Results 201 to 210 of about 6,474,902 (262)
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Veterinary Clinics of North America: Food Animal Practice, 1987
This article considers causes of variability in male sexual performance and identifies management techniques that can be used to improve the reproductive success and efficacy of our captive animal populations.
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This article considers causes of variability in male sexual performance and identifies management techniques that can be used to improve the reproductive success and efficacy of our captive animal populations.
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Veterinary Clinics of North America: Equine Practice, 1986
Behavior during the estrous phase of the ovulatory cycle of the mare is analogous in most ways to that of estrous females of other species. Proceptive behaviors bring the mare into the proximity of the male and attract his attention. Positioning facilitates mounting, intromission, and ejaculation. Estrous signs appear to be more intense in the few days
Cheryl S. Asa, Cheryl S. Asa
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Behavior during the estrous phase of the ovulatory cycle of the mare is analogous in most ways to that of estrous females of other species. Proceptive behaviors bring the mare into the proximity of the male and attract his attention. Positioning facilitates mounting, intromission, and ejaculation. Estrous signs appear to be more intense in the few days
Cheryl S. Asa, Cheryl S. Asa
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Sexual Behavior of Adolescents
Postgraduate Medicine, 1969Unwanted pregnancy is a disease with consequences that affect every level of society. Illegitimacy is rising to the point where it is a major social problem. Findings of the National Center for Health Statistics show that in the 1940-1965 period illegitimacy tripled. More than 40% of unwed mothers are teenagers.
Nathaniel N. Wagner +3 more
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[Sexual behavior and adolescence].
Minerva ginecologica, 2000Adolescence represents the period with the highest frequency of negative consequences associated with sexual activities (sexually transmitted diseases and unwanted pregnancies). An epidemiological study was carried out in symptomatic patients attending our Outpatient Clinic for Sexually Transmitted Diseases between April 1995 and April 1999 in order to
DE SETA, FRANCESCO +7 more
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Neurogenesis and sexual behavior
Frontiers in Neuroendocrinology, 2018Different conditions induce proliferation, migration and integration of new neurons in the adult brain. This process of neurogenesis is a clear example of long lasting plastic changes in the brain of different species. Sexual behavior is a motivated behavior that is crucial for the survival of the species, but an individual can spend all his life ...
Raúl G. Paredes +2 more
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Annals of Internal Medicine, 1982
Sexual behavior in humans may be classified according to gender role, gender identity, and gender orientation. Sexually dimorphic behavior in humans is generally felt to be determined by postnatal socialization. Recent work in laboratory animals shows that sexual behavior is a function of circulating steroid hormones, particularly androgens ...
Barbara M. Lippe +3 more
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Sexual behavior in humans may be classified according to gender role, gender identity, and gender orientation. Sexually dimorphic behavior in humans is generally felt to be determined by postnatal socialization. Recent work in laboratory animals shows that sexual behavior is a function of circulating steroid hormones, particularly androgens ...
Barbara M. Lippe +3 more
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American Psychologist, 1989
What is known about adolescent sexual behavior is reviewed. First, the onset of sexual behavior in the teenage years is considered as a function of cohort, gender, and ethnic differences. Omissions in the research on sexual behavior other than intercourse are highlighted.
Jeanne Brooks-Gunn, Frank F. Furstenberg
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What is known about adolescent sexual behavior is reviewed. First, the onset of sexual behavior in the teenage years is considered as a function of cohort, gender, and ethnic differences. Omissions in the research on sexual behavior other than intercourse are highlighted.
Jeanne Brooks-Gunn, Frank F. Furstenberg
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Violent Sexual Fantasies and Sexual Behavior
Psychological Reports, 1994Masochistic sexual fantasies and sadistic sexual fantasies were associated with coercive sexual behavior self-reported by both 31 male and 31 female undergraduate students.
Bruce McCollaum, David Lester
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On the origin of sexual behavior
Psychoneuroendocrinology, 1982Abstract All-female parthenogenetic species afford a unique opportunity to probe the nature and origin of sexual behavior. Whereas the majority of vertebrates are gonochoristic (that is, they rely for reproduction on fertilization of female ova by male sperm), at least 27 species of squamate reptiles representing seven families consist mostly or ...
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Compulsive Sexual Behavior in Young Adults
Annals of clinical psychiatry : official journal of the American Academy of Clinical Psychiatrists, 2013Background Compulsive sexual behavior (CSB) is estimated to affect 3% to 6% of adults, although limited information is available on the true prevalence and impact of CSB in young adults.
B. Odlaug +7 more
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