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cortisol

Featured Genetics Neuroscience Psychology

·March 24, 2023·5 min read

New Discovery Reveals Sex-Specific Causes of Depression Triggered by Stress Hormones Dysfunction

Men are more likely to have a dysregulated HPA axis that is associated with depressive symptoms, while women have higher levels of binding proteins for stress hormones that may prevent dysregulation of the HPA axis. The findings shed new light on how stress hormones impact dopamine transmission and how this impacts depression on a sex-specific basis.

Featured Genetics Neuroscience Open Neuroscience Articles Psychology

·February 16, 2023·5 min read

Discovery in Zebrafish May Yield Better Understanding of a Range of Mental Health Disorders Related to Stress and Anxiety

Deficiencies in DSCAML1 disrupt normal brain development and increase baseline levels of cortisol, making the hormone less able to function correctly during periods of stress. The findings shed new light on programmed cell death in the developing brain and could lead to new treatments for mental health disorders including stress and anxiety.

Featured Neuroscience Psychology

·February 13, 2023·4 min read

Neurosteroid Deficits Leads to Depressed Behavior

Chronic stress impairs allopregnanolone production in the basolateral amygdala, a brain area associated with mediating emotional response. The reduction of this neurosteroid results in depressive symptoms in animal models.

Featured Neuroscience Psychology

·September 27, 2022·4 min read

What if Some Stress Actually Protects Your Body?

Study finds the immune system may benefit from a measure of stress.

Featured Neuroscience Psychology

·September 20, 2022·6 min read

Molecular Changes in the Brain in the Aftermath of a Traumatic Event May Help Explain Long-Term Susceptibility or Resilience

In mice genetically more susceptible to PTSD following a stressful event, researchers found an increased expression of cortisol receptors on neurons in the CA1 region of the dorsal hippocampus. Those increased receptors enabled an elevated expression of the HCN1 protein and TRIP8b, reducing neural excitability.

Featured Neuroscience Psychology

·August 13, 2022·6 min read

Cognitive Biases and Brain Biology Help Explain Why Facts Don’t Change Minds

Our worldview forms during childhood as a result of our socialization within a particular cultural context. Our views get reinforced over time by the social groups we keep, the media we consume, and even the way in which our brains are wired. Challenging our worldviews with facts can feel like an attack on our personal identities and can often result in hardening our positions. Researchers assess how we can open our minds and explore facts that may go against our personal worldviews.

Featured Neuroscience Psychology

·August 2, 2022·4 min read

The Cost of Loneliness

Researchers discuss the detrimental psychological, physical, and economic impact of loneliness.

Featured Neuroscience Psychology

·July 22, 2022·3 min read

Feeling Stressed? It Can Show In Your Skin, Hair, and Nails

Researchers explain how stress can have a detrimental impact on your skin, nails, and hair.

Featured Neuroscience Open Neuroscience Articles Psychology

·June 15, 2022·4 min read

Dog-Assisted Interventions Lead To Lower Stress Levels in Children

A new study reports that dog-assisted interventions lower cortisol levels and overall stress in young children.

Featured Neuroscience Neuroscience Videos Psychology

·May 21, 2022·3 min read

Stress Can Make You More Selfish

Higher levels of stress can diminish altruistic behaviors, researchers report.

Featured Neuroscience Open Neuroscience Articles Psychology

·May 18, 2022·3 min read

Women Who Hugged Their Partner Subsequently Had Lower Stress-Induced Cortisol Response

Women who hug their partners before a stressful event have a lower biological stress response and reduced cortisol levels compared to women who do not embrace their partners.

Featured Neuroscience Psychology

·March 26, 2022·3 min read

Stress Hormone Reduces Altruistic Behavior in Empathetic People

The stress hormone cortisol reduces altruistic behaviors and alters brain activity in the dorsolateral prefrontal cortex in people with higher levels of empathy.

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