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Titolo:
Masculinizing effects on otoacoustic emissions and auditory evoked potentials in women using oral contraceptives
Autore:
McFadden, D;
Indirizzi:
Univ Texas, Dept Psychol, Austin, TX 78712 USA Univ Texas Austin TX USA 78712 Texas, Dept Psychol, Austin, TX 78712 USA Univ Texas, Inst Neurosci, Austin, TX 78712 USA Univ Texas Austin TX USA 78712 Texas, Inst Neurosci, Austin, TX 78712 USA
Titolo Testata:
HEARING RESEARCH
fascicolo: 1-2, volume: 142, anno: 2000,
pagine: 23 - 33
SICI:
0378-5955(200004)142:1-2<23:MEOOEA>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
BRAIN-STEM RESPONSES; MENSTRUAL-CYCLE; YOUNG-WOMEN; BLOOD-PRESSURE; ABR LATENCY; ESTROGEN; SEX; GENDER; TEMPERATURE; REPLACEMENT;
Keywords:
otoacoustic emission; auditory evoked potential; oral contraceptive; masculinization; estrogen;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: McFadden, D Univ Texas, Dept Psychol, Mezes Hall 330, Austin, TX 78712 USAUniv Texas Mezes Hall 330 Austin TX USA 78712 in, TX 78712 USA
Citazione:
D. McFadden, "Masculinizing effects on otoacoustic emissions and auditory evoked potentials in women using oral contraceptives", HEARING RES, 142(1-2), 2000, pp. 23-33

Abstract

The otoacoustic emissions (OAEs) and auditory evoked potentials (AEPs) measured in two separate large scale studies were examined retrospectively forpotential differences between those women using, and those not using, oralcontraception (OC). Fourteen dependent variables were examined, all of which exhibited substantial sex differences. For 13 of those 14 dependent variables, the means for the users of OC were shifted away from the means of the non-users in the direction of the males. Specifically, for four differentmeasures of OAE strength, for seven of eight measures of AEP latency or amplitude, and for two cognitive tests (mental rotation and water level), themeans for the users of OC were located intermediate to those of the non-users of OC and the males. Few of these differences between users and non-users of OC achieved statistical significance, but the near universality of the direction of the difference suggests that oral contraceptives do produce a weak masculinizing effect on some auditory structures. These weak masculinizing effects appear to run contrary to the facts that the levels of both free testosterone and estradiol are lower in women using OC than in normal-cycling women. Past findings on auditory sex differences may have underestimated those sex differences. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 09:34:21