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Post-competition salivary testosterone levels higher in winners
Effects of competition outcome on testosterone concentrations in humans: An updated meta-analysis Author: Geniole SN, et al (2016), Hormones and Behavior. A contribution to a special issue on Hormones and Human Competition. Since Archer’s (2006) influential meta-analysis, there has been a major increase in the number of studies investigating the effect of competition outcome on […]
The stress response to perceived discrimination as indicated by salivary measures
Perceived Discrimination, Racial Identity, and Multisystem Stress Response to Social Evaluative Threat among African American Men and Women Author: Lucas T, et al (2016), Psychosomatic Medicine. OBJECTIVES: Understanding individual differences in the psychobiology of the stress response is critical to grasping how psychosocial factors contribute to racial and ethnic health disparities. However, the ways in […]
Chronic caregiver-related stress linked to diurnal salivary alpha-amylase rhythms
Diurnal Salivary Alpha-Amylase Dynamics Among Dementia Family Caregivers Author: Liu Y, et al (2016), Health Psychology. Objective: The study examined diurnal regulation of salivary alpha-amylase (sAA) in association with daily stressors, adult day services (ADS) use, and other caregiving characteristics. Method: A sample of 165 family caregivers of individuals with dementia (IWD) completed an 8-day […]
Determining the appropriate statistical approach for effective analysis of hormone ratios
How to use and interpret hormone ratios Author: Sollberger S, et al (2016), Psychoneuroendocrinology. Hormone ratios have become increasingly popular throughout the neuroendocrine literature since they offer a straightforward way to simultaneously analyze the effects of two interdependent hormones. However, the analysis of ratios is associated with statistical and interpretational concerns which have not been […]
New Salimetrics Salivary Cytokine Panel Advances Research with One, Small Saliva Sample.
New Salimetrics Salivary Cytokine Panel Advances Research with One, Small Saliva Sample. ((November 10, 2016) Salimetrics, the salivary bioscience company, today announced their latest offering in cutting edge salivary research with Salimetrics’ Salivary Cytokine Panel. The new cytokine panel measures IL-1 beta, IL-6, IL-8 & TNF-Alpha concentrations simultaneously using a single, 100 µl saliva sample [...]
Salivary uric acid modulates stress-related hippocampal activity
The hippocampal response to psychosocial stress varies with salivary uric acid level Author: Goodman AM, et al (2016), Neuroscience. Uric acid is a naturally occurring, endogenous compound that impacts mental health. In particular, uric acid levels are associated with emotion-related psychopathology (e.g., anxiety and depression). Therefore, understanding uric acid’s impact on the brain would provide […]
Study demonstrates combined effects of salivary cortisol & DHEA-S in predicting depressive symptoms
Concurrent and prospective associations between HPA axis activity and depression symptoms in newlywed women Author: Ge F, et al (2016), Psychoneuroendocrinology. We investigated the extent to which individual differences in activity of the hypothalamic pituitary adrenal axis (HPA) are associated with depressive symptoms among newlywed couples. Participants were 218 couples (M age 28.4 years; 94% […]
Salimetrics Supports Institute for Interdisciplinary Salivary Bioscience Research (IISBR) Event
Salimetrics’ CEO, Hans Schroeder, recently attended a special presentation by Dr. Douglas Granger to celebrate the launch of the new Institute for Interdisciplinary Salivary Bioscience Research (IISBR) at the University of California, Irvine (UCI). The event was attended by Orange County and UCI community members who came to hear about the history and recent advances […]
Cortisol reactivity attenuates the association between PDE and behavioral problems
Prenatal Drug Exposure and Adolescent Cortisol Reactivity: Association with Behavioral Concerns. Author: Buckingham-Howes S, et al (2016), J Dev Behav Pediatr OBJECTIVE: To examine stress reactivity in a sample of adolescents with prenatal drug exposure (PDE) by examining the consequences of PDE on stress-related adrenocortical reactivity, behavioral problems, and drug experimentation during adolescence. CONCLUSION: Findings […]
SalivaBio’s Saliva Collection Aid Receives Patent Approval
SalivaBio’s Saliva Collection Aid Receives Patent Approval (September 25, 2016) SalivaBio, LLC, developers of innovative, easy to use saliva collection devices, and Johns Hopkins University announced today that they have received final approval from the United States Patent Office for their Saliva Collection Aid (SCA). The Saliva Collection Aid simplifies the collection of passive drool [...]
Stress Physiology in Infancy and Early Childhood: Cortisol Flexibility, Attunement and Coordination
Long-term stability of diurnal salivary cortisol and alpha-amylase secretion patterns Author: Atkinson L, et al (2016), J Neuroendocrinol Research on stress physiology in infancy has assumed increasing importance due to its lifelong implications. In this review, we focus on measurement of hypothalamic-pituitary-adrenal (HPA) function, in particular, and on complementary autonomic processes. We suggest that the […]
Testosterone levels impair emotion-recognition ability during test
Testosterone reduces functional connectivity during the ‘Reading the Mind in the Eyes’ Test. Author: Bos PA, et al (2016), Psychoneuroendocrinology. Women on average outperform men in cognitive-empathic abilities, such as the capacity to infer motives from the bodily cues of others, which is vital for effective social interaction. The steroid hormone testosterone is thought to […]
Salimetrics Supports Adolescent Brain Cognitive Development (ABCD) Study with Salivary Bioscience
Salimetrics Supports Adolescent Brain Cognitive Development (ABCD) Study with Salivary Bioscience Salimetrics is supporting the largest National Institutes of Health (NIH) sponsored research project focused on brain development and adolescent health with efficient, participant-centric biological data from saliva samples. As part of its mission to support scientific studies that turn discovery into better health, the [...]
Identifying sampling schemes to capture key salivary cortisol responses
Balancing Scientific Accuracy and Participant Burden: Testing the Impact of Sampling Intensity on Diurnal Cortisol Indices. Author: Hoyt LT, et al (2016), Stress. Despite the increasing popularity of incorporating salivary cortisol measurement into health and social science research, relatively little empirical work has been conducted on the number of saliva samples across the day required […]
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 […]