Presentation on theme: "Catalyst 5/12/14 Write down and answer the following question on your Catalyst sheet: What is the main difference between barbiturates and benzodiazepines?"— Presentation transcript:
Catalyst 5/12/14 Write down and answer the following question on your Catalyst sheet: What is the main difference between barbiturates and benzodiazepines?
How much do you know about caffeine? TRUE OR FALSE: 1. Caffeine isn’t addictive 2. Caffeine is not as dangerous as other drugs 3. Caffeine is the most widely consumed psychoactive drug in the world 4. A can of Coke has more caffeine than a cup of coffee 5. Caffeine makes you pee more
Caffeine Stimulant 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 Caffeine Coffee beans Kola nuts (cola) Cocoa beans (chocolate) Guarana (energy drinks)
How Caffeine Works There is a chemical called adenosine that is made naturally in the body Adenosine suppresses brain & nerve activity and blocks release of certain neurotransmitters Caffeine works by blocking adenosine action When caffeine blocks adenosine, there is more release of neurotransmitters, leading to stimulating effects
Mini-Lab: Caffeine & Memory We just talked about how caffeine improves brain activity and focus… Does it also improve memory?
Mini-Lab: Caffeine & Memory The class will be split into two groups: Group A and Group B Both 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
Post-Lab Reflection Questions Why 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?
Cocaine Stimulant Temporarily increases physical and mental functions Increases alertness, feelings of well-being, energy, and activity Increases anxiety, paranoia, and restlessness Comes from the coca plant
History of Cocaine South American indigenous peoples have chewed coca leaves for over a thousand years Late 1800s - Used as a painkiller medicine 1980s - 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
Drugs, Inc.: Cocaine Follow along with the documentary and answer the questions in your notes
Achieve3000 Time! Go to www.achieve3000.com on your iPadswww.achieve3000.com Go to Mailbox, then click on “5/12/14 Assignment: Mind-Bending Technology” Do the following: Before Reading Poll Article Activity After Reading Poll