Exam 2: Neuroscience and Behavior Concepts

Behavioral genetics studies the effects of __________ on behavior.

Each kind of neurotransmitter is exactly the same as the others.

The cortex has three major sections called lobes.

Neurotransmitters are either deactivated by enzymes or reabsorbed by the terminal button,in an example of chemical recycling called _____________.

If someone has a deficiency or an excess of a ______________,it can produce severe behavior disorders.

One of the most common neurotransmitters is __________,which is found throughout the nervous system and is involved in our every move.

The average brain weighs ________ pound(s).

Excitatory messages make it more likely that a receiving neuron will fire and an action potential will travel down its axon.

Dendrites receive messages from other _____________.

______________ are chemicals that carry messages across the synapse to a dendrite of a receiving neuron.

Explain the functions of the sympathetic division and the parasympathetic division of the autonomic nervous system.

The central core is sometimes referred to as the "old brain" because its evolution can be traced back some 500 million years to primitive structures found in nonhuman species.

A _________ is an automatic,involuntary response to an incoming stimulus.

Describe the two divisions of the peripheral nervous system (PNS).

Inhibitory messages provide chemical information that prevents or decreases the likelihood that the receiving neuron will fire.

The brain is divided into two equal _____________ that control motion and receive sensation from the side of the body opposite their location.

If you touch a hot stove and you remove your hand right away,you are employing a(n)________.

The basic elements of the nervous system are known as ____________.

A resting state has a negative charge of about 200 millivolts.

The _____ is found just above the medulla and behind the pons.