Mental or Behavioral Dysfunction
cognition disorder
cog·ni·tion dis·or·der [ kog-nish-uhn dis-awr-der ]
Subclass of:
Neurocognitive Disorders
Definitions related to cognition disorders:
  • (cognitive disorder) A category of psychiatric disorders which are characterized by a deficit in cognition or memory.
    NCI
    U.S. National Cancer Institute, 2021
  • Disturbances in the mental process related to thinking, reasoning, and judgment.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Disorders characterized by disturbances in mental processes related to learning, thinking, reasoning, and judgment.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Cognitive deficits in children range from profound mental retardation with minimal functioning to mild impairment in specific operations. Definitions Cognitive deficit is an inclusive term that is most often used to describe deficits in intellectual functioning in global disorders (eg, mental retardation).
    Medscape
    WebMD, 2025
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