Catalyst 5 /12/14

Catalyst 5/12/14

Write down and answer the following question on your Catalyst sheet:

What is the main difference between barbiturates and benzodiazepines?

Caffeine5/12/14

How much do you know about caffeine?TRUE OR FALSE:1. Caffeine isn’t addictive2. Caffeine is not as dangerous as other drugs3. Caffeine is the most widely consumed

psychoactive drug in the world4. A can of Coke has more caffeine than a cup

of coffee5. Caffeine makes you pee more

Answers1. False2. True3. True4. False5. True

CaffeineStimulant

Temporarily increases physical and mental functions

Legal & found in a wide variety of products Soft drinks Coffee Tea Chocolate

Most popular drug on the planet! 120,000 tons consumed per year

Sources of CaffeineCoffee beansKola nuts (cola)Cocoa beans (chocolate)Guarana (energy drinks)

Effects of Caffeine Increased alertness Increased focus Improved physical performance Increased urinary output (you pee more)Anxiety (“the jitters”)

Caffeinism = caffeine addiction Nervousness, irritability, restlessness, headaches

How Caffeine WorksThere is a chemical called adenosine that is

made naturally in the bodyAdenosine suppresses brain & nerve activity

and blocks release of certain neurotransmittersCaffeine works by blocking adenosine

actionWhen caffeine blocks adenosine, there is more

release of neurotransmitters, leading to stimulating effects

Mini-Lab: Caffeine & MemoryWe just talked about how caffeine improves

brain activity and focus…Does it also improve memory?

Mini-Lab: Caffeine & MemoryThe class will be split into two groups: Group A

and Group BBoth groups will perform Memory Test 1 at the

same time Remember and write down as many numbers as

you can after looking at the numbers for 30 seconds

One group will drink soda that is caffeinated, the other group will drink soda without caffeine

Both groups will perform Memory Test 2 at the same time

Caffeine Video

Post-Lab Reflection QuestionsWhy was the name of the soda hidden from

you during the experiment?Was there a placebo effect? How do you

know? Placebo effect = effect that is observed even

without the actual drug

What would you do differently next time for better results?

10.6 Cocaine5/12/14

CocaineStimulant

Temporarily increases physical and mental functions

Increases alertness, feelings of well-being, energy, and activity

Increases anxiety, paranoia, and restlessnessComes from the coca plant

History of CocaineSouth American indigenous peoples have

chewed coca leaves for over a thousand yearsLate 1800s - Used as a painkiller medicine1980s - Crack cocaine sold by drug dealers and

became popular in Los Angeles, leading to the crack epidemic Crack cocaine is a cheaper, smokeable

form of cocaine

Coca-Cola ad(1902)

Drugs, Inc.: CocaineFollow along with the documentary and answer

the questions in your notes

Achieve3000 Time!Go to www.achieve3000.com on your iPadsGo to Mailbox, then click on “5/12/14

Assignment: Mind-Bending Technology”Do the following:

Before Reading Poll Article Activity After Reading Poll