Researchers have identified 254 genetic variants that influence critical structures in the “deep brain,” such as those that regulate memory, motor skills, and addictive behaviors, in one of the most extensive ever studies of DNA and brain volume. The study1 is powered by the Enhancing Neuro Imaging Genetics through Meta-Analysis (ENIGMA) consortium, an international effort…
Author: D.C.Demetre
Childhood Attentional Variability May Predict Psychosis Risk
Your risk of developing psychotic-like experiences may be influenced by both childhood attention problems and genetic makeup, researchers at UCLA have found. The findings1 build upon a long-studied association between childhood attention problems and the likelihood of later developing schizophrenia. UCLA researchers led by Dr. Carrie Bearden used data from around 10,000 children over a…
Amygdala Neural Dysfunction May Underpin Depressive Negativity Bias
Between 15 and 20% of people experience a depressive episode – “a state of deep, lasting distress” – at some point in their lives. But 30% of patients with depression are resistant to conventional medical treatment with antidepressants. Depression is characterized by, among other things, a tendency to perceive sensory stimuli and everyday situations in…
In-utero Gene Editing Tool for Neurodevelopmental Conditions
A recent study1 from the University of California, Davis, demonstrates that a biomedical tool can successfully transfer genetic material to alter defective genes in developing fetal brain cells. The device, which has been tested in animals, may be able to halt the growth of genetically based neurodevelopmental diseases, including Angelman syndrome and Rett syndrome, before…
Vicarious Traumatization: Understanding Secondary Stress
Vicarious traumatization refers to the transformation in a helper’s inner experience resulting from empathetic engagement with trauma survivors. It differs from burnout or compassion fatigue by specifically altering one’s cognitive schemas and belief systems. Irene Lisa McCann and Laurie Anne Pearlman coined the phrase vicarious trauma (VT). The phenomenon is also known as secondary traumatic stress,…
Attention Deficit Hyperactivity Disorder and Dyslexia Share Genetic Links
Scientists have clarified the genetic basis of dyslexia by demonstrating how it interacts with that of attention deficit hyperactivity disorder (ADHD). Under the direction of the University of Edinburgh researchers, this study1 is the first to investigate the genetic links to dyslexia — thought to affect 10 percent of the population — in the framework…
What is Ganser Syndrome
Ganser syndrome is a rare dissociative disorder characterized by a set of distinctive psychological symptoms. It typically manifests as giving nonsensical or incorrect answers to simple questions, a behavior known as “nonsense syndrome” or the “syndrome of approximate answers.” Patients with Ganser syndrome often display confusion, memory loss, and impaired consciousness. They may appear to…
Choking Under Pressure May Come From Neural Signals
Every professional who performs at a high level understands the importance of remaining relaxed throughout stressful tasks. Choking under pressure, or failing to perform to one’s fullest potential when it counts the most, can happen to anyone. Although athletes are frequently connected with this phenomenon, people choke under pressure in a variety of situations, including…
Flicker-induced Hallucinations – Standing Waves That Alter Perception
Based on fresh research from the Netherlands Institute for Neuroscience1, flickering light generates “standing waves” of brain activity that lead to hallucinations in our brain. Picture yourself sitting on the bus or train and closing your eyes. Sunlight flickering through the trees suddenly fills your mind with kaleidoscopic hallucinatory patterns. Brion Gysin, co-inventor of the…