Geriatric Psychology, A Behavioral Perspective By Richard A. Hussian, PH.D.

Geriatric Psychology: A Behavioral Perspective is a seminal textbook written by Richard A. Hussian, Ph.D. and published by Van Nostrand Reinhold on January 1, 1981. 

The 244-page book serves as an introductory text for clinical psychologists and health professionals. It details how behaviorist concepts—including reinforcement schedules, learning, shaping, and learned helplessness—apply directly to assessing and treating psycho-geriatric conditions.