Neurons

Sticking out your tongue while doing delicate work with your hands reveals a history of evolutionary relationships.

The reshuffling of neurons during fruit fly metamorphosis suggests that larval memories don’t persist in adults.

To buffer the brain against menaces in the blood, a dynamic, multi-tiered system of protection is built into the brain’s blood vessels.

Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills.

After decades of frustration, researchers have determined how an airborne scent molecule links to a human smell receptor.

“Liquid” neural nets, based on a worm’s nervous system, can transform their underlying algorithms on the fly, giving them unprecedented speed and adaptability.

The critical brain hypothesis suggests that neural networks do their best work when connections are not too weak or too strong.

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.

Momentum for new ideas in Alzheimer’s research joined advances in neuroscience, developmental biology and origin-of-life studies to make 2022 a memorable year of biological insights.