| 单词 | paracusis of willis |
| 释义 | > as lemmasparacusis of Willis Disturbance or impairment of hearing; spec. †(a) (in early use) tinnitus (obsolete); (b) (more fully paracusis of Willis) an apparent improvement in the ability to hear conversation in the presence of loud background noise, thought to be characteristic of certain types of conductive hearing loss, esp. otosclerosis. ΘΚΠ the world > health and disease > ill health > a disease > disorders of ear > disordered hearing > [noun] paracusis1657 paracousia1876 1657 Physical Dict. Paracousis, noise in the ears which comes from a præternatural motion of the air which is naturally contained in the ears. 1688 R. Holme Acad. Armory ii. xvii. 434/1 The Paracousis, is Hearing depraved, and consists in a noise, and ringing, or buzzing in the Ear. 1794 J. Townsend Physicans' Vade Mecum 69 Paracusis, singing in the ears. 1817 J. M. Good Physiol. Syst. Nosol. 316 The perverse paracusis, forming the third species of the present arrangement,..is no less extraordinary. 1838 G. Pilcher Treat. Dis. Ear ii. 150 Paracousis, alteration or diminution of hearing, in which audition is imperfect for want of precision. 1867 J. King Causes Chronic Dis. 1328 A paracusis from imperfect nutrition of the nerve, as, for instance, in anemic conditions. 1890 Cent. Dict. at Paracusis Paracusis of Willis, a form of paracusis in which the hearing is better in the midst of noise. Also called paracusis Willisiana. 1925 Lancet 21 Nov. 1092/2 Since Thomas Willis called attention to the phenomenon in the seventeenth century paracusis has been regarded as symptomatic of oto-sclerosis unaccompanied by labyrinthine involvement. 1986 J. A. S. Carruth Ear, Nose & Throat iv. 142 Paracusis—the ability to hear sounds better in a noisy environment. This is because the patient is not able to hear the background noise but can hear the voices raised above it. < as lemmas |
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