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PubMed1994

Opposite sex-linked behaviors and homosexual feelings in the predominantly heterosexual male majority.

Whether homosexual feelings are distributed categorically or dimensionally remains controversial. In an earlier series of studies, medical students anonymously reported a dimensional distribution of homosexual feelings, the ratio of homosexual to heterosexual feelings in men correlating with opposite sex-linked behaviors in childhood and adolescence, and, in both sexes, with current degree of opposite sex identity. Prevalence of homosexual feelings was markedly higher than that found in nonanonymous studies. In the present investigation, a study of male twins allowed investigation of the findings in 411 educationally more representative subjects. Awareness of some homosexual feelings was reported in adolescence by 20% and currently by 12%. As with medical students, the majority of those who reported some homosexual feelings were predominantly heterosexual, which could be considered to indicate such feelings were distributed dimensionally. Correlations between degree of homosexual feelings and avoidance of contact sport in childhood and adolescence, current wish to be of the opposite sex, and opposite sex identity remained present when subjects with equally bisexual and predominantly homosexual feelings were excluded from analysis. The finding that the majority of men with homosexual feelings are predominantly heterosexual renders implausible the theory that homosexual feelings result from fear of heterosexuality.

Adolescent↗
PubMed1978

Psychological adjustment of homosexual and heterosexual men: a cross-national replication.

The present investigation of British subjects replicated an investigation conducted in the United States. There was considerable agreement in the findings of the two studies. A multidimensional evaluation of adjustment, based on questionnaire data, indicated that the total sample of British homosexuals described themselves as less well adjusted than the heterosexuals on four factors, better adjusted on two factors, and not different on six factors. There was a significant difference on only one dimension, however, for selected groups of masculine homosexuals vs. heterosexuals. Homosexuals and heterosexuals low on feminity, in addition, tended to be better adjusted than homosexuals and heterosexuals high on femininity. The possible confusion between adjustment and masculinity-femininity, as well as the importance of using a multidimensional approach when considering adjustment, is discussed.

Adaptation, Psychological↗
PubMed1975

Heterosexual interest in homosexual males.

Androphilic, ephebophilic, and homosexual pedophilic males were compared on heterosexual interest and arousal potential. The former was measured by the subjects' retrospective reports and the latter by penile responses to pictures of females. The penile responses of the ephebophilic and homosexual pedophilic groups to pictures of physically mature females were not different from those of androphilic males. In the present study as well as in an earlier one, the ephebophilic males responded significantly more to physically mature males than to physically mature females. Homosexual pedophilic males showed little difference in responses to physically mature males and females. In retrospective reports of heterosexual interest and experience and of development of homosexual interest and activities, there were only two differences among the groups: as opposed to androphilic males, a relatively greater number of ephebophilic and homosexual pedophilic males indicated that up to age 15 or later they had felt attracted exclusively to females and that they had been seduced in childhood or early adolescence by a male. These results will have to be replicated before being accepted as reliable. As in some earlier studies, there was a weak but significant correlation of degree of "feminine gender identity" with age at onset of homosexual interest and with heterosexual interest or experience. A higher degree of feminine gender identity went together with less heterosexual interest and experience and with an earlier onset of homosexual interest and experience.

Adolescent↗
PubMed1983

Measuring physical aggressiveness in heterosexual, homosexual, and transsexual males.

The purpose of this study was the development of a self-report measure of boyhood aggressiveness for use with adult males. Aggressiveness was defined as a generalized disposition to engage in physically combative or competitive interactions with male peers. This attribute is of sexological interest because of the reported difference in physical aggressiveness between heterosexual and homosexual boys. A physical aggressiveness scale (PAS) was constructed from items regarding boyhood athletic interest and proficiency, as well as fighting with and feelings of unease around male peers. The PAS and Part A of the Feminine Gender Identity Scale for males (FGIS(A), Freund et al., 1977) were administered to 193 adult men. The PAS was shown to be reliable and factorially pure. The PAS scores of homosexuals were significantly lower than those of heterosexuals, and the scores of male-to-female transsexuals were lower yet. No differences were found among three heterosexual groups: prison inmates and nonuniversity- and university-educated males. Precisely symmetrical results were obtained with the FGIS(A), with the male-to-female transsexuals scoring highest and the heterosexuals lowest. Group differences in FGIS(A) scores were greater than those in PAS scores; this was interpreted as possible evidence that physical aggressiveness is more sensitive than gender identity to variables uncorrelated with erotic preference, e.g., perceptual-motor ability, rate of physical maturation, etc. The main results suggest that whatever underlying factor relates homosexuality to feminine gender identity in childhood relates this erotic preference to anomalously low levels of physical aggressiveness in childhood as well.

