Many American families care for an adult with a cognitive (brain) impairment. Cognitively-impaired people have difficulty with one or more of the basic functions of their brain, such as perception, memory, concentration, and reasoning skills. Jan 03, · Cognitive impairment occurs when problems with thought processes occur. It can include loss of higher reasoning, forgetfulness, learning disabilities, concentration difficulties, decreased intelligence, and other reductions in mental functions. Cognitive impairment may be present at birth or can occur at any point in a person’s lifespan.
Cognitive impairment in older adults has a variety of possible causes, including medication side effects, metabolic and/or endocrine derangements, delirium due to intercurrent illness, depression and dementia, with Alzheimer’s dementia being most common. Some causes, like medication side effects and depression, can be reversed with treatment.