Exam 2: The Brain and Behavior

_____ is a layer of fat cells that insulates most axons and speeds up the transmission of nerve impulses.

Neuroscientists who surgically remove,destroy,or eliminate the brain tissue of laboratory animals are using which of the following techniques for studying the brain?

Which of the following play(s)an important role in insulin production,metabolism,and body weight?

According to the all-or-nothing principle,_____.

Stern Tyler,a neuroscientist who is collecting data for a new research study,uses techniques for monitoring the amount of glucose in various areas of the brain.Which of the following methods is Stern Tyler using in this study?

Large neuron clusters located above the thalamus and under the cerebral cortex,that work with the cerebellum and the cerebral cortex to control and coordinate voluntary movements are called _____.

Explain how the right and left hemispheres of the brain are specialized for different functions.

Plasticity best reflects which of the following characteristics of the nervous system?

_____ stress is the momentary stress that occurs in response to life experiences.

_____ inhibits the firing of neurons in the central nervous system,but it excites the heart muscle,intestines,and urogenital tract.

_____ are unique primitive cells that have the capacity to develop into most types of human cells.

Which of the following refer to tiny spaces between the neurons?

The brief wave of positive electrical charge that sweeps down the axon is _____.

The somatosensory cortex processes information about _____.

In the human cell,threadlike structures that come in 23 pairs,one member of each pair originating from each parent,and that contain DNA are called _____.

Briefly describe the peripheral nervous system and its four divisions.What is the function of each? Give examples of situations that would activate each division and how they would do so.

Katy was in a car accident and sustained serious brain damage.Since the accident Katy can speak only one word.This is an example of _____.

You are listening to a lecture.Then the bell rings in the hallway.In order to hear this stimulus,_____ neurons must carry electrochemical messages from your ears to your brain.

Which of the following indicates elevated levels of endorphins?

Clumps of cells in the _____ determine alertness and regulate basic survival functions such as breathing,heartbeat,and blood pressure.