dementian.

Brit.

/dᵻˈmɛnʃə/, U.S.

/dəˈmɛn(t)ʃ(i)ə/

Origin: A borrowing from Latin. Etymon: Latin dēmentia.

Etymology: < classical Latin dēmentia madness, insanity, craziness, folly < dēment- , dēmēns dement adj. + -ia -ia suffix¹. Compare earlier demency n. and Romance forms cited at that entry.

1. Medicine. Originally: insanity, esp. when primarily affecting thinking and judgement; (also) absence or impairment of intellectual faculties. In later use: spec. impairment of memory and of abstract thinking, often with other disturbances of cognitive function and with personality change; a syndrome characterized by this, resulting from primary degenerative disease of the brain (most commonly Alzheimer's disease in the elderly), or from various other conditions (cerebrovascular disease, infections, tumours, etc.) which affect the brain.More common in legal than in medical use until the early 19th cent., when démence appeared in French classifications of mental illness by Pinel and Esquirol (cf. quot. 1806). The definition of dementia in neurology and psychiatry has undergone many changes since this early use.In popular and non-technical use now often identified with Alzheimer's disease.presenile, senile, vascular dementia: see the first element. See also dementia praecox n.

ΘΚΠ

the world > health and disease > mental health > mental illness > [noun] > insanity or madness

woodnessc1000

woodshipc1000

madshipc1225

woodc1275

woodhead1303

ragec1330

amentiaa1398

madnessa1398

frenzy?a1400

madheada1400

maddingc1400

alienation?a1425

furiosity?a1475

derverye1480

forcenery1480

furiousnessc1500

unwitness1527

unwitting1527

demencya1529

straughtness1530

insaniea1538

brainsickness1541

lunacy1541

amenty1557

distraughtness1576

dementation?1583

straughtedness1583

insanity1590

crazedness1593

bedlam1598

dementia1598

insanation1599

non compos mentis1607

distraction1609

daffinga1614

disinsanitya1625

cerebrosity1647

vecordy1656

fanaticness1662

non-sanity1675

insaneness1730

craziness1755

hydrophobia1760

vecord1788

derangement1800

vesania1800

a screw loose1810

unsoundness1825

dementedness1833

craze1841

psychosis1847

crackiness1861

feyness1873

crack1891

meshugas1898

white ant1908

crackedness1910

pottiness1933

loopiness1939

wackiness1941

screwballism1942

kink1959

the world > health and disease > mental health > mental illness > degree or type of mental illness > [noun] > impairment of mental powers

dementia1598

stupor1806

demency1858

Pick's disease1927

1598 J. Mosan tr. C. Wirsung Praxis Med. Vniuersalis i. xii. 130 (heading) Of Melancholia or Dementia, a woonderfull madnesse.

a1676 M. Hale Historia Placitorum Coronæ (1736) I. iv. 31 This accidental dementia, whether total or partial, is distinguished into that which is permanent or fixed, and that which is interpolated, and by certain periods and vicissitudes.

1761 E. Umfreville Lex Coronatoria I. xiv. 128 The Permanent or fixt Dementia is usually called Madness; and that which is temporary, and appears at certain Periods and by Vicissitudes, Lunacy.

1806 D. Davis tr. P. Pinel Treat. Insanity 252 To cause periodical and curable mania to degenerate into dementia [Fr. démence] or idiotism.

1850 Amer. Jrnl. Med. Sci. 19 205 The complication or occurrence of dementia, M. Lunier regards as an almost constant symptom of the disease [sc. progressive general palsy], when it has reached a certain stage.

1856 Hooper's Physician's Vade-Mecum (ed. 5) 120 The sudden attacks of dementia produce a state of mind nearly allied to idiocy, while those which come on more gradually resemble more closely the different degrees of imbecility.

1874 H. Maudsley Responsibility in Mental Dis. iii. 73 When his memory is impaired, his feelings quenched, his intelligence enfeebled or extinct, he is said to be suffering from dementia.

1907 W. A. Turner Epilepsy vi. 129 A third epileptic, whose post-convulsive symptoms were mainly of the nature of cataleptic rigidity and dementia.

1955 H. H. Merritt Textbk. Neurol. vi. 417 The cardinal symptoms of both Pick's and Alzheimer's disease are progressive dementia and disturbances in the speech.

2011 New Yorker 14 Mar. 32/1 Dementia affects more than half of people over eighty-five, a population that is often called the ‘new old’.

2. gen. Complete loss of judgement; (wild) foolishness resembling insanity; an instance of this.

ΚΠ

1627 W. Sclater Briefe Expos. 2 Thess. 86 In his apprehension it sounds, putting beside their minde or right wits; as if some dementia should seize them when once they gaue way to vnsound doctrine.]

1846 Standard 22 Apr. It would ensure a body, consisting exclusively of volunteers, for the prosecution of every scheme persisted in, and who have had ample time to reflect since the dementia has gone off.

