Much of the age related differences in memory can be explained with simple cognitive mechanisms, such as perceptualspeed, but not attributed to other non cognitive variables.
许多与年龄相关的记忆差异能够用简单的认知机制如知觉速度来解释，却不能归因于非认知变量。
2
Cognitive function was assessed using a battery of 19 tests for various types of memory (episodic, semantic and working memory), as well as perceptualspeed and visuospatial ability.
Impaired odor identification was also associated with a lower level of global cognition at baseline and with more rapid decline in episodic memory, semantic memory, and perceptualspeed.