The bundle of fibers connecting the two hemispheres of the brain.

An insulating layer which forms around the axons of nerve cells.

A disorder caused by an extra copy of all or part of the 21st chromosome.

Those with epilepsy may have this area surgically severed to reduce contact between the two hemispheres of the brain.

One of the two kinds of memory, the other being declarative.

One of the two primary glands present in the neuro-endocrine system, the other being the pineal.

A rapid change in a neuron's membrane potential which travels the length of the axon.

A neurodegenerative disease which causes loss of nerve cells in the forebrain and deficits in neurotransmitters.

Acetylcholinergic drugs, often used to treat dementia, increase the quantity of what neurotransmitter?

This group of nuclei regulate the body's circadian rhythms.

An X shaped space where left and right optic nerves intersect.

The name for the space between an axon terminal and a dendrite.

A disease caused by damage to the substantia nigra and characterized by uncontrollable tremors in the hands and difficulty walking.

A neuroprosthetic device which improves hearing through the use of electrodes.

This is a protein which after being deposited in the brain leads to plaques, neurofibrillary tangles, cell death, and dementia.

How many cranial nerves do humans have?

One of the two kinds of receptors present on the post-synaptic membrane, the other being metabotropic receptors.

A condition which leads to the inflammation of the fluids and membranes surrounding the brain and spinal chord.

A surgical procedure which removes a portion of a herniated spinal disk.

A long term increase in synaptic strength, commonly associated with the concept of neuroplasticity.

A pair of small rounded bodies on the ventral surface of the brain which are part of the limbic system.

The brain's most common inhibitory neurotransmitter.

A progressive immune disease which causes damage to myelin sheaths.

A drug used to block antibodies from binding to receptors on myelin sheaths; commonly used to treat Guillain-Barré syndrome.

The slowest kind of brain wave with frequencies between 1-3 Hz, often exhibited following brain trauma.