Aging (biology): Difference between revisions
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imported>Robert Badgett (New page: {{subpages}} In biology, '''aging''' is defined as the "gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time."<ref>{{MeSH...) |
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In [[biology]], '''aging''' is defined as the "gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time."<ref>{{MeSH}}</ref> | In [[biology]], '''aging''' is defined as the "gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time."<ref>{{MeSH}}</ref> | ||
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==Cognition== | ==Cognition== | ||
{{main|cognition}} | {{main|cognition}} | ||
===Normal aging=== | ===Normal aging=== | ||
Decline in executive control may occur with aging.<ref name="pmid14962147">{{cite journal |author=Royall DR, Palmer R, Chiodo LK, Polk MJ |title=Declining executive control in normal aging predicts change in functional status: the Freedom House Study |journal=J Am Geriatr Soc |volume=52 |issue=3 |pages=346–52 |year=2004 |month=March |pmid=14962147 |doi= |url=http://www.blackwell-synergy.com/openurl?genre=article&sid=nlm:pubmed&issn=0002-8614&date=2004&volume=52&issue=3&spage=346 |issn=}}</ref> | Decline in executive control may occur with aging.<ref name="pmid14962147">{{cite journal |author=Royall DR, Palmer R, Chiodo LK, Polk MJ |title=Declining executive control in normal aging predicts change in functional status: the Freedom House Study |journal=J Am Geriatr Soc |volume=52 |issue=3 |pages=346–52 |year=2004 |month=March |pmid=14962147 |doi= |url=http://www.blackwell-synergy.com/openurl?genre=article&sid=nlm:pubmed&issn=0002-8614&date=2004&volume=52&issue=3&spage=346 |issn=}}</ref> Loss of nonverbal skills, which can be measured by tests of clock drawing<ref name="pmid9598672">{{cite journal |author=Royall, D.; Cordes J.; & Polk M. |title=CLOX: an executive clock drawing task |journal=J Neurol Neurosurg Psychiatry |volume=64 |issue=5 |pages=588-94 |year=1998 |pmid=9598672 | url=http://jnnp.bmj.com/cgi/content/full/64/5/588}} [http://www.pubmedcentral.nih.gov/articlerender.fcgi?pubmedid=9598672 Full text at PubMed Central] [http://jnnp.bmj.com/cgi/content/full/64/5/588/F3 Example form]</ref>, may be especially important.<ref name="pmid17322135">{{cite journal |author=Royall DR, Chiodo LK, Mouton C, Polk MJ |title=Cognitive predictors of mortality in elderly retirees: results from the Freedom House study |journal=Am J Geriatr Psychiatry |volume=15 |issue=3 |pages=243–51 |year=2007 |month=March |pmid=17322135 |doi=10.1097/01.JGP.0000240824.84867.02 |url=http://ajgponline.org/cgi/pmidlookup?view=long&pmid=17322135 |issn=}}</ref> | ||
===Dementia=== | ===Dementia=== | ||
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==References== | ==References== | ||
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Latest revision as of 06:01, 7 July 2024
This article is about Aging (biology). For other uses of the term Age , please see Age (disambiguation).
In biology, aging is defined as the "gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time."[1] {{#ev:vimeo|106228|275}} A series of photos, taken daily over the course of 8 years.
(CC) Photo series: Jonathan Keller — view on Vimeo
Cognition
Normal aging
Decline in executive control may occur with aging.[2] Loss of nonverbal skills, which can be measured by tests of clock drawing[3], may be especially important.[4]
Dementia
References
- ↑ Anonymous (2024), Aging (biology) (English). Medical Subject Headings. U.S. National Library of Medicine.
- ↑ Royall DR, Palmer R, Chiodo LK, Polk MJ (March 2004). "Declining executive control in normal aging predicts change in functional status: the Freedom House Study". J Am Geriatr Soc 52 (3): 346–52. PMID 14962147. [e]
- ↑ Royall, D.; Cordes J.; & Polk M. (1998). "CLOX: an executive clock drawing task". J Neurol Neurosurg Psychiatry 64 (5): 588-94. PMID 9598672. Full text at PubMed Central Example form
- ↑ Royall DR, Chiodo LK, Mouton C, Polk MJ (March 2007). "Cognitive predictors of mortality in elderly retirees: results from the Freedom House study". Am J Geriatr Psychiatry 15 (3): 243–51. DOI:10.1097/01.JGP.0000240824.84867.02. PMID 17322135. Research Blogging.