1877 J. Morley Crit. Misc. 2nd Ser. 130 Emissaries..succeeded in persuading them—such the dementia of the night—that Robespierre was a Royalist agent.

1906 N. Amer. Rev. Mar. 459 It seems to me almost a species of dementia to pretend either that Protection was not the controlling issue of the campaign or that the country did not pronounce emphatically against it.

1956 H. Miller Time of Assassins ii. 119 To the Frenchman cultivating his garden it must..have seemed like sheer dementia.

2010 Daily Tel. (Nexis) 28 May 28 It was when I switched on the news yesterday to find three grown men in suits discussing the finer points of Cheryl Cole's divorce that I knew for sure: we are in the grip of a collective dementia.

Compounds

General attributive (in sense 1).

ΚΠ

1845 J. Adshead Prisons & Prisoners 22 Thus much for accuracy of statement and the alleged ‘incurable dementia’ cases.

1885 Amer. Homœopathist 11 206/1 A portion of the building is occupied by chronic dementia patients.]

1897 Jrnl. Mental Sci. 43 95 The average age of the dementia cases was 67.

1916 Pacific Med. Jrnl. 59 241 Psychosis with dementia symptoms predominating.

1968 Brit. Jrnl. Psychiatry 114 805/1 Many of the severely demented subjects did, in fact, have changes which were very rare among those with low dementia scores.

1998 Community Care 30 Apr. 53/1 (advt.) In addition there are 2 outreach centres and a dementia unit.

2012 Daily Tel. 24 Feb. 6/1 Scientists have found evidence that prescribing ‘chemical cosh’ drugs to dementia patients can double their risk of early death.

Derivatives

deˈmential adj. [frequently after French démentiel (1883)] now rare of or relating to dementia; of the nature of dementia; demented.

ΚΠ

1853 tr. A. Brierre de Boismont Hallucinations 159 As in the first of the forms, there is a monomaniacal, a maniacal, and a demential variety [Fr. une variété démente].

1917 Lancet 3 Mar. 336/1 In advanced cases..where death has occurred from some intercurrent disease in the demential stage, the syphilitic organisms are less easily found.

1979 Economist 29 July 112/2 Céline had published two pamphlets whose anti-semitism was so demential that André Gide, for one, imagined that they were a send-up of the whole sorry business.

2006 H. R. Moody Aging 275 Senile dementia of the Alzheimer's type (SDAT)..is the most common cause of irreversible dementia of old age, accounting for two thirds of all demential conditions.

This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022).

