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Mice offer clues to the roots of human resilience

A new mouse study found that mice who are more susceptible to social defeat show increased levels of a growth factor known as BDNF in their brains' reward circuits, which promotes plasticity and learning. Resilient mice, on the other hand, did not exhibit this chemical rise, suggesting a potential link between BDNF and human resilience.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

How emotionally charged events leave their mark on memory

Researchers have discovered a mechanism that strengthens memory connections in response to emotional stress, which may underlie why traumatic events can be more vividly remembered than everyday ones. The study found that the stress hormone norepinephrine enhances learning and memory by increasing GluR1 receptors.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

A brain chemical that battles despair

Studies reveal a gene-regulating protein that triggers coping mechanisms in mice exposed to inescapable stress, leading to reduced behavioral despair. The discovery provides an animal model for exploring how antidepressants work on the brain circuitry involved in stress response.

JRRD releases single-topic issue on pain and pain management

This article discusses various aspects of pain management, including the impact of depression and posttraumatic stress disorder (PTSD) on patient satisfaction. The study found that patients with both conditions were more likely to have a chronic medical condition and greater physical and psychosocial stressors.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Psychological and physical torture have similar mental effects

A study of 279 torture survivors found that psychological manipulation, deprivation, and humiliation caused as much distress as physical torture. The researchers concluded that the distinction between torture and other forms of maltreatment is not only useless but also dangerous.

Severe PTSD damages children's brains, Stanford/Packard study shows

A Stanford/Packard study found that severe PTSD damages children's brains by reducing the size of the hippocampus, a crucial structure for memory processing and emotion. Children with PTSD were more likely to experience a decrease in hippocampal volume, which can lead to prolonged symptoms and impaired brain development.

Extra cortisol protects women's mood under stress

Researchers found that cortisol can lessen emotional impact of stress in women, with a high dose providing protective effects. The study suggests potential for cortisol as a clinical tool to treat and prevent anxiety disorders.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

PTSD may increase heart disease risk in older men

A prospective study found that higher levels of PTSD symptoms are associated with an increased risk of non-fatal and fatal coronary heart disease in older male veterans. The study analyzed data from 1,946 men enrolled in the Veterans Affairs Normative Aging Study.

Experience sculpts brain circuitry to build resiliency to stress

Researchers found that experiencing control over a stressor immunizes a rat from developing depression-like syndrome when it later encounters uncontrollable stressors. The prefrontal cortex plays a crucial role in processing information about controllability and regulating responses to subsequent stressors.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Fatigue in women is reduced in stress-related cortisol study

A study of healthy women has found that stress-related cortisol administration can reduce fatigue and increase vigor. The research may help fine-tune treatments for illnesses linked to low cortisol levels, such as chronic fatigue syndrome and post-traumatic stress disorder.

Stress, childhood trauma linked to chronic fatigue syndrome in adults

Research finds childhood traumatic events and emotional instability are associated with CFS, which affects daily activities and interferes with rest. Higher overall trauma scores increase the risk of CFS by 3-8 times, with emotional neglect and sexual abuse during childhood linked to worse symptoms.

Pre-clinical study suggests how steroid can reverse post-traumatic stress

Researchers at UT Southwestern Medical Center discovered that a natural stress hormone corticosterone can decrease the fearful response associated with reliving traumatic memories in mice. The study showed that this hormone enhances new memories competing with fearful memories, thereby decreasing their negative emotional significance.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

SUNY Downstate scientists discover memory molecule

Scientists at SUNY Downstate Medical Center discovered a molecular mechanism maintaining memories in the brain by inhibiting a specific enzyme, protein kinase M zeta. This finding may have applications in treating chronic pain and memory loss conditions such as post-traumatic stress disorder.

Researchers conduct training in disaster mental health

Researchers are developing a new field in disaster mental health training to address the emotional needs of victims, first responders, and others affected by disasters. With funding from the DOH Grant, they have already trained 168 community-based mental health professionals and plan to expand their reach.

