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https://www.readbyqxmd.com/read/28090585/circadian-forced-desynchrony-of-the-master-clock-leads-to-phenotypic-manifestation-of-depression-in-rats
#1
Miriam Ben-Hamo, Tracy A Larson, Leanne S Duge, Carl Sikkema, Charles W Wilkinson, Horacio O de la Iglesia, Mónica M C González
In mammals, a master circadian clock within the suprachiasmatic nucleus (SCN) of the hypothalamus maintains the phase coherence among a wide array of behavioral and physiological circadian rhythms. Affective disorders are typically associated with disruption of this fine-tuned "internal synchronization," but whether this internal misalignment is part of the physiopathology of mood disorders is not clear. To date, depressive-like behavior in animal models has been induced by methods that fail to specifically target the SCN regulation of internal synchronization as the mode to generate depression...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28090170/gender-s-role-in-misperceptions-of-peers-sexual-motives
#2
Rose Wesche, Graciela Espinosa-Hernández, Eva S Lefkowitz
The sexual double standard influences men's and women's sexual attitudes and behavior, leading men and women to consider distinct sexual motives, or reasons whether or not to engage in sexual intercourse (Crawford & Popp 2003; Reiss 1964). The goal of the present paper was to document how the sexual double standard shapes perceptions of peers' sexual motives. We build on past research by using open-ended questions and measuring perceptions of both same-gender and other-gender peers. The sample included 154 heterosexual college students (50% female, 49% European American, 25% Latino American, 26% African American) recruited via probability sampling...
December 2016: Sexuality & Culture
https://www.readbyqxmd.com/read/28089703/to-each-its-own-gender-differences-in-affective-autonomic-and-behavioral-responses-to-same-sex-and-opposite-sex-visual-sexual-stimuli
#3
Michela Sarlo, Giulia Buodo
A large body of research on gender differences in response to erotic stimuli has focused on genital and/or subjective sexual arousal. On the other hand, studies assessing gender differences in emotional psychophysiological responding to sexual stimuli have only employed erotic pictures of male-female couples or female/male nudes. The present study aimed at investigating differences between gynephilic men and androphilic women in emotional responding to visual sexual stimuli depicting female-male, female-female and male-male couples...
January 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28089665/dissociation-of-morphine-analgesic-effects-in-the-sensory-and-affective-components-of-formalin-induced-spontaneous-pain-in-male-and-female-rats
#4
Lisa R Harton, Janell R Richardson, Alexander Armendariz, Arbi Nazarian
Sex differences in the analgesic effects of morphine have been previously reported in various models that represent the sensory component of pain. However, pain sensation is a complex process that consists of both sensory and affective components. It is presently unclear whether the analgesic effects of morphine between the sensory and affective components of pain are sexually dimorphic. Moreover, differences in morphine dose-response in the two components of pain have not been examined in male and female rats...
January 12, 2017: Brain Research
https://www.readbyqxmd.com/read/28089368/the-transition-from-pediatric-to-adult-care-for-youth-with-epilepsy-basic-biological-sociological-and-psychological-issues
#5
REVIEW
Peter Camfield, Carol Camfield, Kanetee Busiah, David Cohen, Alison Pack, Rima Nabbout
Transition from pediatric to adult health care for adolescents with epilepsy is challenging for the patient, family, and health care workers. This paper is the first of three that summarize the main findings from the 2nd Symposium on Transition in Epilepsies, held in Paris from June 14-25, 2016. In this paper we describe five basic themes that have an important effect on transition. First, there are important brain changes in adolescence that leave an imbalance between risk taking and pleasure seeking behaviors and frontal executive function compared with adults...
January 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28089116/bullying-and-sexual-discrimination-in-the-greek-health-care-system
#6
Pavlina Chrysafi, Effie Simou, Marinos Makris, George Malietzis, Gregory C Makris
INTRODUCTION: Modern medicine is based on teamwork and communication. Bullying and discrimination can have a serious effect on these, affecting the standard of medical training and patient care. AIM: To determine the incidence of bullying and sex discrimination in the Greek health care system. METHODS: An online questionnaire was designed and circulated among Greek medical professionals. RESULTS: We received 1349 completed questionnaires with a response rate of 48% and with 45% of them being female...
January 6, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28088590/human-papillomavirus-hpv-68-and-58-are-the-most-prevalent-genotypes-in-women-from-quilombos-communities-in-the-state-of-maranh%C3%A3-o-brazil
#7
José Eduardo Batista, Vera Aparecida Saddi, Keila Patrícia Almeida de Carvalho, Andréa Alves Ribeiro, Kelly Deyse Segati, Megmar Aparecida Dos S Carneiro, Silvio G Monteiro, Maria do Desterro S B Nascimento, Silvia Helena Rabelo-Santos
OBJECTIVES: to determine the frequency of human papillomavirus (HPV) types and behavioral characteristics related to cytological abnormalities in women descendants of slaves, who live in isolated communities known as Quilombos in the state of Maranhão, Brazil. METHODS: Cervicovaginal specimens of 353 women were analyzed by conventional cytology and genotyping. HPV detection and genotyping was performed using a Linear Array HPV genotyping test kit. Behavioral factors and their association with cytological abnormalities were analyzed as well as the association between cytological abnormalities and HPV infection...
