The Parent’s Nervous System Matters Too
Researchers recorded heart-rate variability in 129 mothers and their preschoolers at the same moment, during a deliberately difficult task, a year apart. What changed between three and four is the interesting part.
Is Your Brain Predicting the World—or Actually Seeing It?
Lift a box you expect to be heavy and find it empty, and your arm flies up. That small, familiar moment is a prediction error — and it is the clearest everyday evidence that perception is not simply reception.
Why Concussion Symptoms Can Outlast the Original Injury
The injury was weeks ago and the scans were normal, but the headaches and the fog have not gone. Up to 30% of people with a mild traumatic brain injury are in that position.
What Does Fibromyalgia Have to Do With the Brain?
The scans come back clear and the pain is still there. There is a name for that mismatch, and explaining it is the reason the concept exists.
Autism and Sensory Overload: When the Brain Receives Too Much Information
The familiar description is that autistic people are oversensitive to sensory input. Two 2026 syntheses find something more specific — and find that the lab measures and the questionnaires often disagree.
Sleep After Trauma: Could Certain Brain Waves Be Protective?
Twenty-two people watched a distressing film before bed, twice, while researchers recorded their brains overnight. What happened during sleep predicted how often the images came back.
The September Sleep Problem: Why Changing Schedules Affect the Whole Family
The clock that matters is not the one on the wall. Adolescence shifts the biological one later while the school day stays put, and the gap between them has a name and a measured size.
What Happens to the Brain When We Feel Safe?
Almost all the research is about threat. Reverse the question and something less obvious appears: safety is not the absence of danger, it is a separate thing the brain has to learn.
Depression and the Brain’s Reward System: When Life Stops Feeling Rewarding
The standard summary is that depression blunts the reward system. A meta-analysis of 41 studies covering nearly 1,600 people argues that this is not what the data show.
The Child Who “Doesn’t Listen”: Attention Problem, Overload—or Something Else?
“Go upstairs, put your reading book in your bag, and bring me your water bottle.” Nothing happens. Before concluding that nobody listened, it is worth counting what that sentence actually asked for.