[The effects of the menstrual cycle on temporary threshold shift (TTS) and sex differences in TTS]. 1992

C Hori, and K Nakashima, and H Sato
Department of Ergonomics, Kyusyu Institute of Design.

The aim of this research was to investigate the influences of the menstrual cycles of women on temporary threshold shift (TTS) and to compare the results with TTS of men. The subjects were, after 5 min rest, exposed to 100dB of continuous white noise for 8 min. The audiometry with a 4000 Hz test tone was done in the 45-min recovery process. In the three phases of the menstrual cycle, TTS tended to be lower in postovulatory phase than in preovulatory phase and during menstruation. The male TTS was higher than that of the female in all phases of menstrual cycle.

UI MeSH Term Description Entries
D008297 Male Males
D008597 Menstrual Cycle The period from onset of one menstrual bleeding (MENSTRUATION) to the next in an ovulating woman or female primate. The menstrual cycle is regulated by endocrine interactions of the HYPOTHALAMUS; the PITUITARY GLAND; the ovaries; and the genital tract. The menstrual cycle is divided by OVULATION into two phases. Based on the endocrine status of the OVARY, there is a FOLLICULAR PHASE and a LUTEAL PHASE. Based on the response in the ENDOMETRIUM, the menstrual cycle is divided into a proliferative and a secretory phase. Endometrial Cycle,Ovarian Cycle,Cycle, Endometrial,Cycle, Menstrual,Cycle, Ovarian,Cycles, Endometrial,Cycles, Menstrual,Cycles, Ovarian,Endometrial Cycles,Menstrual Cycles,Ovarian Cycles
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001309 Auditory Threshold The audibility limit of discriminating sound intensity and pitch. Auditory Thresholds,Threshold, Auditory,Thresholds, Auditory
D012727 Sex Characteristics Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction. Gender Characteristics,Gender Differences,Gender Dimorphism,Sex Differences,Sex Dimorphism,Sexual Dichromatism,Sexual Dimorphism,Characteristic, Gender,Characteristic, Sex,Dichromatism, Sexual,Dichromatisms, Sexual,Difference, Sex,Dimorphism, Gender,Dimorphism, Sex,Dimorphism, Sexual,Gender Characteristic,Gender Difference,Gender Dimorphisms,Sex Characteristic,Sex Difference,Sex Dimorphisms,Sexual Dichromatisms,Sexual Dimorphisms

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