Adult↗
PubMed1990

The sexual vocabularies of heterosexual and homosexual males and females for communicating erotically with a sexual partner.

This study explored what terminology constitutes an erotic or arousing language for male and female, heterosexual and homosexual, and the extent to which that language is used with a sexual partner. Five sexual references were included: male genitalia, female genitalia, lovemaking/coitus, oral-genital contact, and hand-genital contact. Respondents consisted of 120 urban midwestern university students, 30 in each gender and sexual orientation category. Sexual orientation was as powerful a predictor as gender for language that was considered erotic. Lesbians and gay males more often than heterosexual females and males used erotic or arousing vocabulary with a spouse or lover. Gay males more often used slang with a spouse or lover than did heterosexual males and heterosexual females. Implications for sexual arousal based upon communication are discussed.

Adult↗
PubMed1989

High prevalence of antibodies to human immunodeficiency virus in heterosexual persons attending a sexually transmitted disease clinic in Italy.

The prevalence of antibodies to human immunodeficiency virus (anti-HIV-1) was determined in 924 outpatients attending a sexually transmitted disease clinic. The overall prevalence of anti-HIV-1 was 9%. Six of 14 intravenous drug addicts and 4 of 34 patients of African origin were anti-HIV-1 positive. In the other 876 patients, the anti-HIV prevalence was 6.6% in 467 heterosexual men, 5% in 261 heterosexual women and 22.3% in 148 homosexual or bisexual men. The prevalence of anti-HIV-1 in the heterosexual subjects was much higher than that expected in the general population and than that observed in patients attending sexually transmitted disease clinics in other developed countries. Intravenous drug abusers, who represent the most important group at risk for AIDS in Italy, could contribute to the spread of HIV infection through heterosexual contacts with persons without other known risk factors.

Adolescent↗
PubMed1993

Hepatitis C virus infection among sexually promiscuous groups and the heterosexual partners of hepatitis C virus infected index cases.

To define the role of sexual transmission in the spread of hepatitis C virus (HCV) infection, a seroprevalence study of antibodies against HCV was performed in populations at high risk for sexually transmitted diseases. Subjects included 310 female prostitutes, 88 clients of prostitutes, 168 homosexual men and 147 stable heterosexual partners of index cases reactive for anti-HCV (98 of whom were partners of drug addicts coinfected with HCV and human immunodeficiency virus [HIV]). All subjects denied prior transfusion or intravenous drug use. Controls were 400 voluntary blood donors selected randomly from first-time donors. The prevalence of anti-HCV by enzyme immunoassay, confirmed by a second-generation recombinant immunoblot assay, was 6.4% in prostitutes, 6.8% in clients of prostitutes, 4.2% in homosexual men, 7.4% in heterosexual partners of index cases and 1.2% in random donors. However, the anti-HCV prevalence in stable heterosexual partners of HCV-positive/HIV-positive index cases was 2.2 times higher than in stable heterosexual partners of index cases reactive for anti-HCV only (9.2% vs. 4.1%), and sexual partners of index cases coinfected with HCV and HIV were almost three times more likely to be infected with HIV than with HCV (25.5% vs. 9.2%). These data suggest that HCV infection may be sexually transmitted but with low efficiency and that this efficiency could be increased in the presence of coexistent HIV infection in the index case.

Adolescent↗
PubMed1996

Biodemographic comparisons of homosexual and heterosexual men in the Kinsey Interview Data.

