Chronic adversity dampens dopamine production
Those who experience chronic adversity throughout life have impaired ability to produce sufficient dopamine levels to help them cope with stressful situations.... Read More...
stress
Horses blink less and twitch eyelids more when stressed
Spontaneous blink rate decreases while eyelid twitches increase when a horse experiences a stressful situation.... Read More...
Stressed to the max? Deep sleep can rewire the anxious brain
Deep sleep restores the medial prefrontal cortex mechanisms that restore emotion. This lowers emotional and physiological reactivity, preventing the escalation of stress and anxiety.... Read More...
Increased depression, suicidal thoughts and stress are reported in patients with chronically itchy skin
People with chronic itching conditions such as eczema and psoriasis are at increased risk of stress, depression, and suicidal thoughts than those without such skin conditions.... Read More...
Narcissism might be a dark trait but it can lower stress levels and reduce chances of depression
Grandiose narcissists are more likely to be "mentally tough", experience less stress, and are less prone to depression.... Read More...
Who will get depressed under major stress? Study shows promise of genetic risk prediction
A polygenetic risk score for major depressive disorder may reveal those most at risk of developing depression during times of extreme stress.... Read More...
How stress and mother’s abuse affects infant brain
Early life stress alone impairs hippocampal development. Stress, in addition to maternal mistreatment within the first few weeks of life, also hinders amygdala development.... Read More...
Pregnancy stress triggers immune response that may contribute to postpartum depression
Chronic stress during pregnancy increases neuroinflammation. The immune changes may create circumstances in the brain, which increase susceptibility to postnatal depression.... Read More...
Stress during pregnancy may affect baby’s sex and risk of preterm birth
Stress and depression during pregnancy can affect the fetus' sex and increase the risk of preterm birth. Mothers who experienced physical and psychological stress during pregnancy were less likely to have a baby boy. During pregnancy, the fetuses of stressed mothers had reduced heart rate movement coupling, indicating slower central nervous system development.... Read More...
Researcher uses sweat monitors to predict behavioral issues in adolescents severely affected with autism
Electrodermal activity, which results in an increased level of sweat, was able to determine when an adolescent with server ASD was about to embark on aggressive behavior 60% of the time.... Read More...
Rare sleep disorder common among veterans with PTSD
21% of veterans who experience PTSD or traumatic brain injury suffer from a rare sleep condition that affects less than 1% of the general population. The condition, REM sleep behavior disorder (RBD), is characterized by an impairment of sleep-related muscle paralysis, causing people to act out dreams during REM sleep. The uncontrolled actions often cause harm to the sufferer of their partners. ... Read More...
Scientists find gender-distinct circuit for depression
A circuit-specific gender difference in ventral hippocamps to nucleus accumbens (vHPC-NAc) neurons is dependent on testosterone and causes more susceptibility to stress in females. ... Read More...