Question 1

Define neurogenesis and explain why this process turned conventional wisdom regarding the brain "upside down."

Accepted Answer

The answer of Define neurogenesis and explain why this process...

Question 2

As she entered a health food store,Gail noticed a sign recommending an herbal remedy called,"Saint- John's-wort" for the treatment of depression.Explain how this remedy affects the biochemistry of the nervous system.

Accepted Answer

The answer of As she entered a health food store,Gail...

Question 3

Why do the authors state that "Listening to the brain with an EEG machine is like standing outside a sports stadium: You know when something is happening but you can't be sure what it is or who is doing it."

Accepted Answer

The answer of Why do the authors state that "Listening...

Question 4

Explain what happens when a neurotransmitter molecule diffuses across the synaptic cleft and binds with a receptor site.

Accepted Answer

The answer of Explain what happens when a neurotransmitter molecule...

Question 5

Why is the parasympathetic nervous system compared to the brake of a car?

Accepted Answer

The answer of Why is the parasympathetic nervous system compared...

Question 6

List the three main parts of the neuron and explain the role each plays in the transmission of neural communication.

Accepted Answer

The answer of List the three main parts of the...

Question 7

Explain the role of the nervous system when you immediately pull your hand away from something hot.

Accepted Answer

The answer of Explain the role of the nervous system...

Question 8

When a neurotransmitter binds briefly with a receptor site,the ultimate effect is either excitatory or inhibitory.Explain the effects of each.

Accepted Answer

The answer of When a neurotransmitter binds briefly with a...

Question 9

Name two hormones that are of particular interest to psychologists and explain some of the tasks that these hormones perform.

Accepted Answer

The answer of Name two hormones that are of particular...

Question 10

Researchers are now studying the possible involvement of sex hormones in behavior not directly related to sex and reproduction.Cite one example of this research.

Accepted Answer

The answer of Researchers are now studying the possible involvement...

Question 11

Imagine that you have shrunk to microscopic size and that you are traveling through the brain.As you stand on top of the brain stem and look toward the back part of the brain,you see a structure about the size of a small fist that looks like a "little brain." What structure of the brain have you encountered? What function is associated with this "lesser brain"?

Accepted Answer

The answer of Imagine that you have shrunk to microscopic...

Question 12

Name four of the neurotransmitters discussed in our textbook and explain what aspects of behavior,memory,and well-being each influences.

Accepted Answer

The answer of Name four of the neurotransmitters discussed in...

Question 13

How does an MRI (magnetic resonance imaging)allow the exploration of "inner space" without the injection of chemicals?

Accepted Answer

The answer of How does an MRI (magnetic resonance imaging)allow...

Question 14

Imagine that you have shrunk to microscopic size and that you are traveling through the brain starting at its lowest point,just above the spine.What are the three structures of the brain stem that you encounter? What function is associated with each structure?

Accepted Answer

The answer of Imagine that you have shrunk to microscopic...

Question 15

List five different functions of glial cells.

Accepted Answer

The answer of List five different functions of glial cells....

Question 16

Neurons are often called the "building blocks of the nervous system." Explain why the authors state that neurons are more like snowflakes in structure than they are like building blocks.

Accepted Answer

The answer of Neurons are often called the "building blocks...

Question 17

People with brain damage sometimes experience amazing recoveries.What term describes this flexibility within the nervous system? Cite two examples that illustrate this amazing flexibility.

Accepted Answer

The answer of People with brain damage sometimes experience amazing...

Question 18

Why is the sympathetic nervous system compared to the accelerator of a car?

Accepted Answer

The answer of Why is the sympathetic nervous system compared...

Question 19

A soldier realizes that his best friend has been seriously injured in battle and so he carries the wounded man to safety.As he reaches the medics,they begin treatment of both men.How could the soldier have carried his friend to safety without noticing the pain from his own wound?

Accepted Answer

The answer of A soldier realizes that his best friend...

Question 20

Name one drawback to the transcranial magnetic stimulation method.

Accepted Answer

The answer of Name one drawback to the transcranial magnetic...

Quiz 4: Exstintion: The Brain: Source of Mind and Self