Relations between sexual orientation and several biodemographic variables previously reported to differentiate between homosexual and heterosexual men were examined. Subjects were 4948 white, postpubertal males, who were never reared in foster homes, orphanages, or other institutions, and were never arrested or convicted on criminal charges. These were dichotomously classified as homosexual (n = 844) or heterosexual (n = 4104). Data came from survey interviews conducted by staff members of The Kinesey Institute for Research in Sex, Gender, and Reproduction from 1938 to 1963. Results extended previous findings that, compared with heterosexual controls, homosexual men have a later birth order, an earlier onset of puberty, and a lower body weight. Sexual orientation was weakly related or unrelated to height, paternal age, and sibling sex ratio. A more detailed analysis of the late birth order of the homosexual group showed that homosexual men have a greater number of older brothers than do heterosexual men, but they do not have a greater number of older sisters, once their number of older brothers has been taken into account.

Birth Order↗
PubMed1991

A stochastic model for the development of an AIDS epidemic in a heterosexual population.

A non-age-dependent model, describing the evolution of a bisexual population, is developed in this paper and applied to projecting an AIDS epidemic in a heterosexual population. Included in the formulation are frequency- and non-frequency-dependent rules of partnership formation as well as five states of HIV disease, affecting the probability of infection per sexual contact. Results from computer experiments, designed to study the development of an AIDS epidemic in a heterosexual population fed by single males with a 50% prevalence of HIV infection prior to becoming active in heterosexual partnerships, are reported. In these experiments, the only source of HIV infection for females was sexual contacts with infected males within partnerships. Data on the probability of infection per sexual contact with an infected partner and the number of sexual contacts per month were incorporated into the model. However, the numbers used for the initial population of singles, couples, and those becoming sexually active per month were hypothetical. Even though the prevalence of HIV infection among males entering heterosexual partnerships was high, after 30 years the projected prevalence of HIV infection among females ranged from about 10 to 15% depending in part on the expected duration of partnerships and on whether the frequency- or non-frequency-dependent model was used. In these experiments, solutions of the embedded, nonlinear, deterministic equations for the incidence of HIV infection and the cumulative number of deaths due to AIDS proved to be good measures of central tendency for the sample functions of the stochastic population process.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Behavioral and endocrine consequences of heterosexual pair formation in squirrel monkeys.

The South American squirrel monkey (Saimiri sciureus) typically lives in large social groups containing several individuals of all age/sex categories. When living in established heterosexual pairs, reproduction in this seasonally breeding primate is poor. We attempted to induce breeding activity in pair-housed monkeys by forming new heterosexual pairs just prior to the breeding season. Breeding readiness, as reflected in behavior and gonadal hormones, was induced in males, but not in females. Males also showed persistent increases in cortisol levels following formation of new heterosexual pairs; females did not. The results indicate that social stimulation provided by a single novel female is sufficient to enhance breeding readiness in male squirrel monkeys. Females, on the other hand, are apparently unresponsive to a single male whether novel or familiar; this may account for the poor reproductive success in squirrel monkeys housed in heterosexual pairs.

Animals↗
PubMed1988

Short-term patterns of pulsatile luteinizing hormone secretion do not differ between male-to-female transsexuals and heterosexual men.

This study tested whether there is a difference in the pulsatile LH secretion between male-to-female transsexuals and eugonadal heterosexual men. The mean serum LH concentrations, the LH pulse frequency, and the LH pulse amplitude were compared between a group of eight male-to-female transsexuals and a group of 22 heterosexual men. Blood samples for LH determinations were collected every 10 min for seven hours. 17-beta-estradiol and testosterone were measured at the beginning of each test. There were no significant differences between the heterosexual and transsexual group in LH pulse frequency (3.9 +/- 1.3 vs. 3.9 +/- 1.7), LH pulse amplitude (3.7 +/- 1.3 U/l vs. 3.0 +/- 0.5 U/l), mean serum LH concentration (5.2 +/- 1.4 U/l vs. 5.4 +/- 1.1 U/l), 17-beta-estradiol (0.07 +/- 0.01 nmol/l vs. 0.08 +/- 0.02 nmol/l), or testosterone (22.9 +/- 3.7 nmol/l vs. 21.8 +/- 8.0 nmol/l). We conclude that the pulsatile release characteristics of LH do not allow a distinction between eugonadal heterosexual men and eugonadal male-to-female transsexuals.

Adult↗
PubMed1989

Pulsatile luteinizing hormone release and ovarian steroid levels in female-to-male transsexuals compared to heterosexual women.