单词	dementia
释义	dementian. Brit. /dᵻˈmɛnʃə/, U.S. /dəˈmɛn(t)ʃ(i)ə/ Origin: A borrowing from Latin. Etymon: Latin dēmentia. Etymology: < classical Latin dēmentia madness, insanity, craziness, folly < dēment- , dēmēns dement adj. + -ia -ia suffix¹. Compare earlier demency n. and Romance forms cited at that entry. 1. Medicine. Originally: insanity, esp. when primarily affecting thinking and judgement; (also) absence or impairment of intellectual faculties. In later use: spec. impairment of memory and of abstract thinking, often with other disturbances of cognitive function and with personality change; a syndrome characterized by this, resulting from primary degenerative disease of the brain (most commonly Alzheimer's disease in the elderly), or from various other conditions (cerebrovascular disease, infections, tumours, etc.) which affect the brain.More common in legal than in medical use until the early 19th cent., when démence appeared in French classifications of mental illness by Pinel and Esquirol (cf. quot. 1806). The definition of dementia in neurology and psychiatry has undergone many changes since this early use.In popular and non-technical use now often identified with Alzheimer's disease.presenile, senile, vascular dementia: see the first element. See also dementia praecox n. ΘΚΠ the world > health and disease > mental health > mental illness > [noun] > insanity or madness woodnessc1000 woodshipc1000 madshipc1225 woodc1275 woodhead1303 ragec1330 amentiaa1398 madnessa1398 frenzy?a1400 madheada1400 maddingc1400 alienation?a1425 furiosity?a1475 derverye1480 forcenery1480 furiousnessc1500 unwitness1527 unwitting1527 demencya1529 straughtness1530 insaniea1538 brainsickness1541 lunacy1541 amenty1557 distraughtness1576 dementation?1583 straughtedness1583 insanity1590 crazedness1593 bedlam1598 dementia1598 insanation1599 non compos mentis1607 distraction1609 daffinga1614 disinsanitya1625 cerebrosity1647 vecordy1656 fanaticness1662 non-sanity1675 insaneness1730 craziness1755 hydrophobia1760 vecord1788 derangement1800 vesania1800 a screw loose1810 unsoundness1825 dementedness1833 craze1841 psychosis1847 crackiness1861 feyness1873 crack1891 meshugas1898 white ant1908 crackedness1910 pottiness1933 loopiness1939 wackiness1941 screwballism1942 kink1959 the world > health and disease > mental health > mental illness > degree or type of mental illness > [noun] > impairment of mental powers dementia1598 stupor1806 demency1858 Pick's disease1927 1598 J. Mosan tr. C. Wirsung Praxis Med. Vniuersalis i. xii. 130 (heading) Of Melancholia or Dementia, a woonderfull madnesse. a1676 M. Hale Historia Placitorum Coronæ (1736) I. iv. 31 This accidental dementia, whether total or partial, is distinguished into that which is permanent or fixed, and that which is interpolated, and by certain periods and vicissitudes. 1761 E. Umfreville Lex Coronatoria I. xiv. 128 The Permanent or fixt Dementia is usually called Madness; and that which is temporary, and appears at certain Periods and by Vicissitudes, Lunacy. 1806 D. Davis tr. P. Pinel Treat. Insanity 252 To cause periodical and curable mania to degenerate into dementia [Fr. démence] or idiotism. 1850 Amer. Jrnl. Med. Sci. 19 205 The complication or occurrence of dementia, M. Lunier regards as an almost constant symptom of the disease [sc. progressive general palsy], when it has reached a certain stage. 1856 Hooper's Physician's Vade-Mecum (ed. 5) 120 The sudden attacks of dementia produce a state of mind nearly allied to idiocy, while those which come on more gradually resemble more closely the different degrees of imbecility. 1874 H. Maudsley Responsibility in Mental Dis. iii. 73 When his memory is impaired, his feelings quenched, his intelligence enfeebled or extinct, he is said to be suffering from dementia. 1907 W. A. Turner Epilepsy vi. 129 A third epileptic, whose post-convulsive symptoms were mainly of the nature of cataleptic rigidity and dementia. 1955 H. H. Merritt Textbk. Neurol. vi. 417 The cardinal symptoms of both Pick's and Alzheimer's disease are progressive dementia and disturbances in the speech. 2011 New Yorker 14 Mar. 32/1 Dementia affects more than half of people over eighty-five, a population that is often called the ‘new old’. 2. gen. Complete loss of judgement; (wild) foolishness resembling insanity; an instance of this. ΚΠ 1627 W. Sclater Briefe Expos. 2 Thess. 86 In his apprehension it sounds, putting beside their minde or right wits; as if some dementia should seize them when once they gaue way to vnsound doctrine.] 1846 Standard 22 Apr. It would ensure a body, consisting exclusively of volunteers, for the prosecution of every scheme persisted in, and who have had ample time to reflect since the dementia has gone off. 1877 J. Morley Crit. Misc. 2nd Ser. 130 Emissaries..succeeded in persuading them—such the dementia of the night—that Robespierre was a Royalist agent. 1906 N. Amer. Rev. Mar. 459 It seems to me almost a species of dementia to pretend either that Protection was not the controlling issue of the campaign or that the country did not pronounce emphatically against it. 1956 H. Miller Time of Assassins ii. 119 To the Frenchman cultivating his garden it must..have seemed like sheer dementia. 2010 Daily Tel. (Nexis) 28 May 28 It was when I switched on the news yesterday to find three grown men in suits discussing the finer points of Cheryl Cole's divorce that I knew for sure: we are in the grip of a collective dementia. Compounds General attributive (in sense 1). ΚΠ 1845 J. Adshead Prisons & Prisoners 22 Thus much for accuracy of statement and the alleged ‘incurable dementia’ cases. 1885 Amer. Homœopathist 11 206/1 A portion of the building is occupied by chronic dementia patients.] 1897 Jrnl. Mental Sci. 43 95 The average age of the dementia cases was 67. 1916 Pacific Med. Jrnl. 59 241 Psychosis with dementia symptoms predominating. 1968 Brit. Jrnl. Psychiatry 114 805/1 Many of the severely demented subjects did, in fact, have changes which were very rare among those with low dementia scores. 1998 Community Care 30 Apr. 53/1 (advt.) In addition there are 2 outreach centres and a dementia unit. 2012 Daily Tel. 24 Feb. 6/1 Scientists have found evidence that prescribing ‘chemical cosh’ drugs to dementia patients can double their risk of early death. Derivatives deˈmential adj. [frequently after French démentiel (1883)] now rare of or relating to dementia; of the nature of dementia; demented. ΚΠ 1853 tr. A. Brierre de Boismont Hallucinations 159 As in the first of the forms, there is a monomaniacal, a maniacal, and a demential variety [Fr. une variété démente]. 1917 Lancet 3 Mar. 336/1 In advanced cases..where death has occurred from some intercurrent disease in the demential stage, the syphilitic organisms are less easily found. 1979 Economist 29 July 112/2 Céline had published two pamphlets whose anti-semitism was so demential that André Gide, for one, imagined that they were a send-up of the whole sorry business. 2006 H. R. Moody Aging 275 Senile dementia of the Alzheimer's type (SDAT)..is the most common cause of irreversible dementia of old age, accounting for two thirds of all demential conditions. This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022). < n.1598
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