The Brain and the Actions of Cocaine, Opiates. and Marijuana.

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Transcript The Brain and the Actions of Cocaine, Opiates. and Marijuana.

Unit Seven – Nervous System
SC235
Image Credit: Ireland, K. Visualizing Science.
2011. Wiley & Sons.
Agenda
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Overview of the Brain
Drug Addiction
Effects of drug addiction on brain function and
chemistry.
Neurological risks associated with drug use.
How addiction gets hard-wired into the brain.
How drug addiction can spin off into other health
crises.
Treatments and/or cures for drug addiction and
their drawbacks.
What is the brain?
Photo courtesy of the NIDA Web site. From A Slide Teaching Packet: The Brain and the Actions of Cocaine,
Opiate , and Marijuana.
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Image Credit: Ireland, K. Visualizing
Science. 2011. Wiley & Sons.
What is the brain made up of?
Illustration used with permission, courtesy of Lydia V. Kibiuk and the Society for Neuroscience.
Why is the brain the body’s Command Center?
Photo courtesy of the NIDA Web site. From A Slide Teaching Packet: The Brain and the Actions of
Cocaine, Opiates. and Marijuana.
How does one become addicted?
“NIDA’s mission is to bring the
power of science to bear
on drug abuse and addiction.”
Photo courtesy of NIDA
What are the results of addiction?
Photo courtesy of the NIDA Web site. From A Slide Teaching Packet: The Brain and the Actions of
cocaine, Opiates, and Marijuana.
Positron Emission Tomography (PET)
Photo courtesy of the NIDA Web site. From A Slide Teaching Packet: The Brain and the Actions of cocaine,
Opiates, and Marijuana.
What happens to your brain after consumption of
cocaine?
1-2 Min
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5-6
7-8
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10-20
20-30
Photo courtesy of Nora Volkow, Ph.D. Mapping cocaine binding sites in human and baboon brain in vivo. Fowler JS, Volkow ND,
Wolf AP, Dewey SL, Schlyer DJ, Macgregor RIR, Hitzemann R, Logan J, Bendreim B, Gatley ST. et al. Synapse 1989;4(4):371377.
What are some of the long-term effects of
substance abuse?
Photo courtesy of the NIDA Web site. From A Slide Teaching Packet: The Brain and the Actions of cocaine, Opiates, and
Marijuana.
What are some of the treatments for Drug
Addiction?
Image Credit: Microsoft Clip Art
Can drug addiction be cured?
Front of Brain
Amygdala
not lit up
Amygdala
activated
Back of Brain
Cocaine Video
Photo courtesy of Anna Rose Childress, Ph.D.
Nature Video
Visit NIDA’s Web Site at:
http://drugabuse.gov
Photo courtesy of NIDA
Unit Seven Review
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Read Chapter 7
Complete Discussion Board – The Brain Bank
Complete Self-Assessment
Complete Lab – Mapping the Nervous System
 Complete
Tables and Answer Questions
Week Eight Preview
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Reading – Chapters 18 & 19
Discussion - Understanding Birth Control
Seminar - Obtaining information about your fetus
Project: Survey of Simple Human Genetic Traits –
Use Worksheet on DocSharing
Self Assessment for Unit 8
Image credits: Microsoft Clip Art