Summary: Artificial intelligence is becoming a pivotal force in human lives, prompting questions about its evolutionary effects. A new study explores how AI may influence human evolution through everyday interactions,…
Category: brain research
Childhood Stress Disrupts Attention, Sleep, and Dopamine Balance in Adults
Summary: New research links childhood adversity with later attention deficits, sleep disruptions, and specific dopamine imbalances in the brain. Focusing on critical developmental windows, scientists found that disrupted care early…
Gut Bacteria Modulate Stress Responses Over Time
Summary: New research has unveiled how gut bacteria play a key role in regulating stress by interacting with circadian rhythms, opening possibilities for microbiome-based therapies for mental health. Researchers found…
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…
Amygdala Cells Linked to Anxiety
Summary: Researchers have identified specific cell types in the amygdala linked to anxiety, revealing potential new targets for treatment. By analyzing gene expression in human and macaque brains, scientists discovered…
Childhood Attention Problems and Genes Linked to Psychosis Risk
Summary: Childhood attention issues, coupled with genetic predispositions, increase the likelihood of experiencing psychotic-like symptoms in adolescence. By analyzing data from 10,000 youths, researchers discovered that variability in attention spans…
How Curiosity Styles Shape Wikipedia Use and Learning
Summary: A study of global Wikipedia browsing patterns reveals three curiosity styles: the focused “hunter,” the exploratory “busybody,” and the creative “dancer.” Data from 482,760 readers in 50 countries shows…
Depression Alters Brain Circuits, Heightening Negative Perception
Summary: Scientists have identified how depression alters the brain’s response to positive and negative stimuli, particularly in the amygdala, a key emotional processing center. The study found that depression reduces…
Brain Signals Reveal How Aggression and Arousal Are Encoded
Summary: New research has uncovered that brain signals for aggression in male mice and sexual arousal in female mice are encoded by similar neural mechanisms. The studies found that a…
Emotional Blindness Drives Empathy Deficits in Psychopathy
Summary: A new study links psychopathy with alexithymia, or emotional blindness, which may explain the emotional deficits seen in people with psychopathic traits. Individuals with strong psychopathic traits struggle to…