Exam 2: The Biological Basis of Behavior

The system which coordinates and integrates behavior by secreting chemicals into the bloodstream is called the ________ system.

The brain and spinal cord contain about ________ percent of the body's neurons.

Describe the functions of the spinal cord and explain how it works with the brain to sense events and act on them.

Briefly discuss the purposes of and describe the procedure for studying the brain within each of the following general areas: microelectrode techniques, macroelectrode techniques, structural imaging, functional imaging.

The mechanism proposed by Darwin in his theory of evolution stating that organisms best adapted to their environment tend to survive and transmit their genetic characteristics to their offspring, is called ________.

Neurons that carry messages from the sense organs to the spinal cord or the brain are called ________ neurons.

A group of axons bundled together is called a ________.

Broca's area is important in listening and Wernicke's area is important in talking.

From an evolutionary perspective, for mate selection in humans, it is most advantageous for ________.

An organism's entire unique genetic makeup is called its ________.

The hemisphere of the brain most dominant in verbal tasks is the right hemisphere.

The area of the frontal lobe that is crucial in our ability to talk is ________ area.

The spinal cord is made up of soft, jellylike bundles of long ________.

Adult brains are not capable of neurogenesis.

The function of the neuron's axon is to ________.

Masculine sex hormones are called ________.

Genes can directly cause human behavior.

The "all or none law" is the principle stating that ________.

The nervous system is usually divided into two major parts: the central nervous system and the parasympathetic nervous system.

The primary purpose of the myelin sheath is to ________.