Cognitive impairment in older adults was linked to midlife losses in memory, word fluency, and perceptual quickness.
According to Salthouse, who concurs with Schaie, cognitive functioning incorporating accumulated knowledge—such as vocabulary and general knowledge—does not exhibit an early age-related decline but rather keeps getting better at least until the age of 60.
The results indicate that several of the key mental talents' slopes of decline have greatly flattened throughout young old age. Verbal meaning, inductive reasoning, spatial orientation, and psychomotor speed all fall under this category. in Schaie (2004)
To know more about Willis and schaie's analysis, refer:
https://brainly.com/question/9115002
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