Neuroscience

Study explains how light could activate neurons

Human brains have an average of 86 billion neurons. These nerve cells are interconnected at junctions known as synapses, and some neurons have as many as 10,000 such synapses. A key to understanding brain function is to have ...

Medical research

Some neurons target tiny cerebral blood vessel dilation

Neurons control blood flow in tiny vessels in the brain, but researchers know little about this relationship. Now a team of Penn State engineers has found a connection between nitric oxide expressing neurons and changes in ...

Neuroscience

Brain estrogen is key to brain protection when oxygen is low

When the brain isn't getting enough oxygen, estrogen produced by neurons in both males and females hyperactivates another brain cell type called astrocytes to step up their usual support and protect brain function.

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