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stress

·April 25, 2025·5 min read

Only Children Face Unique Struggles as Parental Caregivers

As single-child families rise in the U.S., more adults are navigating the intense responsibility of caregiving without the support of siblings. A new study reveals that only children experience greater emotional and financial stress when caring for aging parents, and support from friends or extended family doesn't offer the same relief it does for those with siblings.

Featured Neuroscience Psychology

·April 14, 2025·3 min read

Nearly Half of U.S. Adults Report Weekly Stress from News

A new national survey reveals that 45% of U.S. adults experience stress at least once a week due to news or social media, with 16% feeling stressed daily. While stress is a natural response to caring deeply about issues or people, chronic exposure without relief can negatively affect both mental and physical health.

Featured Neuroscience Psychology

·April 10, 2025·4 min read

Motivational Stress Mindset Keeps Empathy

Viewing stress as a potential motivator can improve productivity and wellbeing without reducing empathy or willingness to support others. Researchers developed a brief online intervention that teaches participants to reframe stress more positively using education and visualization techniques.

Featured Neuroscience Psychology

·April 9, 2025·4 min read

Fear Sync: How Males and Females Respond to Stress Together

When mice face fear, they often freeze—and when paired, they typically freeze together. A new study reveals that male-female pairs maintain synchronized fear responses even under stress, unlike same-sex pairs.

Featured Neuroscience Psychology

·March 10, 2025·4 min read

Prenatal Stress Timing Shapes Infant Stress Response

New research reveals that the timing of stress during pregnancy has gender-specific effects on infants, altering how boys and girls respond to stress differently. Scientists found mid-pregnancy stress has a stronger impact on girls' stress reactivity, while boys are more sensitive to stress experienced in late gestation.

Featured Neuroscience Psychology

·March 3, 2025·4 min read

Brain Changes From Early-Life Stress May Be Reversible

A new study reveals how prenatal infections followed by early-life stress—known as "two-hit stress"—can lead to brain dysfunction and psychiatric-like behaviors. Researchers found that affected mice showed abnormal cerebellar activity, increased microglial turnover, and impaired brain-wide connectivity.

Featured Neuroscience Psychology

·February 18, 2025·4 min read

Early Life Stress Rewires Brain Circuits Linked to Social Motivation

New research shows that early life stress disrupts dopamine signaling, altering social motivation and behavior. Scientists found that mice raised in stressful conditions were less likely to engage in social interactions compared to those with enriched experiences.

Featured Genetics Neuroscience Psychology

·February 18, 2025·4 min read

Prenatal Stress Hormones Alter Brain Development

Environmental factors like stress and medication exposure during pregnancy can shape brain development, but the mechanisms remain unclear. Researchers used brain organoids to study the effects of synthetic glucocorticoids, commonly given to prevent complications in premature births.

Auditory Neuroscience Featured Neuroscience Psychology

·February 11, 2025·4 min read

Stress Alters How the Brain Processes Sound

Chronic stress weakens the brain’s ability to process sounds, requiring louder stimuli to trigger normal responses, according to new research in mice. Scientists found that stress affects inhibitory brain cells, which suppress responses to lower-decibel sounds while maintaining sensitivity to louder noises.

Featured Neuroscience Psychology

·January 9, 2025·5 min read

Neural Mechanisms Behind Stress-Driven Social Changes Found

Male and female mice usually prefer female companions but switch to preferring males under survival stress, a new study reveals. This behavioral shift is driven by distinct brain circuits involving dopaminergic neurons in the ventral tegmental area.

Featured Neuroscience Psychology

·December 16, 2024·3 min read

Dopamine Plays Key Role in the Heart’s Stress Response

Researchers have discovered how stress-induced cardiovascular changes are controlled by the brain. Experiments in rats show that activating the lateral habenula, a stress-sensitive brain region, triggers changes in heart rate and blood pressure.

Featured Neuroscience Psychology

·December 6, 2024·4 min read

Astrocytes Hold the Key to Stress Response Regulation

Astrocytes, previously known for supporting nerve cells, have been identified as key regulators of stress responses in the lateral septum of the brain. Researchers demonstrated that astrocytes release adenosine to suppress nearby nerve activity when exposed to stress-inducing stimuli. This groundbreaking finding reveals that astrocytes interact dynamically with neurons to influence fear, anxiety, and social behaviors, varying based on the stress type and brain region.