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PTSD can undermine healthy couple communication when people fear their emotions

A new study found that people with PTSD symptoms experience greater fear of their emotions, which is associated with less constructive communication and more unproductive communication in romantic relationships. This fear can lead to a vicious cycle where behavior triggered by PTSD symptoms strain relationships, maintaining PTSD symptoms.

How does the brain respond to positive and negative stimuli?

Researchers discovered that D1 and D2 neurons in the brain work together to process appetitive and aversive stimuli, with D2 neurons playing a key role in extinguishing negative associations. This understanding can help develop new treatments for anxiety and post-traumatic stress.

High levels of traumatic stress found in caregivers of adult cancer patients

A comprehensive review of studies reveals that over 15% of caregivers of adult cancer patients suffer from post-traumatic stress disorder (PTSD). Caregivers with pre-existing mental health conditions and high caregiver burden are at greater risk. The study highlights the urgent need for proactive screening and support to prevent long-t...

Virginia Tech study finds unique brain changes linked to witnessing trauma

Researchers have identified distinct protein degradation patterns in key brain regions for individuals who witnessed trauma, differing from those who experienced it firsthand. Sex-specific differences also emerge, with implications for targeted treatments and a better understanding of PTSD development.

Meta Quest 3 512GB

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

New research indicates effects of PTSD on body vary by culture

A new study from Arizona State University sheds light on the relationship between hormones cortisol and testosterone and PTSD in a non-industrialized society. Researchers found that men with PTSD had lower testosterone levels when waking up compared to those without PTSD, but similar cortisol patterns.

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.

Scientists discover brain mechanism that helps overcome fear

Researchers mapped the precise brain mechanisms that enable animals to overcome instinctive fears, revealing two key components in this learning process. The study found that a brain structure called the ventrolateral geniculate nucleus (vLGN) stores learning-induced memories and is triggered by the release of endocannabinoids.

Apple iPhone 17 Pro

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

Novel neuronal mechanism for stress induced alteration in behavior

Studies using a rodent model found sustained increase in neural activity in the paraventricular thalamus (PVT) after exposure to a strongly stressful event. This persistent activity is linked to altered behavior, including restlessness and disturbed sleep patterns. The findings suggest a new therapeutic target for stress-related issues.

Duration in immigration detention and health harms

A cross-sectional study found that detained immigrants experience high rates of poor health, mental illness, and posttraumatic stress disorder (PTSD). Longer detention periods are associated with higher health harms, emphasizing the need for improved immigration detention conditions.

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.

Waking up is not stressful, study finds

Researchers at the University of Bristol found no increase in cortisol release after waking, contrary to long-held assumptions. The study's findings suggest that daily cortisol rhythms may play a more significant role in regulating stress responses.

App helps alleviate mental health symptoms in bereaved parents

A new study from Uppsala University shows that an app can help parents who are mourning the loss of a child, reducing symptoms of prolonged grief and post-traumatic stress. The app provides four components: learning about grief, finding support, practical exercises, and a 'grief meter' to track feelings.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Neuroscientists discover how the brain slows anxious breathing

Researchers at the Salk Institute identified a specific brain circuit responsible for slowing anxious breathing, connecting the frontal cortex to the brainstem. This discovery may offer a scientific explanation for the beneficial effects of practices like yoga and mindfulness on alleviating negative emotions and could lead to the devel...

How stress is fundamentally changing our memories

Researchers at SickKids have discovered that stress changes how our brain encodes and retrieves aversive memories, leading to generalized fearful responses. A promising intervention has been identified to limit this effect and potentially reduce the harm caused by PTSD.

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.

Stress makes mice’s memories less specific

Researchers found that acute stress prevents mice from forming specific memories, instead forming generalized memories encoded by larger numbers of neurons. Stress disrupts engram ensembles in the lateral amygdala, leading to a loss of memory specificity.

New study examines the impact of peer support on women veterans

A new study by Boston University researchers found that women veterans who participated in a peer support program experienced improved mental health outcomes, including reduced PTSD and depression. The program also boosted their sense of belonging and quality of life.

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.

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.

Healing, spiritual purposes drive many veterans’ use of psychedelics

A recent study found that 85% of veterans who used psychedelics reported benefiting from the experience, with many seeking mental health care or returning to VA services. The survey also identified factors that lower the likelihood of negative outcomes, such as being older and using psilocybin.

The role of mothers during exposure to a traumatic event

Research found that mothers' ability to mediate threatening situations and regulate their emotions can significantly reduce the link between maternal PTSD symptoms and child PTSD symptoms. Mothers with high self-regulation skills may be better able to separate their stress response from that of their children, providing them with a sen...

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.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

How emotion boosts memory for context

Researchers found that emotion enhances ability to retrieve contextual details, contrary to prevailing view that emotion impairs memory. The study's findings have practical implications for controlling and capitalizing on emotions to remember better.

Social media posts may provide early warning of PTSD problems

Scientists analyzed millions of tweets to detect early warning signs of PTSD in COVID-19 survivors, achieving an accuracy rate of 83.29%. The study highlights the potential for machine learning techniques to identify individuals at risk of PTSD through social media data.

PTSD symptoms can be reduced through treatment including a video game

A new study led by Uppsala University researchers found that a single treatment session playing the video game Tetris can reduce PTSD symptoms. After five weeks and six months, participants showed significant improvements in reducing intrusive memories and alleviating other symptoms.

Celestron NexStar 8SE Computerized Telescope

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

Norwegian Afghanistan veterans more prone to anger

A recent survey found that Norwegian Afghanistan veterans are struggling with mental health issues, including PTSD and problematic anger. Anger problems among veterans have received little attention internationally, but the study highlights the need for a holistic approach to treating these issues.

Exploring the possible link between PTSD and early menopause

A new study finds that women with probable PTSD have almost two-fold odds of early menopause and related health consequences. Researchers analyzed data from over 2,000 Gulf War female military personnel and found a significant association between PTSD and early menopause.

Psychedelics show promise for treating PTSD by suppressing learned fear responses

A new study suggests that psychedelics like psilocybin can suppress learned fear responses in individuals with PTSD by altering activity in the amygdala, a key brain region involved in processing fear and anxiety. The findings propose that psychedelic drugs enhance inhibitory signaling from GABAergic interneurons onto excitatory neurons.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Veterans transitioning to civilian life deserve better support

A recent study reviewed current research and methods used to support Australian military veterans' psychological, physical, and social well-being, highlighting the need for holistic and tailored programs. The researchers emphasize the importance of addressing social, organizational, and environmental factors alongside mental health con...

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.

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.

Impact of neighborhood resources on resilience after trauma

A recent study found that individuals with high individual resources and exposure to more greenspace were more likely to experience low or no PTSD symptoms over time. Greenspace was also associated with greater neural reactivity in the amygdala, a region involved in detecting rewarding cues.

Stroke recovery: It’s in the genes

Researchers found specific gene variants associated with behavioral health outcomes after a stroke. The study suggests that genetic differences may predict stroke recovery trajectory, enabling personalized medicine approaches for individualized treatment.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.