Psychology Test #2

The longest part of the Motor Neuron. This extension passes messages through its branches to other neurons or to muscles or glands.

the neuron's bushy branching extensions that receive messages and conduct impulses toward the cell body.

the junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron. Also known as the synaptic gag or synaptic clef.

chemical messengers that cross the synaptic gaps between neurons.

the body's speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems.

consists of the brain and spinal cord.

The two divisions of the peripheral nervous system.

the body's slow chemical communication system; a set of glands that secrete hormones into the bloodstream.

the endocrine's system most influential gland, (Pituitary gland). Under the influence of the Hypothalamus, the pituitary gland regulates growth and controls other endocrine glands.

an amplified recording of the waves of electrical activity sweeping across the brain's surface. These waves are measured by electrodes placed on the scalp.

technique for revealing blood flow and therefore brain activity by comparing successive scans. Shows brain function as well as structure.

neural center located in the Limbic System; it plays an essential role in processing new memories.

known as the "little brain" it is located at the rear of the brainstem; it functions include processing sensory input, coordinating movement output and balance, and enabling nonverbal learning and memory.

portion of the cerebral cortex laying roughly above the ears; which include the auditory areas where sound is first processed, each receiving information primarily from the opposite ear.

area at the rear of the Frontal Lobes that controls voluntary movement.

was discovered that Frontal lobe damage can alter personality and remove a person's inhibitions.

the ability to change especially during childhood, by reorganizing after damage or by building new pathways based on experience. This is most clearly demonstrated in children who have had a cerebral hemisphere removed.

large band of fibers connecting the two brain hemispheres. It transmits information between the cerebral hemispheres.

Neurosurgeons have severed the corpus callosum in human patients in order to reduce Epileptic Seizures.condition that isolates the two brain hemispheres.

the process of forming new neurons in the brain.