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https://www.readbyqxmd.com/read/28444531/multifaceted-sexual-desire-and-hormonal-associations-accounting-for-social-location-relationship-status-and-desire-target
#1
Sara B Chadwick, Shannon M Burke, Katherine L Goldey, Sari M van Anders
Sexual desire is typically measured as a unitary erotic phenomenon and is often assumed by biological and biomedical researchers, as well as the lay public, to be directly connected to physiological parameters like testosterone (T). In the present study, we empirically examined how conceptualizing sexual desire as multifaceted might clarify associations with T and contextual variables. To do so, we used the Sexual Desire Questionnaire (DESQ), which assesses multifaceted dyadic sexual desire, to explore how contextual variables such as social location, relationship status, and desire target (e...
April 25, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28444055/prospects-of-studies-on-violence-adolescence-and-cortisol-a-systematic-literature-review
#2
Leonardo Planel Lugarinho, Joviana Quintes Avanci, Liana Wernersbach Pinto
Violence has a negative impact on adolescents and affects their quality of life. It causes stress and requires the victim's adaptive capacity, which can cause psychological and biological changes. Hormone cortisol levels have been used as stress biomarker in several studies. This paper aims to perform a systematic literature review of publications on cortisol and violence involving teenagers from 2000 to 2013. Descriptors "cortisol", "violence" and "adolescent" were used in both English and Portuguese in this review, which included bibliographic databases PubMed/Medline, Lilacs, BVS and SciELO...
April 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28442544/effects-of-aircraft-noise-exposure-on-saliva-cortisol-near-airports-in-france
#3
Marie Lefèvre, Marie-Christine Carlier, Patricia Champelovier, Jacques Lambert, Bernard Laumon, Anne-Sophie Evrard
BACKGROUND: Saliva cortisol is a possible marker of noise-induced stress and could then mediate the relation observed between exposure to aircraft or road traffic noise and cardiovascular diseases. However, the association between transportation noise and cortisol levels is still unclear. The objective of the study was to investigate the variability of saliva cortisol concentration as an indicator of disturbed hypothalamus-pituitary-adrenal (HPA) axis regulation in relation to long-term aircraft noise exposure...
April 25, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28432376/mdma-does-not-alter-responses-to-the-trier-social-stress-test-in-humans
#4
Anya K Bershad, Melissa A Miller, Harriet de Wit
RATIONALE: ±3,4-Methylenedioxymethamphetamine (MDMA, "ecstasy") is a stimulant-psychedelic drug with unique social effects. It may dampen reactivity to negative social stimuli such as social threat and rejection. Perhaps because of these effects, MDMA has shown promise as a treatment for post-traumatic stress disorder (PTSD). However, the effect of single doses of MDMA on responses to an acute psychosocial stressor has not been tested. OBJECTIVES: In this study, we sought to test the effects of MDMA on responses to stress in healthy adults using a public speaking task...
April 21, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28428002/performance-during-competition-and-competition-outcome-in-relation-to-testosterone-and-cortisol-among-women
#5
Andrea Henry, Jason R Sattizahn, Greg J Norman, Sian L Beilock, Dario Maestripieri
A contribution to a special issue on Hormones and Human Competition. This study investigated the relation between competition, testosterone (T), and cortisol (C) in women. One hundred and twenty female participants competed against a male confederate in a computerized laboratory task. The task was preprogrammed so that half the women won and half of the women lost the competition. T and C concentrations were measured in saliva samples collected at four time points before and after the competition. Accuracy and reaction time during the competition were recorded...
April 17, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28422994/the-sheep-grimace-scale-as-an-indicator-of-post-operative-distress-and-pain-in-laboratory-sheep
#6
C Häger, S Biernot, M Buettner, S Glage, L M Keubler, N Held, E M Bleich, K Otto, C W Müller, S Decker, S R Talbot, A Bleich
The EU Directive 2010/63/EU changed the requirements regarding the use of laboratory animals and raised important issues related to assessing the severity of all procedures undertaken on laboratory animals. However, quantifiable parameters to assess severity are rare, and improved assessment strategies need to be developed. Hence, a Sheep Grimace Scale (SGS) was herein established by observing and interpreting sheep facial expressions as a consequence of pain and distress following unilateral tibia osteotomy...
2017: PloS One
https://www.readbyqxmd.com/read/28412282/physiological-reactivity-to-spontaneously-occurring-seizure-activity-in-dogs-with-epilepsy-and-their-carers
#7
R M A Packer, H A Volk, R C Fowkes
There is a complex bidirectional relationship between stress and epilepsy. Stressful stimuli and subsequent cortisol release act as a trigger for seizure activity in some individuals with epilepsy, and seizure activity itself may act as a stressor to the affected individual. Epilepsy is the most common chronic neurological condition in domestic dogs and requires chronic management by their human carers, impacting upon the quality of life of both dog and carer. Seizures occur unpredictably and may be stressful for carers to witness and manage...
April 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28411412/individual-differences-in-the-activity-of-the-hypothalamic-pituitary-adrenal-axis-relations-to-age-and-cumulative-risk-in-early-childhood
#8
Steven J Holochwost, Jean-Louis Gariépy, W Roger Mills-Koonce, Cathi B Propper, Jacek Kolacz, Douglas A Granger
This study examined individual differences in the function of the hypothalamic-pituitary-adrenal (HPA) axis with regard to age and cumulative risk during challenging laboratory tasks administered at 6, 12, 24, and 36 months. Saliva samples were collected from a majority-minority sample of N=185 children (57% African American, 50% female) prior to and following these tasks and later assayed for cortisol. Cumulative distal risk was indexed via a composite of maternal marital status, maternal education, income-to-needs ratio, the number of children in the household, and maternal age at childbirth...
March 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28406540/salivary-chromogranin-a-levels-correlate-with-disease-severity-but-do-not-reflect-anxiety-or-personality-of-adult-patients-with-atopic-dermatitis
#9
Sakae Kaneko, Lijuan Liu, Takeyasu Kakamu, Masako Minami-Hori, Eishin Morita
Stress-induced scratching is an issue in patients with adult atopic dermatitis (AD). Although itching and stress are believed to be intimately related, no objective index is available; therefore, most evaluations are subjective. Using saliva, which is easily collected, we investigated the degree to which AD severity and patient stress levels are reflected in stress proteins in the saliva. Here, we evaluated the severity (Scoring Atopic Dermatitis [SCORAD] score), stress (State-Trait Anxiety Index [STAI] score), personality (Tokyo University Egogram [TEG] II score) and quality of life (Dermatology Life Quality Index [DLQI] score) of 51 patients with AD who were examined in the Department of Dermatology of Shimane University between April and December 2015...
April 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28403685/salivary-cortisol-responses-and-session-ratings-of-perceived-exertion-to-a-rugby-match-and-fatigue-test
#10
P C Caetano Júnior, M L Castilho, L Raniero
This study compared the effect of an official rugby match and a fatigue test on the salivary cortisol response of 13 rugby players. We also examined the relationship between this cortisol response and session ratings of perceived exertion (session-RPE). We collected saliva before and after the match and fatigue test and assessed physical effort intensity via session-RPE using a CR-10 scale. We measured cortisol concentration by enzyme-linked immunosorbent assays. Results were greater session-RPE and cortisol concentrations for the rugby match, compared with the fatigue test...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28387949/mindfulness-practice-reduces-cortisol-blunting-during-chemotherapy-a-randomized-controlled-study-of-colorectal-cancer-patients
#11
David S Black, Cheng Peng, Alix G Sleight, Nathalie Nguyen, Heinz-Josef Lenz, Jane C Figueiredo
BACKGROUND: The objective of this randomized clinical experiment was to test the influence of a mindfulness meditation practice, when delivered during 1 session of active chemotherapy administration, on the acute salivary cortisol response as a marker of neuroendocrine system activity in cancer patients. METHODS: A mindfulness, attention-control, or resting exposure was assigned to 57 English- or Spanish-speaking colorectal cancer patients at 1 county oncology clinic and 1 university oncology clinic at the start of chemotherapy...
April 7, 2017: Cancer
https://www.readbyqxmd.com/read/28385173/novel-augmentation-strategies-in-major-depression
#12
Klaus Martiny
Hypothesis The hypotheses of all the four included studies share the common idea that it is possible to augment the effect of antidepressant drug treatment by applying different interventions and with each intervention attain a clinically meaningful better effect compared to a control condition, and with minor side effects, thus improving the short- and medium-term outcome in major depression. Procedures Study design The basic study design has been the double blind randomised controlled trial (RCT). In the light therapy study, all patients were treated with sertraline for the whole of the study duration...
April 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28381457/a-novel-biomarker-associated-with-distress-in-humans-calcium-binding-protein-spermatid-specific-1-cabs1
#13
Thomas Ritz, David Rosenfield, Chris D St Laurent, Ana F Trueba, Chelsey A Werchan, Pia D Vogel, Richard J Auchus, Eduardo Reyes-Serratos, A Dean Befus
BACKGROUND: Calcium binding protein, spermatid specific 1 (CABS1) is expressed in human submandibular gland and has an anti-inflammatory motif similar to that in submandibular rat 1 (SMR1) in rats. Here we investigate CABS1 in human saliva and its association with psychological and physiological distress and inflammation in humans. METHOD: Volunteers participated across three studies: weekly baseline measures; a psychosocial speech and mental arithmetic stressor under evaluative threat; and during academic exam stress...
April 5, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28380612/effect-of-rest-stop-duration-during-long-distance-transport-on-welfare-indicators-in-recently-weaned-beef-calves
#14
S Marti, R E Wilde, D Moya, C E M Heuston, F Brown, K S Schwartzkopf-Genswein
Forty newly weaned beef calves (260 ± 32.6 kg) were transported 15 h in a livestock trailer (7.3 by 2.1 m) on 2 separate hauls 1 wk apart (20 calves/haul) to evaluate the effect of rest stop duration on indicators of calf welfare. Immediately following the 15-h journey, 15 calves/haul were randomly unloaded at a feedlot and randomly assigned to 1 of 3 rest stop treatments; calves without resting time (5 calves/haul) remained on the trailer and were used as the control group. Treatments included 0- (Control [CON]), 5- (RS5), 10- (RS10), or 15-h (RS15) rest periods in pens containing ad libitum access to water and long-stem hay...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28375882/salivary-cortisol-and-cortisone-in-the-clinical-setting
#15
Joanne Blair, Jo Adaway, Brian Keevil, Richard Ross
PURPOSE OF REVIEW: A resurgence of interest in salivary biomarkers has generated evidence for their value in assessing adrenal function. The advantages of salivary measurements include only free hormone is detected, samples can be collected during normal daily routines and stress-induced cortisol release is less likely to occur than during venepuncture. We review the use of salivary biomarkers to diagnose and monitor patients for conditions of cortisol excess and deficiency and discuss the value of measuring salivary cortisone versus salivary cortisol...
April 3, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28368782/yoga-stretching-for-improving-salivary-immune-function-and-mental-stress-in-middle-aged-and-older-adults
#16
Nobuhiko Eda, Hironaga Ito, Kazuhiro Shimizu, Satomi Suzuki, Eunjae Lee, Takao Akama
Protection against age-related immune suppression is important in elderly individuals. This study determined the effect of yoga on mucosal immune function and mental stress. Saliva samples were collected from 23 adult women (age: 60.4 ± 10.4 years) before and after 90 minutes of yoga stretching or rest to measure secretory immunoglobulin A (SIgA), cortisol, and testosterone. The SIgA concentration and secretion rate were significantly higher after yoga than before (p < .05). The cortisol concentration and secretion rate were lower and testosterone secretion rate higher after yoga (p < ...
April 3, 2017: Journal of Women & Aging
https://www.readbyqxmd.com/read/28368203/daily-interactions-with-aging-parents-and-adult-children-associations-with-negative-affect-and-diurnal-cortisol
#17
Kira S Birditt, Jasmine A Manalel, Kyungmin Kim, Steven H Zarit, Karen L Fingerman
Midlife adults report greater investment in their children than in their parents, and these ties have important implications for well-being. To date, little research has addressed daily experiences in these ties. The present study examines daily experiences (negative and positive) with aging parents and adult children and their associations with daily negative affect and diurnal cortisol rhythms. Participants were middle-aged adults (N = 156; 56% women) from Wave 2 of the Family Exchanges Study, conducted in 2013, who completed a 7-day daily diary study, which included assessments of daily negative and positive social encounters and negative affect, and 4 days of saliva collection, which was collected 3 times a day (upon waking, 30 min after waking, and at bedtime) and assayed for cortisol...
April 3, 2017: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/28365516/charged-derivatization-and-on-line-solid-phase-extraction-to-measure-extremely-low-cortisol-and-cortisone-levels-in-human-saliva-with-liquid-chromatography-tandem-mass-spectrometry
#18
Balázs Magda, Zoltán Dobi, Katalin Mészáros, Éva Szabó, Zoltán Márta, Tímea Imre, Pál T Szabó
The aim of this study was to develop a sensitive, reliable and high-throughput liquid chromatography - electrospray ionization - mass spectrometric (LC-ESI-MS/MS) method for the simultaneous quantitation of cortisol and cortisone in human saliva. Derivatization with 2-hydrazino-1-methylpyridine (HMP) was one of the most challenging aspects of the method development. The reagent was reacting with cortisol and cortisone at 60°C within 1h, giving mono- and bis-hydrazone derivatives. Investigation of derivatization reaction and sample preparation was detailed and discussed...
June 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28365397/hormonal-underpinnings-of-status-conflict-testosterone-and-cortisol-are-related-to-decisions-and-satisfaction-in-the-hawk-dove-game
#19
Pranjal H Mehta, Nicole M Lawless Desjardins, Mark van Vugt, Robert A Josephs
A contribution to a special issue on Hormones and Human Competition. Testosterone is theorized to influence status-seeking behaviors such as social dominance and competitive behavior, but supporting evidence is mixed. The present study tested the roles of testosterone and cortisol in the hawk-dove game, a dyadic economic decision-making paradigm in which earnings depend on one's own and the other player's choices. If one person selects the hawk strategy and the other person selects the dove strategy, the player who selected hawk attains a greater financial pay-off (status differentiation)...
March 29, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28363118/gender-differences-in-automatic-thoughts-and-cortisol-and-alpha-amylase-responses-to-acute-psychosocial-stress-in-patients-with-obsessive-compulsive-personality-disorder
#20
Masayuki Kanehisa, Chiwa Kawashima, Mari Nakanishi, Kana Okamoto, Harumi Oshita, Koji Masuda, Fuku Takita, Toshihiko Izumi, Ayako Inoue, Yoshinobu Ishitobi, Haruka Higuma, Taiga Ninomiya, Jotaro Akiyoshi
INTRODUCTION: Obsessive-compulsive personality disorder (OCPD) has a pervasive pattern of preoccupation with orderliness, perfection, and mental and interpersonal control at the expense of flexibility, openness, and efficiency. The aims of the present study were to explore the relationship between OCPD and psychological stress and psychological tests. METHODS: We evaluated 63 OCPD patients and 107 healthy controls (HCs). We collected saliva samples from patients and controls before and after a social stress procedure, the Trier Social Stress Test (TSST), to measure the concentrations of salivary alpha-amylase (sAA) and salivary cortisol...
March 28, 2017: Journal of Affective Disorders
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