It has been suggested that there is a difference in the interaction between sex steroids and gonadotropin secretion between transsexual and heterosexual women. In this study we tested whether there is a difference in the pulsatile release characteristics of luteinizing hormone (LH) and in ovarian steroid concentrations between 16 female-to-male (f-to-m) transsexuals and eight eugonadal heterosexual women during the early follicular phase of the menstrual cycle. Blood samples for LH determination were collected every 10 min for 7 hr in the transsexual group, and every 10 min for 6 hr in the heterosexual group. There were no significant differences between the transsexual and heterosexual group in mean serum LH concentration (6.9 +/- 2.4 U/l vs. 7.5 +/- 2.6 U/l), mean LH nadir interval (77 +/- 37 min vs. 70 +/- 16 min), and mean LH pulse amplitude (2.9 +/- 1.1 U/l vs. 3.0 +/- 1.1 U/l). Serum estrone, 17-beta-estradiol, testosterone, progesterone and FSH concentrations also did not differ between the two groups. There also was not a higher prevalence of polycystic ovarian disease in our f-to-m transsexual group than in the general population.

Adult↗
PubMed2002

Reports of parental maltreatment during childhood in a United States population-based survey of homosexual, bisexual, and heterosexual adults.

OBJECTIVE: The study objective was to determine the nature and prevalence of childhood maltreatment experiences among lesbian, gay, and bisexual adults and to compare findings to those obtained from similar heterosexual adults. METHOD: Data from the National Survey of Midlife Development in the United States (MIDUS), which measured both childhood experiences with parental emotional and physical maltreatment and adult sexual orientation, were used to compare childhood maltreatment experiences of 2,917 heterosexual, homosexual, and bisexual individuals, age 25-74 years, separately by gender. RESULTS: Homosexual/bisexual men reported higher rates than heterosexual men of childhood emotional and any physical maltreatment (including major physical maltreatment) by their mother/maternal guardian and major physical maltreatment by their father/paternal guardian. In contrast, homosexual/bisexual women, as compared to heterosexual women, reported higher rates of major physical maltreatment by both their mother/maternal guardian and their father/ paternal guardian. Differences among individuals with differing sexual orientations were most pronounced for the more extreme forms of physical maltreatment. CONCLUSIONS: Adult minority sexual orientation is a risk indicator for positive histories of experiencing parental maltreatment during childhood. While the reasons for this are beyond the scope of the current study, previous research suggests that childhood individual differences, including possibly gender atypicality, may be a causal factor.

Adult↗
PubMedDate not supplied

Effects of perinatal picrotoxin and sexual experience on heterosexual and homosexual behavior in male rats.

The effects of perinatal picrotoxin (0.75 mg/kg) on heterosexual and homosexual behavior of male rats, sexually experienced or not, were studied. The following data were obtained: (1) at birth, body weight and anogenital distance were not modified by the treatment; (2) during lactation, both treatment and sex interfered with body weight as well as in adult age; (3) as experimental animals were trained, the heterosexual behavior was improved; (4) picrotoxin treatment reduced lordotic response of homosexual behavior in inexperienced male rats and (5) the heterosexual experience with female rats inhibited homosexual behavior of both experimental and control animals. These results suggest that perinatal maternal picrotoxin exposure improved heterosexual behavior in male rats and the sexual experience reveals this effect. In addition, picrotoxin did not induce feminization in experimental inexperienced rats. Finally, the sexual experience per se promotes changes in brain regions related to male behavioral and sexual aspects.

Animals↗
PubMed2003

Can some gay men and lesbians change their sexual orientation? 200 participants reporting a change from homosexual to heterosexual orientation.

Position statements of the major mental health organizations in the United States state that there is no scientific evidence that a homosexual sexual orientation can be changed by psychotherapy, often referred to as "reparative therapy." This study tested the hypothesis that some individuals whose sexual orientation is predominantly homosexual can, with some form of reparative therapy, become predominantly heterosexual. The participants were 200 self-selected individuals (143 males, 57 females) who reported at least some minimal change from homosexual to heterosexual orientation that lasted at least 5 years. They were interviewed by telephone, using a structured interview that assessed same sex attraction, fantasy, yearning, and overt homosexual behavior. On all measures, the year prior to the therapy was compared to the year before the interview. The majority of participants gave reports of change from a predominantly or exclusively homosexual orientation before therapy to a predominantly or exclusively heterosexual orientation in the past year. Reports of complete change were uncommon. Female participants reported significantly more change than did male participants. Either some gay men and lesbians, following reparative therapy, actually change their predominantly homosexual orientation to a predominantly heterosexual orientation or some gay men and women construct elaborate self-deceptive narratives (or even lie) in which they claim to have changed their sexual orientation, or both. For many reasons, it is concluded that the participants' self-reports were, by-and-large, credible and that few elaborated self-deceptive narratives or lied. Thus, there is evidence that change in sexual orientation following some form of reparative therapy does occur in some gay men and lesbians.