Stress, alcoholics, and post-traumatic stress disorder

A study found that individuals with alcohol dependence without PTSD exhibit a disconnect between emotional distress and biological stress response to stress tests. They are more likely to relapse during the follow-up period due to this disruption.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Combat duty in Iraq linked with high use of mental health services

The study found that US military veterans who served in Iraq had a higher prevalence rate of mental health problems and combat experiences compared to those who served in Afghanistan or other locations. Iraq veterans used inpatient and outpatient mental health services at higher rates, with an annualized rate of utilization of 35%.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Study finds torture and human rights abuses among Tibetan refugees

Researchers found extremely high reported human rights violations among Tibetan refugees, leading to increased incidence of post-traumatic stress disorder, anxiety disorders, and depression. The study reveals that torture and human rights abuses are unacceptably high among Tibetans who have escaped to Nepal or India.

Heart disease patients face greater risk of PTSD

According to a recent review, approximately 15% of heart attack patients develop post-traumatic stress disorder (PTSD), which can lead to impairments in social functioning, vitality, and physical health. The study also identifies risk factors for PTSD in cardiovascular disease patients.

Opiate drugs increase vulnerability to stress

A study by Gavan McNally and colleagues found that opiate users are more susceptible to stress-induced anxiety. The researchers tested rats with morphine or saline solution, then subjected them to restraint stress. The results showed that opiate-treated rats experienced greater anxiety responses, including reduced social interaction, a...

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Mental health of war survivors

A study published in JAMA Network in 2005 found that war survivors experienced high rates of mental health disorders, including post-traumatic stress disorder (PTSD) and depression. The study highlighted the need for comprehensive care and support for military personnel returning from combat.

PTSD, depression epidemic among Cambodian immigrants

A study of Cambodian immigrants in the US found a significant prevalence of PTSD and depression, with rates highest among older, poorer, and unemployed individuals. The research suggests that these disorders may be linked to a single continuum of posttraumatic stress.

Resettling the 'Lost Boys of Sudan' in the United States

A recent US study by Boston University researchers found that family and community engagement are crucial in mediating the traumatic reaction of unaccompanied refugee minors, known as the 'Lost Boys of Sudan'. The study suggests that comprehensive approaches to resettlement efforts can help these young men thrive on all fronts.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Resettling the 'Lost Boys of Sudan' in the United States

A US study assessed the functional and behavioral health of unaccompanied Sudanese refugee minors one year after resettlement in foster care. The youths reported high levels of trauma and stress, with increased risk of PTSD associated with separation from family, group home living, and feelings of loneliness.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Babies show ripple effects of mothers stress from 9/11 trauma

Infants of mothers with posttraumatic stress syndrome disorder (PTSD) symptoms after 9/11 have significantly lower cortisol levels compared to those born to mothers without the condition. This effect is observed both in utero and after birth, suggesting a potential biological risk factor for PTSD.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Post-traumatic stress disorder common among refugees in western countries

Research suggests that post-traumatic stress disorder (PTSD) is a significant concern among refugee populations in western countries. Studies indicate that approximately 1 in 10 adults experience PTSD, while others may struggle with major depression and generalized anxiety disorders. The findings highlight the need for increased attent...

Rat brain's executive hub quells alarm center if stress is controllable

A study by University of Colorado researchers found that rats with controlled stress exhibit reduced brainstem activation and behaviors similar to depression and anxiety. The prefrontal cortex sends inhibitory signals to the brainstem when stress is controllable, quelling alarm center activity.

Levels of certain hormones may be increased by stress

Researchers found that acute stress increases levels of DHEA-S in healthy humans and the DHEA-S-cortisol ratio is associated with reduced dissociation symptoms. The study suggests that augmentation of DHEA-S levels before stress exposure may provide a protective effect against stress-induced symptoms.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Posttraumatic stress disorder linked with poor health

Women with PTSD experience more medical conditions and poorer physical health compared to those with depression or no history of mental health issues. The study found that PTSD affects 17% of women under 45, while depression rates are higher in older age groups.

Stress linked to increased risk of depressive and anxiety disorders

A study found that lifetime exposure to adversity is associated with an increased risk of developing depressive or anxiety disorders in young adults. The researchers analyzed data from 1,803 interviews and found that the level of adversity was a significant predictor of these disorders.