Knowra Frontotemporal dementia Frontotemporal dementia Frontotemporal dementia is a group of neurodegenerative disorders that damage the frontal and temporal lobes. It often first affects behavior, personality, or language.
Behavioral variant frontotemporal dementia : A clinical form of frontotemporal dementia marked by progressive changes in behavior, judgment, and personality. This common presentation shows how frontal-lobe damage can alter social conduct and decision-making.
Frontal lobe : The front portion of the cerebral cortex, involved in planning, movement, decision-making, and social behavior. Degeneration here helps explain impaired judgment, motivation, and social restraint.
Semantic variant primary progressive aphasia : A language-led neurodegenerative syndrome marked by loss of word and object meaning. It illustrates temporal-lobe degeneration through progressive erosion of semantic knowledge.
Alzheimer's disease : A progressive neurodegenerative disease commonly causing episodic memory loss and cognitive decline. Early memory impairment is more typical here than in many frontotemporal presentations.
Neuropsychological assessment : The systematic measurement of cognitive abilities and behavior using standardized tests and clinical interpretation. Testing helps characterize executive, language, and social-cognitive deficits in suspected cases.
Primary progressive aphasia : A group of neurodegenerative syndromes in which language ability progressively declines. Language-led presentations are a major clinical route into the frontotemporal dementia spectrum.
Temporal lobe : A cerebral lobe involved in hearing, memory, emotion, and aspects of language comprehension. Its degeneration contributes to language difficulties and changes in semantic knowledge.
Nonfluent/agrammatic variant primary progressive aphasia : A primary progressive aphasia marked by effortful speech, grammatical errors, or both. It demonstrates how degeneration in frontal language networks can impair speech production.
Dementia with Lewy bodies : A neurodegenerative dementia associated with Lewy bodies, visual hallucinations, fluctuating cognition, and parkinsonism. Its hallucinations and motor signs contrast with the early behavioral or language changes often seen here.
Magnetic resonance imaging : A medical imaging technique that uses magnetic fields and radio waves to create images of internal structures. MRI can reveal patterns of frontal and temporal atrophy that support diagnosis.
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