences, Juntendo University


  • Geriatric Psychiatry
  • Neurobiology

Main Research Topics and Interests

  • Alzheimer’s disease and other neurodegenerative disorders.

Publications (in English)

  • Original Articles (290)
  • Impact Factor (840)
  • Citation Index (4,541)

Recent Main Publications

  • Arai H, Kosaka K, Iizuka R: Changes of biogenic amines and their metabolites in postmortem brains from patients with Alzheimer-type dementia. J Neurochem, 1984; 43: 388-393.
  • Arai H, Takano M, Miyakawa K, Ota T, Takahashi T, Asaka H, Kawaguchi T: A quantitative near-infrared spectroscopy study :A decrease in cerebral hemogrobin oxygenation in Alzheimer's disease and mild cognitive impairment. Brain Cogn, 2006; 61: 189-194.
  • Arai H, Takahashi T: A combination therapy of donepezil and cilostazol for patients with moderate Alzheimer disease: pilot follow-up study. Am J Geriatr Psychiatry, 2009 Apr; 17(4): 353-354.
  • More