Cognitive dysfunction
Cognitive dysfunction refers to a decline in cognitive abilities such as memory, attention, executive function, language, and processing speed. It can range from mild cognitive impairment (MCI) to severe dementia, impacting daily activities and quality of life. Causes are diverse, including neurodegenerative diseases (e.g., Alzheimer's), vascular conditions, traumatic brain injury, psychiatric disorders, and systemic medical conditions. Diagnosis involves clinical assessment, neuropsychological testing, and sometimes neuroimaging.
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