Articles tagged with Post Traumatic Stress Disorder
A team of researchers used imaging technology to study synapse dynamics in the brains of live mice, revealing that some new synapses formed during fear conditioning are eliminated over time. This finding supports the 'unlearning' hypothesis and could help scientists better understand brain activity in patients with PTSD.
A new study by University of Texas Health Science Center at San Antonio shows that treatment for combat-related PTSD can be both fast and effective, with clinically significant reductions in symptoms in over 60% of patients. Long-term remission was observed in more than 50% after three weeks of outpatient therapy.
Researchers found that remote fear memories are permanently stored in connections between memory neurons in the prefrontal cortex. The study suggests that a dysregulation of fear memory consolidation can lead to chronic maladaptive fear in PTSD, affecting about 6% of the population.
A large-scale study of mothers reveals those who experienced greatest pandemic-related change are more susceptible to traumatic stress symptoms. Mothers with higher incomes and education were found to be in the high-change group, while those with lower socioeconomic status reported fewer disruptions.
Researchers found that women experiencing prolonged mental health issues after childbirth had genetic evidence of higher immune system defense mechanism activation. The study also identified reduced antiviral immune response genes, which may offer protection from pathogens.
A new study reveals that children who survive firearm injuries are more likely to develop mental health diagnoses, particularly stress-related conditions and substance misuse issues. The research found that 35% of firearm-injured kids received a new mental health diagnosis in the year after the incident.
A Scripps Research team has identified a class of drugs that may break the link between post-traumatic stress disorder (PTSD) and alcohol use disorder (AUD). The findings show that these compounds, which target brain pathways shared by both disorders, can reduce alcohol preference and other behaviors associated with PTSD.
A multi-campus research team has created a novel device that can non-invasively measure cervical nerve activity in humans, with potential applications for personalized treatments of sepsis and mental health conditions like PTSD. The device features a flexible array of electrodes that capture electrical activity across different nerves.
Adolescents in war-torn regions experienced high war trauma and daily stress, with 60% witnessing armed attacks. The study found elevated rates of PTSD, anxiety, and depression compared to those living outside the conflict zone.
New research presents neurotechnology as a powerful tool for studying the brain and enabling targeted therapies for neurological disorders. Devices like nerve stimulators and brain implants can monitor or modulate neural activity, offering potential treatments for conditions such as paralysis and post-traumatic stress disorder (PTSD).
Researchers from Tokyo University of Science found that chronic social defeat stress (cSDS) induced mice showed higher intestinal transit ratio and visceral pain-related behaviors, similar to IBS. The study suggests that prolonged psychological stress can cause IBS-like symptoms in mice without intestinal lesions.
A study by Ural Federal University found that daytime naps and wakefulness both reinforce the formation of fear memories in response to emotional trauma. This research has significant implications for developing strategies for rehabilitating individuals with anxiety disorders.
Researchers developed NETfacts to address severe trauma in communities, combining individual treatment with collective process. The results show that both NET and NETfacts significantly reduced posttraumatic stress disorder and depression, as well as stigma and violence.
A new therapy combining Imagery Rehearsal Therapy with Targeted Memory Reactivation has been shown to significantly reduce nightmare frequency and increase positive dreams in patients. The treatment, which involves associating a major piano chord with positive scenarios, resulted in lasting benefits even three months after the experiment.
A study finds that functional seizures, a type of non-epileptic seizure, are associated with structural changes in the brain, including thinning in the superior temporal cortex and thickness in the left occipital cortex. These differences can be detected using MRI scans.
A new stem cell study provides insight into how neurons from individuals with post-traumatic stress disorder (PTSD) respond to stress hormones. The research found that these cells are hypersensitive to the stress hormone hydrocortisone, which could help explain why some people develop PTSD after trauma exposure.
A UK study has found that officers with strong support networks and a sense of meaningful work have lower rates of Complex Post-Traumatic Stress Disorder (C-PTSD), highlighting the need for improvements in police working lives.
Researchers found that personal experiences with COVID-19, such as contracting the virus or losing loved ones, were strong predictors of mental health symptoms. Exposure to pandemic-related media also played a significant role in psychological distress. The study suggests targeted interventions to prevent loss of life and curbing the s...
A new study found that dogs can differentiate between breath and sweat samples from people before and after a stress-inducing task with an accuracy of 93.75%. The researchers believe that dogs are able to detect changes in volatile organic compounds produced by humans in response to stress.
A new study found that medical cannabis users reported significant improvements in pain management, social functioning, and overall health. The majority of participants were able to stop or reduce their opioid use, with some experiencing a five-fold decrease in hydrocodone prescriptions.
