cognitive impairment

American  

[kog-ni-tiv im-pair-muhnt] / ˈkɒg nɪ tɪv ɪmˈpɛər mənt /

noun

1. a temporary or permanent loss of mental functions, causing forgetfulness, lack of concentration, learning difficulties, and other reductions in effective thinking.

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Etymology

Origin of cognitive impairment

First recorded in 1960–65

Example Sentences

Another 2025 study using Mendelian randomization found no clear evidence that genetically higher total serum B12 levels protect the general population from psychiatric disorders or cognitive impairment.

From Science Daily • May 22, 2026

The mild cognitive impairment that Poulsen was diagnosed with in 2019 progressed to Alzheimer’s disease.

From The Wall Street Journal • Apr. 18, 2026

As these drugs have given new hope to millions of people with dementia or cognitive impairment, and sales worldwide are skyrocketing, the implications are potentially huge.

From MarketWatch • Apr. 18, 2026

Take immediate steps to safeguard your brother’s safety: He may need an assessment for dementia or cognitive impairment from a neurologist or geriatrician.

From MarketWatch • Feb. 27, 2026

The study, published in Alzheimer's and Dementia: The Journal of the Alzheimer's Association, examined older adults both with and without cognitive impairment.

From Science Daily • Feb. 24, 2026

Related Words

• debilitation
• impairment
• incapacitation
• intellectual disability
• limitation
• restriction