Synaptic pruning is the process in which the brain removes neurons and synapses that it does not need. This usually takes place when a person is 2–10 years old. The brain contains millions of ...

A "molecular volume knob" regulating electrical signals in ... into chemical neurotransmitters that travel across these synaptic spaces. The amount of neurotransmitter released changes the numbers ...

Memory resides within a dense network of billions of neurons within the brain. We rely on synaptic plasticity—the strengthening and modulation of connections between these neurons—to ...