A new study finds that post-traumatic stress disorder (PTSD) and externalizing psychiatric disorders, such as substance use disorders, are associated with a higher risk of premature death. The researchers discovered that a cellular marker called GrimAge, measured through DNA methylation patterns, is linked to adverse clinical outcomes ...
Researchers warn that pharmaceutical companies' pursuit of psychedelic treatments threatens Indigenous and counterculture traditions. Magic mushrooms have spiritual significance for many people, but corporations seeking patents and monopolies on these medicines are being criticized for their approach.
Researchers found that stressed mice exhibited decreased neuron excitability in the dorsal hippocampus, which may drive social avoidance, while resilient mice showed increased excitability. This difference was linked to changes in stress hormone receptors and HCN1 protein expression.
A study of 1,970 Flint residents found over one-fifth met criteria for depression and nearly one-quarter for posttraumatic stress disorder five years after the water crisis. Only 34.8% received mental health services, but most who did utilize them.
Researchers at Linköping University discovered a biological mechanism that increases the strength of fear memories stored in the brain. This finding provides new knowledge on the mechanisms behind anxiety-related disorders and identifies shared mechanisms with alcohol dependence.
Researchers used data from over 400,000 individuals to model genetic and environmental factors influencing common neuropsychiatric disorders. Gene-environment interactions accounted for a significant proportion of variability in some disorders, while others showed more substantial contributions.
A meta-analysis of 64 longitudinal studies found that mental health problems remained elevated globally during the pandemic, with North Americans suffering from increased anxiety and depression. In contrast, Latin America and Europe experienced higher rates of insomnia.
A study found that 47% of parents meeting criteria for post-traumatic stress disorder (PTSD) symptoms, compared to 12% of children with implantable cardioverter-defibrillators. The trauma triggered by a child's heart problems can affect the entire family.
Researchers found that certain hepatitis C medications, such as glecaprevir and pibrentasvir, improved PTSD symptoms in a national cohort of VA patients. The study suggests these medications could fill the gap in FDA-approved treatments for PTSD, offering new hope for US adults affected by this condition.
Researchers at Salk Institute discover a molecule called CGRP that enables neurons to bundle threatening sensory cues into a unified signal, conveying it to the amygdala. The study may lead to new therapies for fear-related disorders such as PTSD and autism.
A new study from the University of Missouri-Columbia found that American military veterans are less willing to seek treatment for sleep and alcohol use problems compared to physical health issues. Discrimination experiences also play a significant role in reducing treatment-seeking among veterans of color.
A study by Tel Aviv University researchers found a unique oral microbiotic signature in the saliva of veteran soldiers with PTSD, which may help diagnose post-traumatic stress disorder objectively. The study also showed that people with PTSD exhibit the same picture of bacteria in their saliva as those who have experienced combat stres...
New research reveals that only 1 in 5 Syrian children living in refugee camps exhibit resilience to mental health problems. The study found that factors such as the child's environment, caregiver interactions, and access to resources significantly impact their ability to recover from war trauma.
A new analysis of service dog-veteran pairs found that lower dog excitability and closer relationships between veterans and their dogs are associated with reduced PTSD symptoms. Better mental health outcomes were also linked to perceptions of easy care for the dog and more frequent interactions initiated by the veteran.
A study found that individuals with less hippocampus engagement are more likely to develop severe posttraumatic stress disorder (PTSD) symptoms. Those who exhibit greater defensive reactions to potentially threatening events also showed increased PTSD risk.
Research suggests that individuals with PTSD exhibit decreased activity in the hippocampus, leading to impaired threat reactivity and memory formation. This study reveals a significant interaction between hippocampal activity and physiological arousal in predicting PTSD symptoms.
Salk researchers identify neurotensin as a key molecule in the brain's valence assignment process, which associates good or bad feelings with memories. The discovery could lead to a better understanding of why some people retain more negative emotions than positive ones, and may pave the way for new therapeutic targets.
A new study found that volunteer healthcare workers who served in field hospitals during the COVID-19 pandemic experienced high levels of secondary traumatic stress, but those with higher compassion satisfaction showed milder symptoms. The researchers also found that avoidant emotional coping tactics significantly increased burnout and...
A study of 231 Vietnam Era veterans reveals that 71% describe at least one traumatic event, including combat exposure, adverse childhood experiences, and navigating a life-threatening illness. The findings underscore the importance of clinician-patient relationships and trauma-informed care in older adult healthcare.
A study by University of Toronto researchers found that childhood physical abuse is associated with chronic pain, diabetes, cancer, migraines, arthritis, and heart disease in later life. The trauma can influence both physical and mental health many decades after the event.
