GRT 2111 Lecture Notes - Semantic Dementia, Numerical Cognition, Executive Functions
11 Feb 2013
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Document Summary
Cognition is a term referring to the mental processes involved in gaining knowledge and comprehension. It includes thinking, knowing, remembering, judging and problem-solving. These are higher-level functions of the brain and encompass language, imagination, perception and planning. Severely impaired in some forms of dementia. Semantic & procedural memory are generally intact in normal aging. Working memory: some decline is observed in normal aging. Semantic & procedural memory exhibit impairment in some conditions: Working memory: ad, some decline in normal aging. Language function is generally intact, or even improved, in older adults. However, it is affected in certain brain disorders: Stroke: can have difficulty with production especially of function words or with comprehension. Alzheimer"s disease: difficulty with knowing the meanings of words. Semantic dementia: similar to ad but more specific & severe. Executive functions are a set of cognitive abilities that control and regulate other abilities and behaviors includes the ability to:
