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Salivary Cortisol and psychobiological influences on parental caregiving behaviors
Psychobiological influences on maternal sensitivity in the context of adversity Author: Finegood ED, et al (2016), Dev Psychol. This study evaluated prospective longitudinal relations among an index of poverty-related cumulative risk, maternal salivary cortisol, child negative affect, and maternal sensitivity across the first 2 postpartum years. Participants included 1,180 biological mothers residing in rural and […]
Review: Pathogen-Specific Antibody Biomarkers to Estimate Waterborne Infections
Use of Pathogen-Specific Antibody Biomarkers to Estimate Waterborne Infections in Population-Based Settings Author: Exum NG, et al (2016), Curr Environ Health Rep. PURPOSE OF REVIEW: This review discusses the utility of pathogen-specific antibody biomarkers for improving estimates of the population burden of waterborne infections, assessing the fraction of infections that can be prevented by specific […]
Latent trait salivary cortisol & stress-related cardiovascular risk factors
Salivary latent trait cortisol (LTC): Relation to lipids, blood pressure, and body composition in middle childhood Author: Yeung EW, et al (2016), Psychoneuroendocrinology. Adversity experienced early in life has the potential to influence physical health later in life. The stress-health relation may be partially explained by stress-related effects on cardiovascular risk factors. This study explored […]
Autonomic and Inflammatory Responses Moderated by Stress Appraisals and Affect
Coordination of cortisol response to social evaluative threat with autonomic and inflammatory responses is moderated by stress appraisals and affect Author: Laurent HK, et al (2016), Biol Psychol. Recent approaches to stress regulation have emphasized coordination among multiple biological systems. This study builds on evidence that hypothalamic-pituitary-adrenal (HPA) axis activity should be considered in coordination […]
Nonhuman primates mirror human early life adversity & salivary cortisol/alpha-amylase responses
Effects of early life adversity on cortisol/salivary alpha-amylase symmetry in free-ranging juvenile rhesus macaques. Author: Petrullo LA, et al (2016), Horm Behav. Early life adversity (ELA) affects physiological and behavioral development. One key component is the relationship between the developing Hypothalamic-Pituitary-Adrenal (HPA) axis and the Sympathetic Nervous System (SNS). Recent studies suggest a relationship between […]
Sex hormone variations in both sexes may be important when investigating stress physiology
Sex hormones adjust “sex-specific” reactive and diurnal cortisol profiles. Author: Author: Juster, et al (2015), Psychoneuroendocrinology Sex differences in stress hormone functions are presumed to depend on sex hormones. And yet, surprisingly few psychoneuroendocrine studies actually assess within-sex variations of testosterone, estradiol, and progesterone when investigating sex-specific activities of the hypothalamic-pituitary-adrenal axis. In this methodological […]
Latent Trait Cortisol level reflects accumulation of both distal and recent forms of stress
Individual differences in early adolescents’ latent trait cortisol (LTC): Relation to recent acute and chronic stress. Author: Stroud CB, et al (2016), Psychoneuroendocrinology Research suggests that environmental stress contributes to health by altering the regulation of the hypothalamic pituitary adrenal (HPA) axis. Recent evidence indicates that early life stress alters trait indicators of HPA axis […]
40 years of testosterone in biosociology research
Testosterone in biosociology: A memoir Author: Mazur (2016), Hormones and Behavior The author looks back at his four decades of research on testosterone in the context of biosociology – its accomplishments, pitfalls, outstanding questions, and future directions. View Abstract Keywords: Testosterone
Inconsistencies limit randomized controlled trials measuring salivary diurnal cortisol
Use of Salivary Diurnal Cortisol as an Outcome Measure in Randomised Controlled Trials: a Systematic Review. Author: Ryan, et al (2015), Annals of Behavioral Medicine BACKGROUND: Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is associated with diverse adverse health outcomes, making it an important therapeutic target. Measurement of the diurnal rhythm of cortisol secretion provides a […]
Salivary bioscience enables anabolic hormone profiles in elite military men
Anabolic hormone profiles in elite military men. Author: Taylor MK, et al (2016), Steroids. This study recently characterized the awakening responses and daily profiles of the catabolic stress hormone cortisol in elite military men. Anabolic hormones follow a similar daily pattern and may counteract the catabolic effects of cortisol. This companion report is the first […]
Cardiovascular health disparities and psychosocial factors that influence stress reactivity
A Preliminary Experimental Examination of Worldview Verification, Perceived Racism, and Stress Reactivity in African Americans Author: Lucas, et al (2016), Health Psychology This preliminary examination considers how experiencing injustice can affect perceived racism and biological stress reactivity among African Americans. Guided by worldview verification theory, it was hypothesized that responses to receiving an unfair outcome […]
The Role of Salivary Bioscience in the Social Neuroscience of Human-Animal Interaction (HAI)
Ch. 9 – Advancing the Social Neuroscience of Human-Animal Interaction: The Role of Salivary Bioscience Author: Dreschel and Granger (2016), The Social Neuroscience of Human–Animal Interaction There have been recent calls to increase the number of sound scientific studies, including the integration of valid and repeatable biobehavioral measures of both short- and long-term effects. Technical […]
Salivary cortisol and the effects of child care on development in high & low risk contexts
Child Care and Cortisol Across Infancy and Toddlerhood: Poverty, Peers, and Developmental Timing Author: Berry, et al (2016), Family Relations Evidence suggests that relations between child care and children’s development—behaviorally and physiologically—likely differ between children from high- versus low-risk contexts. Using 1,155 participant data from the Family Life Project, the authors tested (a) whether within- […]
Review: How negative parent-child relationships affect the biological stress system
Family relations, stress, and vulnerability: Biobehavioral implications for prevention and practice Author: Ha, et al (2016), Family Relations Developmental psychobiology research supports the hypothesis that individual differences in biological stress systems that are sensitive to environmental experiences are associated with individual adjustment problems. Negative social experiences, especially in family contexts, contribute to the dysregulation of […]
Early adversity contributes to lower latent trait salivary cortisol (LTC) levels in adolescence
Individual differences in early adolescents’ latent trait cortisol (LTC): Relation to early adversity Author: Stroud CB, et al (2016), Developmental Psychobiology Substantial evidence suggests that youth who experience early adversity exhibit alterations in hypothalamic pituitary adrenal (HPA) axis functioning, thereby increasing risk for negative health outcomes. However, few studies have explored whether early adversity alters […]