BACKGROUND Behavioral scientists have theorized that perceived racism in social interactions may account for some of the observed disparities in coronary heart disease between Black and White Americans. PURPOSE The objective was to examine whether racial stress influences cardiovascular reactivity, a risk factor for cardiovascular disease. METHODS We measured cardiovascular responses in Bla...

The activation of genomic signaling in response to stressor-mediated cortisol elevation has been studied extensively in teleosts. However, very little is known about the rapid signaling events elicited by this steroid. We tested the hypothesis that cortisol modulates key stress-related signaling pathways in response to an acute stressor in fish liver. To this end, we investigated the effect of ...

Alterations in synaptic endocannabinoid signaling are a widespread neurobiological consequence of many in vivo experiences, including stress. Here, we report that stressor salience is critical for bidirectionally modifying presynaptic CB-1 receptor (CB1R) function at hypothalamic GABA synapses controlling the neuroendocrine stress axis in male rats. While repetitive, predictable stressor exposu...

Climatic warming is a global problem and acute thermal stressor in particular could be considered as a major stressor for wildlife. Cane toads (Rhinella marina) have expanded their range into warmer regions of Australia and they provide a suitable model species to study the sub-lethal impacts of thermal stressor on the endocrine physiology of amphibians. Presently, there is no information to sh...

The official definition of post-traumatic stress disorder (PTSD) in DSM-III and in subsequent DSM editions is based on a conceptual model that brackets traumatic or catastrophic events from less severe stressors and links them with a specific syndrome. The diagnosis of PTSD requires an identifiable stressor and the content of the defining symptoms refers to the stressor, for example, reexperien...

PURPOSE The fluctuations in force during a steady contraction can be influenced by age, vision, and level of physiological arousal. The aim of this study was to determine the effects of a stressor on the force fluctuations and information transmission exhibited by young, middle-aged, and older adults when a pinch-grip task was performed with and without visual feedback. METHODS Thirty-six men...

background: adjustment disorder (ajd) is a transient mental health condition emerging after stressful life events. its diagnostic criteria have recently been under revision which led to the development of the adjustment disorder–new module 20 (adnm-20) as a self-report assessment. objective: to identify a threshold value for people at high risk for ajd. methods: as part of a randomized controll...

background and aim: postpartum period is an exclusive period after birth which can act as a potential stressor and could be accompanied with psychological disorders. social support could play an important role in maternal mental health. considering various stressors and different levels of social support for women, this study aimed to compare postpartum stressors as well as social support level...