A recent study published in Brain Stimulation reveals that non-invasive vagus nerve stimulation increases reaction times to negative images and decreases reactions to positive images. The findings have implications for the development of treatments for PTSD and other mental health conditions.
The World Health Organization's International Classification of Diseases has introduced a new diagnosis for complex post-traumatic stress disorder (CPTSD), expanding the criteria for PTSD. CPTSD is characterized by excessive emotional responses, feelings of worthlessness, and difficulties in relationships.
Middle-age women with PTSD may be at risk for accelerated cognitive decline, suggesting earlier screening is warranted. The study of 12,000 women found a significant association between PTSD and accelerated cognitive decline.
A study led by Imperial College London researchers discovered that certain types of stress induce sleep in mice, which subsequently relieves anxiety. The findings suggest that a specific set of neurons detected and responded to stress hormone levels, inducing both NREM and REM sleep.
A new therapy called Cognitive Behavioral Therapy for Headache (CBTH) significantly reduced related disability in veterans following a traumatic brain injury. It also showed comparable reductions in co-occurring symptoms of post-traumatic stress disorder (PTSD), with low drop-out rates and ease of use for therapists.
Patients experiencing dissociative symptoms after trauma may be at high risk of developing severe post-traumatic stress, depression, anxiety, and social impairment. Early interventions are crucial for these individuals.
Researchers found that unpredictable parental behaviors disrupt optimal brain circuit formation in children, leading to increased vulnerability to mental illness and substance abuse. Studies using mice and human infants suggest that predictable signals and environments are crucial for healthy brain development.
A survey of 89 countries found that 62% of emergency medicine professionals experienced burnout syndrome, with 31.2% showing two symptoms. The pandemic has worsened understaffing and limited resources, leading to lower-quality care and medical errors.
A new study from Aarhus University and Aarhus University Hospital – Psychiatry has found that Danish patients with mental disorders experienced a worsening of symptoms in connection with the invasion of Ukraine. The study analyzed over 500,000 clinical notes from psychiatric hospitals in Denmark and identified a sharp increase in clini...
Two studies found that approximately one in eight doctors experienced high levels of moral distress, which increased the risk of anxiety, depression, and burnout. Healthcare organizations can reduce moral distress by providing opportunities for discussing ethical concerns and supporting staff well-being.
Researchers have discovered three unique brain subtypes indicating high, medium, and low susceptibility to chronic pain and trauma symptoms in veterans. The study provides an objective measurement of pain and trauma susceptibility and could lead to targeted and personalized treatments.
A machine-learning model developed by researchers at Massachusetts General Hospital predicts which US Army soldiers are at greatest risk of homelessness upon transitioning to civilian life. The study identifies lifetime depression, trauma, and PTSD as key predictors, allowing for targeted interventions to mitigate homelessness.
A new study published in Frontiers in Behavioral Neuroscience reveals that nine out of ten autistic women in France have suffered sexual violence, with most victims being assaulted multiple times at a young age. The findings highlight the need for improved prevention and care programs to address this vulnerable population.
A study of 330 family members found significant posttraumatic stress disorder (PTSD) symptoms three months after their loved ones' hospitalizations. Family members with higher PTSD symptom levels reported more distrust of healthcare providers.
Researchers at Tokyo University of Science identify brain regions and signaling pathways involved in fear extinction via delta receptor activation. The study suggests a potential therapeutic agent for post-traumatic stress disorders by suppressing fearful memories.
A study published in Brain reveals a dedicated neural circuit responsible for post-sepsis anxiety and depression. The researchers identified a potential pharmacological treatment by silencing the amygdala circuit during sepsis, reducing the risk of developing anxiety disorders.
Researchers found that NYX-783, a newly discovered drug, modulates NMDA receptor activity in neurons to suppress traumatic memories and spontaneous recovery of PTSD. The drug was effective in reducing fear responses and improving treatment outcomes, particularly in female mice.
A machine learning model has been trained to accurately identify individuals with post-traumatic stress disorder (PTSD) by analyzing text data. The model achieved an 80% accuracy rate in distinguishing between those with and without PTSD. This breakthrough could lead to the development of a cost-effective screening tool for health prof...
A new study by Harvard Medical School researchers found that people who survive firearm injuries face greater risks of mental health disorders, substance use disorders, and pain in the year following injury. The analysis showed significant increases in healthcare spending, with gunshot survivors averaging $2,495 more per month compared...
A new study from the University of Houston finds that firefighters with post-traumatic stress disorder (PTSD) are more likely to have relationship problems. The research, led by Donald A. Godfrey, discovered a link between PTSD symptom severity and difficulty regulating emotions in intimate relationships.