January 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28088559/increased-expression-of-carbon-monoxide-producing-enzymes-in-the-mpoa-after-sexual-experience-in-male-rats
#8
Christopher L Robison, Jenna A McHenry, Elaine M Hull
The hypothalamus contains numerous nuclei involved in the regulation of reproductive, stress, circadian, and homeostatic behaviors, with many of these nuclei concentrated within the preoptic and anterior regions. The gaseous neurotransmitter, nitric oxide (NO), has already been shown to have an important regulatory role within the medial preoptic area (MPOA) of the anterior hypothalamus, where it facilitates sexual behaviors. However, little is known about the role of other gaseous neurotransmitters in this area...
January 11, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28088352/mutations-at-the-darkener-of-apricot-locus-modulate-pheromone-production-and-sex-behavior-in-drosophila-melanogaster
#9
Julien Fumey, Claude Wicker-Thomas
Mutations at the Darkener of Apricot (Doa) locus of Drosophila melanogaster alter sexual differentiation by disrupting sex-specific splicing of doublesex pre-mRNA, a key regulator of sex determination. Here, we study the effect of seven Doa alleles and several trans-heterozygous combinations on pheromones and courtship behavior. The cuticular hydrocarbon (CHC) profile was slightly masculinized in females, with an accumulation of shorter compounds (C23 and C25) and a reduction in longer compounds (C27 and C29)...
January 11, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28087797/the-cascading-effects-of-marginalization-and-pathways-of-resilience-in-attaining-good-health-among-lgbt-older-adults
#10
Karen I Fredriksen-Goldsen, Hyun-Jun Kim, Amanda E B Bryan, Chengshi Shiu, Charles A Emlet
PURPOSE OF THE STUDY: Lesbian, gay, bisexual, and transgender (LGBT) older adults comprise a diverse and growing health disparate population. In the present study, using the Health Equity Promotion Model, we investigated pathways by which LGBT older adults experience resilience, risk, and marginalization and their relationship to attaining positive health outcomes. DESIGN AND METHODS: Aging with Pride: National Health, Aging, and Sexuality/Gender Study (NHAS) is the first longitudinal research project designed to examine the health, aging, and well-being of LGBT adults aged 50 and older...
February 2017: Gerontologist
https://www.readbyqxmd.com/read/28081178/gender-differences-in-hiv-care-among-criminal-justice-involved-persons-baseline-data-from-the-care-corrections-study
#11
Curt Beckwith, Breana Uhrig Castonguay, Claudia Trezza, Lauri Bazerman, Rudy Patrick, Alice Cates, Halli Olsen, Ann Kurth, Tao Liu, James Peterson, Irene Kuo
BACKGROUND: HIV-infected individuals recently released from incarceration have suboptimal linkage and engagement in community HIV care. We conducted a study to evaluate an information and communication technology intervention to increase linkage to community care among HIV-infected persons recently involved in the criminal justice (CJ) system. Baseline characteristics including risk behaviors and HIV care indicators are reported and stratified by gender. METHODS: We recruited HIV-infected individuals in the District of Columbia jail and persons with a recent history of incarceration through community and street outreach...
2017: PloS One
https://www.readbyqxmd.com/read/28080186/satisfaction-with-sex-life-in-sexually-active-heterosexual-couples-dealing-with-breast-cancer-a-nationwide-longitudinal-study
#12
Nina Rottmann, Dorte Gilså Hansen, René dePont Christensen, Mariët Hagedoorn, Morten Frisch, Anne Nicolaisen, Niels Kroman, Henrik Flyger, Christoffer Johansen
BACKGROUND: A breast cancer (BC) diagnosis can profoundly affect the sex life of patient and partner within a couple. The purpose of the present study is to examine whether individual and partner sexual functioning, affectionate behavior, emotional closeness and depressive symptoms are associated with change over time in satisfaction with sex life of sexually active heterosexual couples dealing with BC and to explore whether the associations differ between patients and partners after adjustment for basic sociodemographic characteristics, comorbidity and BC treatment...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28080099/school-connectedness-and-suicidal-thoughts-and-behaviors-a-systematic-meta-analysis
#13
Marisa E Marraccini, Zoe M F Brier
Among the protective factors associated with reduced risk for suicide, scientific inquiries into school connectedness are especially important considering that schools are ideally situated to provide interventions reaching the vast majority of youth. Although there is a wealth of research that supports the association between school connectedness and reduced self-report of adolescents having a suicidal thought or making a suicide attempt, inconsistencies in the way studies have measured and operationalized school connectedness limit synthesis across findings...
