Casual Daily Haircut: Lily Collins Shoulder Length Straight Hairstyle for travel Brink (1949- ), psychiatrist Jerome A. Yesavage, and colleagues] geriatric disorder any disease or chronic condition that occurs commonly, but not exclusively, among older people. Examples of geriatric disorders include glaucoma, arthritis, and Alzheimer’s disease and other dementias. geriatrician n. a physician, psychologist, or other health care provider who specializes in the biopsychosocial treatment and management of older adults. geriatric neuropsychology an applied subspecialty in neuropsychology addressing the assessment and intervention of COGNITIVE dysfunction in older adults and aimed at improving their functioning and quality of life. geriatric psychology see geropsychology. Casual Daily Haircut: Lily Collins Shoulder Length Straight Hairstyle 2016.