These men both experienced severe traumatic brain injury, but were able to recover in unique ways.

These are the basic building blocks of the nervous system.

All humans need it, but teens need 7-9 solid hours.

These technological tools help researchers examine the brains of addicts.

In this type of brain, a person likes things to be logical and orderly.

You most advanced cognitive thinking happens in this region of the brain.

These are the "fingers" of the neuron.

Other than infancy, this is the stage of life where most neural development occurs.

This neurotransmitter is most responsible for making people happy.

This part of the nervous system includes the brain and the spinal cord.

This part of the brain controls voluntary movements and balance.

This is the fluid-filled gap between neurons.

Teens are at a much greater risk for this type of behavior.

Serious drug abuse can lead to the overproduction of this neurotransmitter.

This types of nerves carry information from your brain to their final destination.

This is the "sensory switchboard" of the brain.

This is the cell body of the neuron, and is responsible for keeping it healthy.

Skydiving is just one of the many types of these activities that teens like to engage in.

When an individual can no longer physiologically function with a certain drug/substance, they are experiencing this.

This part of the brain connects the two brain hemispheres, allowing them to communicate.

The primary purpose of this part of the brain is to control you emotional responses, like fear and anger.

This principle states that when a neuron fires it always fires with the same intensity.

This part of the brain is in a complex, chaotic state during adolescence.

The article "What Addicts Need" suggests that these are the 'ultimate weapons against addiction.'

Arousal and wakefulness are impossible without this part of the brain.