January 12, 2017: School Psychology Quarterly
https://www.readbyqxmd.com/read/28079720/%C3%A2-s%C3%A3-lo-se-vive-una-vez-you-only-live-once-a-pilot-evaluation-of-individually-tailored-video-modules-aiming-to-increase-hiv-testing-among-foreign-born-latino-men
#14
Suzanne M Dolwick Grieb, Alejandra Flores-Miller, Kathleen R Page
BACKGROUND: Although Latinos living in the United States are disproportionately affected by HIV, the development, implementation, and evaluation of HIV prevention, testing, and linkage to care interventions lag behind efforts occurring in other communities. To address sociocultural barriers to testing, we developed a multilevel intervention. This study is a pilot evaluation of the individual-level component of the intervention-animated video modules that address specific barriers to HIV testing common among foreign-born Latino men...
February 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28078495/economic-context-and-hiv-vulnerability-in-adolescents-and-young-adults-living-in-urban-slums-in-kenya-a-qualitative-analysis-based-on-scarcity-theory
#15
Larissa Jennings, Muthoni Mathai, Sebastian Linnemayr, Antonio Trujillo, Margaret Mak'anyengo, Brooke E E Montgomery, Deanna L Kerrigan
Urban slum adolescents and young adults have disproportionately high rates of HIV compared to rural and non-slum urban youth. Yet, few studies have examined youth's perceptions of the economic drivers of HIV. Informed by traditional and behavioral economics, we applied a scarcity theoretical framework to qualitatively examine how poverty influences sexual risk behaviors among adolescents and young adults. Focus group discussions with one hundred twenty youth in Kenyan's urban slums were transcribed, coded, and analyzed using interpretive phenomenology...
January 11, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28077449/waterpipe-promotion-and-use-on-instagram-hookah
#16
Jon-Patrick Allem, Kar-Hai Chu, Tess Boley Cruz, Jennifer B Unger
INTRODUCTION: Waterpipe (hookah) use is becoming more prevalent in the United States and abroad with potential implications for public health. As waterpipe use rapidly grows in popularity, novel data streams are needed that can help capture and document the social and environmental context in which individuals use, and are marketed, this emerging tobacco product. This study characterized waterpipe-related posts on Instagram in order to inform regulatory and policy activities in the United States...
January 11, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28077306/the-interaction-of-dietary-isoflavones-and-estradiol-replacement-on-behavior-and-brain-derived-neurotrophic-factor-in-the-ovariectomized-rat
#17
Ashley L Russell, Jamie Moran Grimes, Darwin O Larco, Danette F Cruthirds, Joanna Westerfield, Lawren Wooten, Margaret Keil, Michael J Weiser, Michael R Landauer, Robert J Handa, T John Wu
Phytoestrogens are plant derived, non-steroidal compounds naturally found in rodent chows that potentially have endocrine-disrupting effects. Isoflavones, the most common phytoestrogens, have a similar structure and molecular weight to 17β-estradiol (E2) and have the ability to bind and activate both isoforms of the estrogen receptor (ER). Most isoflavones have a higher affinity for ERβ, which is involved in sexually dimorphic behavioral regulation. The goal of this study was to examine the interaction of isoflavones and E2 presence in the OVX rat on anxiety- and depressive- like behavior and the related BDNF pathophysiology...
January 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28077286/assessment-of-neuroanatomical-and-behavioural-effects-of-in-ovo-methylmercury-exposure-in-zebra-finches-taeniopygia-guttata
#18
Maria S Yu, Margaret L Eng, Tony D Williams, Mélanie F Guigueno, John E Elliott
Methylmercury (MeHg) readily crosses the blood brain barrier and is a known neuro-toxicant. MeHg accumulation in the brain causes histopathological alterations, neurobehavioral changes, and impairments to cognitive motor functions in mammalian models. However, in birds the neurotoxic effects of MeHg on the developing pre-hatching brain and consequent behavioral alterations in adult birds have not received much attention. Moreover, passerine birds are poorly represented in MeHg neurotoxicology studies in comparison to other avian orders...
January 7, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28076584/impact-of-bullying-victimization-on-suicide-and-negative-health-behaviors-among-adolescents-in-latin-america
#19
Matthew L Romo, Elizabeth A Kelvin
Objective: To compare the prevalence of bullying victimization, suicidal ideation, suicidal attempts, and negative health behaviors (current tobacco use, recent heavy alcohol use, truancy, involvement in physical fighting, and unprotected sexual intercourse) in five different Latin American countries and determine the association of bullying victimization with these outcomes, exploring both bullying type and frequency. Methods: Study data were from Global School-based Student Health Surveys from Bolivia, Costa Rica, Honduras, Peru, and Uruguay, which covered nationally representative samples of school-going adolescents...
November 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28074443/knowledge-behaviors-and-attitudes-about-human-papilloma-virus-among-nursing-students-in-izmir-turkey
#20
Hatice Bal-Yılmaz, Deborah Koniak-Griffin
Human papillomavirus (HPV) is transmitted through sexual contact and can cause cervical cancer. The aim of this study was to determine knowledge, behaviors, and attitudes about human papillomavirus (HPV) in nursing students in a baccalaureate program. This study was conducted with a sample of 624 students. Data were collected via questionnaires administered during the first class time. Students' knowledge about HPV was high; 90.5% knew HPV can cause cervical cancer; 94.6% recognized it as a sexually transmitted disease...
January 10, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
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