Psychedelics appear to reshape how the brain builds reality by dampening incoming visual signals and boosting internal memory networks.

Psychedelics can quiet the brain’s visual input system, pushing it to replace missing details with vivid fragments from ...

Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte, and for a long time, scientists thought its job was caretaking the brain, ...