To better model how neurons fire and interact with glia, some scientists place the cells into a brain or grow them in an organoid. Others have produced little spheres of human neural tissue by ...

Major depressive disorder affects hundreds of millions worldwide, but a key to understanding its origins may lie in the brain’s immune system. New findings spotlight astrocytes—previously overshadowed ...

Alzheimer's disease (AD) is a highly debilitating neurodegenerative disease characterized by the progressive loss of memory and decline of mental functions. Earlier research has uncovered some of the ...

Move over, amyloid, reactive astrocytes and activated microglia may be the main drivers of the Alzheimer’s disease pathological cascade. In the November 6 Nature Neuroscience, scientists led by Pedro ...

The human brain contains about 86 billion neurons. These cells fire electrical signals that help the brain store memories and send information and commands throughout the brain and the nervous system.