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Behavior, Voice, and Sex Hormones Study

Hormones are molecules that deliver signals throughout the body. They influence behavior, sleep, hunger, stress, and virtually all other aspects of life. This study seeks to better understand several of these functions, specifically how hormones affect specific aspects of human behavior and psychology, as well as speech production. Following an initial lab visit, subjects will participate in the remainder of the study (~5 weeks) at home via the internet. On a daily basis, they will collect urine samples for hormone analysis, saliva samples for analysis of oral micro-organisms, and will submit voice samples for analysis of speech (e.g. measuring voice pitch and loudness). They will then complete an online survey designed to collect information about their behavior, and attitudes over the previous 24 hours. Subjects receive compensation for their participation.
Kevin Rosenfield at
18 year(s) or older
This study is also accepting healthy volunteers
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Inclusion Criteria:
Between 18 and 30 years of age
Normal menstrual cycles
Available for daily at-home session for approximately 5 weeks
Female/Identifying as a woman
Predominantly or exclusively heterosexual sexual orientation
Exclusion Criteria:
Use of hormonal birth control
Uncorrected severe defects of hearing, speech, or vision
Bisexual or predominantly homosexual sexual orientation
Very heavy smoking or alchohol consumption
On hormonal birth control
Language & Linguistics, Diabetes & Hormones, Women's Health
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State College, PA