Whenever a person learns something new or is affected by their experiences it’s because synapses, the connections between neurons in the brain, have changed. Sometimes new synapses are made, and other times the strengths of existing synapses are turned up or down. When synapses are strengthened, the signal from one neuron to the next results in a bigger response than it used to, and vice … Continue reading Study shows how astrocytes help control synapse strength and plasticity.