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The Cause of Depression Is Probably Not What You Think
Depression has often been blamed on low levels of serotonin in the brain. That answer is insufficient, but alternatives are coming into view and changing our understanding of the disease.
What Causes Alzheimer’s? Scientists Are Rethinking the Answer.
After decades in the shadow of the reigning model for Alzheimer’s disease, alternative explanations are finally getting the attention they deserve.
Lab-Grown Human Cells Form Working Circuits in Rat Brains
Letting human brain organoids grow in animal brains could be an ethical new option for experimental studies of neurological disorders.
A Good Memory or a Bad One? One Brain Molecule Decides.
When the brain encodes memories as positive or negative, one molecule determines which way they will go.
Neuronal Scaffolding Plays Unexpected Role in Pain
Perineuronal nets, rigid structures that hold certain neurons in place, affect a surprising amount of brain activity, including some associated with chronic pain.
The Brain Has a ‘Low-Power Mode’ That Blunts Our Senses
Neuroscientists uncovered an energy-saving mode in vision-system neurons that works at the cost of being able to see fine-grained details.