Summary: Researchers have discovered how stress disrupts memory specificity, leading to generalized aversive memories—a hallmark of PTSD. Stress increases endocannabinoid release, enlarging memory engrams in the brain, which triggers fearful…
Tag: PTSD
Astrocytes Play Role in Deciding the Fate of Memories
Summary: Researchers have uncovered a surprising role for astrocytes—cells surrounding neurons—in deciding which memories are kept or forgotten. By manipulating astrocytes in mice using optogenetics, scientists found that acidifying these…
Mother’s Role in Buffering Child PTSD
Summary: A mother’s ability to regulate her response to trauma can significantly lessen PTSD symptoms in her children, particularly in high-stress regions. The research observed 131 mothers and young children…
New Brain Stimulation Target Could Treat PTSD
Summary: A new study suggests that neurostimulation targeting specific brain circuits may help treat PTSD in veterans. Researchers found that veterans with damage to brain areas connected to the amygdala,…
Observing Trauma Boosts Resilience Through Serotonin
Summary: A new study reveals that observing others endure trauma can increase resilience and protect against depression. Researchers found that serotonin, released in the brain’s habenula, plays a key role…
Brain Control of Escape Behavior May Unlock Anxiety Treatments
Summary: Researchers discovered how the brain controls sensitivity to threats, influencing escape behavior in mice. The study found that inhibitory neurons in the periaqueductal gray (PAG) regulate both the initiation…
War’s Toll on the Brain: Widespread PTSD and Anxiety Among Ukrainians
Summary: A new study reveals severe mental health impacts among displaced Ukrainians due to the ongoing conflict with Russia. Surveying over 8,000 individuals, researchers found widespread PTSD, anxiety, and flashbacks,…
Unlocking Fear’s Roots in the Brain
Summary: Researchers provide new findings on how the brain’s response to stress can lead to generalized fear, a condition that can severely impact mental health and contribute to disorders like…
Daily Uplifts Boost Mood After Traumatic Loss
Summary: Researchers discovered that engaging in simple activities, termed “uplifts,” can significantly enhance emotional well-being following the traumatic loss of a loved one. Analyzing daily diary surveys from 440 adults…
Trauma’s Impact on Memory: Sharper Recall After Negative Events
Summary: A new study uncovers a unique aspect of human memory: our ability to recall events is sharper after experiencing negative emotions. The researchers conducted experiments with participants who viewed…
