腦萎縮
腦萎縮是中樞神經系統疾病所造成的一種症狀, [1]是指腦組織的細胞(神經元)體積縮小。[2]如果大腦半球出現萎縮,思維和自理能力可能會受到影響。
一定程度的腦萎縮是由於衰老而自然發生的。[3]人腦在25歲時基本發育成熟。[4]35歲後大腦開始慢慢萎縮,並以每年0.2%的程度萎縮下去。[5]當達到70歲時,萎縮的速度會加快。[6]到90歲時,人腦相對於25歲時它的重量將減少15%。[7][3]
原因
腦萎縮的進度取決於疾病。
受傷
參考文獻
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- ^ The Shrinking Brain: Cerebral Atrophy Following Traumatic Brain Injury. Annals of Biomedical Engineering. September 2019, 47 (9): 1941–1959. PMC 6757025 . PMID 30341741. doi:10.1007/s10439-018-02148-2.
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- ^ Encyclopedia of Forensic Sciences. 2013. ISBN 978-0-12-382166-9.
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- ^ White matter disease as a biomarker for long-term cerebrovascular disease and dementia. Current Treatment Options in Cardiovascular Medicine. March 2014, 16 (3): 292. PMC 3964019 . PMID 24496967. doi:10.1007/s11936-013-0292-z.
- ^ Harris, Taylor C.; de Rooij, Rijk; Kuhl, Ellen. The Shrinking Brain: Cerebral Atrophy Following Traumatic Brain Injury. Annals of Biomedical Engineering (Springer Science and Business Media LLC). 2018-10-17, 47 (9): 1941–1959. ISSN 0090-6964. PMC 6757025 . PMID 30341741. doi:10.1007/s10439-018-02148-2.