1. Why are most therapeutic drugs unable to cross the blood brain barrier?

1. Why are most therapeutic drugs unable to cross the blood brain barrier? What strategies are being used to make penetration of the blood brain barrier possible?

What determines the speed at which a drug crosses the blood brain barrier? Is this related to a drug’s potency or affinity or addictive properties? Choose any (one) psychoactive drug (e.g., LSD, magic mushrooms, Marijuana, cocaine, heroin, etc.) and describe it’s mechanism of action in the brain. According to the information you now have learned about how drugs effect the brain, is drug addiction a choice or a disease?

Elaborate on this topic in your discussion.

2. Some people believe that “all you are” is determined by the types and amount of neurotransmitters that ooze through your synaptic gaps and the electrical current in your brain.

Do you think that all of your thoughts, hopes, dreams and aspirations are results of physiological processes; your love, hate, anger and memories are only at the synaptic level? Why or why not?

How is the ability to form new ways of thinking (i.e., new neural networks) useful to us as human beings?

What are some functions that this ability might allow us to perform

3. Let look at how to solve a problem. Lets use Each of the chapters so explore how it connects to the ability to solve a problem.

Here is one from Class about sound

This one is Wild about New Computers .

What about this one about Invention