人有五种年龄,即时序年龄、外貌年龄、生理年龄、心理年龄和社会年龄。其中主要的是生理年龄和心理年龄。心理年龄是指由社会因素和心理因素所造成的主观感受的老化程度,包括感觉、知觉、记忆、思维、想象、智能、情感及意志等因素。由于个人的生活环境不同,所以心理年龄差别很大。有人由于健康状况不佳,经济拮据,丧偶后的家庭孤独,引起意志消沉,精神不振,记忆力减退,悲观忧虑等,于是,他的心理年 People have five kinds of age, that is, sequence of age, appearance age, physical age, psychological age and social age. The main one is the physiological age and mental age. Psychological age refers to the aging degree of subjective feelings caused by social factors and psychological factors, including factors such as sensation, perception, memory, thinking, imagination, intelligence, emotion and volition. Due to the different living environment of individuals, psychological age varies greatly. Some people due to poor health, financial constraints, widowed family loneliness, cause depression, lack of energy, memory loss, pessimism and anxiety, so his mental year