Exam 2: The Biological Basis of Behavior

The complex molecule that forms the code for all genetic information is ________.

The term that refers to the full complement of an organism's genetic material is ________.

The hormone that activates the sympathetic nervous system causing the heart to beat faster, digestion to stop, the pupils of the eyes to enlarge, and more sugar to flow into the bloodstream is ________.

Neurons that carry messages from one neuron to another are called ________.

Describe the functions of the frontal lobe, temporal lobe, occipital lobe, and parietal lobe. Also, briefly discuss the case of Phineas Gage in terms of which areas of his brain were damaged and the effects of that damage.

Amy has suffered damage to Wernicke's area in her brain. She is most likely to exhibit ________ aphasia.

The central nervous system consists of ________.

The human genome contains about ________ genes.

A technique in which more than two dozen electrodes are placed at important locations on the scalp and they then record the brain's electrical activity in a way that is converted by a computer into colored images on a TV screen and used to detect abnormal cortical activity such as that occurring during an epileptic seizure is ________.

The entire area composed of the axon terminal of one neuron, the synaptic cleft, and the dendrite or cell body of the next neuron is called the ________.

George was in an automobile accident several years ago in which he suffered severe head injuries. Since the mishap, he has been unable to form new memories. He can remember everything he did before the accident but he cannot remember what he just said five minutes ago. The part of George's brain the was injured was probably the ________.

Oversecretion of insulin by the pancreas results in ________.

Each adrenal gland has ________ part(s).

The hormone that regulates the body's metabolic rate, affecting people's weight and energy levels, is ________.

The white, fatty covering that surrounds some axons is ________.

The short fibers that extend from the cell body, allowing it to receive messages from other neurons are ________.

Messages from separate senses are combined and integrated in the ________.

Incoming messages are combined into meaningful impressions in the ________ areas.

Rosenzweig's study found that when compared to rats raised in an impoverished environment, rats raised in an enriched environment had ________ neurons with ________ synaptic connections.

There are as many as 100 billion neurons in the brain of an average human being.