Adaptation, Psychological↗
PubMedDate not supplied

Health life-styles of lesbian and heterosexual women.

In this exploratory descriptive study, lesbian and heterosexual women's health life-style activities and health histories were investigated. Distribution of 200 written questionnaires by nonprobability snowball sampling obtained a sample of 79 heterosexual and lesbian women. The sample was predominantly white, middle class, and college educated. Responses to questions about participation in mental health counseling, birth control use, and pregnancy history showed significant differences between the groups. Likert scale questions were used to identify degree of participation in various health life-style activities. Alternative diet, use of meditation/relaxation techniques, and recreational drug use had significantly higher means in the lesbian group. Fulfilling family obligations, regular Pap testing, and use of prescription drugs were significantly higher among the heterosexual group. This study represents the author's initial exploration of lesbian health life-styles and describes similarities and differences in the health life-styles of lesbian and heterosexual women.

Female↗
PubMed1996

The heterosexual singles scene: putting danger into pleasure.

The juxtaposition of pleasure and danger has engaged many feminist theorists and researchers in the field of sexuality. This article presents a theoretical analysis of the ambiguous and complex relationship between 'pleasure', 'danger' and contemporary feminist theory. In doing so, it offers an understanding of the ways in which the categories of pleasure and danger operate within the discourses of heterosexuality to construct perceptions of risk in the context of HIV/AIDS. Data were collected from a study of the sexual attitudes and practices of 112 sexually-active, single, heterosexual adults (58 men and 54 women), aged 20 to 40 years (mean = 27 years) who agreed to be interviewed when approached at night-clubs and public "singles' bars around Melbourne, Australia. The qualitative analysis presented here is consistent with a poststructuralist feminism. First, we discuss how sexuality cannot be cast solely as pleasurable or dangerous. Second, we demonstrate how heterosexualized notions of pleasure and danger operate to provide misperceptions of risk from HIV/AIDS transmission. Third, we identify the ways in which the logic of identity functions to obscure risk within the discourse of heterosexuality, and finally we attempt to forge new ways of practising pleasure which disrupt heterosexist discourses and allow for pleasures which incorporate danger.

Adult↗
PubMed1998

Screening calcaneal ultrasound and risk factors for osteoporosis among lesbians and heterosexual women.

We compared calcaneal ultrasound measurements (speed of sound [SOS], broadband ultrasound attenuation [BUA], and stiffness index [SI]) of lesbian and heterosexual women to examine the medical and lifestyle risk factors for osteoporosis in each group. This was an exploratory, community-based, cross-sectional study. Subjects were mailed food frequency, health, and physical activity questionnaires. Weight, height, and calcaneal ultrasound measurements were taken at one office visit. In communities in southern and eastern Maine, 71 lesbians and 77 heterosexual women between the ages of 30 and 50 with regular menses and in good general health were the subjects. Statistical analysis used t-tests and chi-square tests to evaluate differences between study groups. Linear regression models were used to evaluate risk factors for low calcaneal ultrasound measurements. There were no differences between the lesbian and heterosexual women in age, body mass index (BMI), exercise, calcium intake, alcohol use, or calcaneal ultrasound measurements. There was a positive association between BUA and both BMI and alcohol consumption (p < 0.01). Antidepressant use significantly reduced SOS and SI (p < 0.05). There were no differences in calcaneal ultrasound measurements between lesbian and heterosexual women. BMI was strongly and positively associated with BUA. Antidepressant use in both populations was associated with a significant reduction in calcaneal bone mass. Studies are needed to define the relationship of depression and its treatment to bone mineral density and the future risk of osteoporosis.

Adult↗