What Are The Most Extensive Regions Of The Brain?

What Are The Most Extensive Regions Of The Brain? Hypothalamus. … Amygdala. … Hippocampus. … Axon. … Neurotransmitters. … Association areas. The most extensive regions of the brain , which enable learning and memory. Action potential. A brief electrical charge that travels down the axon of a neuron. Dendrites. Receive incoming signals from other neurons.