孤独症患者的时间认知障碍

Besides cognitive disorders,such as disorders of learning, language, etc, the autistic patients generally have temporal cognitive disorders as well, including disorders of sense of time, disorders of memory of time, disorders of temporal behaviour, and disorders of self-consistency. Researchers discussed the possible causes of the temporal cognitive disorders of autistic patients from various ways such as of physiology, heredity, and environment;whereas, there are no generally accepted conclusions till now. Further researches are still needed.

常见痴呆类型及典型特征

1.阿尔茨海默病（AD）：最常见，占全部痴呆的60％-80％。早期症状包括姓名和近期时间记忆障碍、淡漠和抑郁；晚期症状包括判断、定向力障碍，行为改变，语言、吞咽及行走困难。β-淀粉样蛋白沉积和v蛋白缠结是其典型病理改变。2.血管性痴呆（VaD）：第二种常见类型痴呆，常由一系列小卒中引起大脑血流量减少所致。