The microscopic space between an axon terminal and another neuron, over which neurotransmitters pass
Synapse
A branch of the autonomic system responsible for arousing and activating the body at times of stress
Sympathetic branch
Use of an electrode to destroy small areas deep within the brain
Deep lesioning
A bundle of neuron fibers
Nerve
The electrical charge that exists between the inside and outside of a neuron at rest
Resting potential
All brain structures below the cerebral cortex
Subcortex
The part of the parietal lobes that serves as a receiving area for bodily sensations
Somatosensory area
A hormone produced by the pineal gland in response to cycles of light and dark
Melatonin
The layer of tissue that forms the outer layer and surface of the cerebrum; responsible for basic sensory and motor functions as well as higher mental processes in humans
Cerebral cortex
The system of nerves linking the spinal cord with the body and sense organs
