marijuana - san mateo county health
TRANSCRIPT
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Marijuana
Its Impact on the Adolescent
Brain
For Practitioners
July 25, 2017
Ralph Cantor [email protected]
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Why are we talking about weed?
It is entrenched in teenage culture
People know little about it and as a result
the attitude of teens is that it is harmless
Marijuana interferes with learning and
development during the adolescent years
The sharp increase in the potency and
changes in the methods of deliver
Adults need to get into the conversation
with youth as we did with sex education
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How do we reach them?
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How do we reach teens?
Being authentic – believe what you are
saying
Being nonjudgmental – not teaching
through our judgments
Listening – the power of seeing someone
Understanding and using the whole brain
in our communication with youth
Ralph Cantor 4
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The 3 Part Brain
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The Power of the Unconscious
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Goals of Drug Education
Think more deeply about the issue
Make a more informed decision
Have a positive influence on behavior
Know that adults care and will respond
to needs
Identify youth that may need help
Delay initial usage or retard usage of
substances
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Our Work with Youth
What are expected outcomes in a
session with youth?
Self Assessment
Education
Referral
Rapport
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Meet them where they are at
Stages of Change
Pre Contemplative Stage
Contemplative Stage
Planning Stage
Implementing/Maintenance Stage
Relapse Stage
Maintenance Stage
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Ralph’s Marijuana Lesson
The difference of an adolescent brain
The power of Dopamine
History of weed and THC
Cannabinoid sites
Stays in system longer
Lungs, tar and cilia
The deeper monkey
Wizard of Oz
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Adolescent Brain Adult Brain
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Adolescent Brain
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Adult Brain
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Pruning & Myelination
“USE IT OR LOSE IT”– Reading, sports, music, video games, hanging out—whatever a child/teen is doing; these are the neural synapses that will be retained and those not worked get pruned away.
Those neural synapses that are consistently used get hardwired into the brain through myelination.
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Drive and motivation: The
what’s important filter
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The Power of Dopamine
• The mind-body
connection
• Training the brain
• Genetics
• The difference between
Dopamine and Serotonin
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Synaptic Space A psychoactive drug can trick the brain into firing
off dopamine.
This makes the drug take on importance.
THC,
Alcohol,
Etc.
Damage to the receptor
sites begins to both
create more craving
and dull the sites thus
dulling the feeling and
creating more tolerance
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Teens Have Work To Do
Developing interests and passions
Learning how to have good times with friends
Learning how to deal with stress
Developing social skills
Building academic skills
Answering the question “Who am I?”
Experimenting with new activities
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A Time for Building Strengths
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Dopamine vs. Serotonin
Dopamine produces a feeling of pleasure
Serotonin produces a feeling of well being
Difference between pleasure and
happiness
Developing skills, interest, relationships,
meaning
Resiliency
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Marijuana and THC
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Increased THC Potency
• 60s – Hippies era 1-3% THC
• Vietnam era - 5-10% THC
• Post dispensaries – 20% -90% THC
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The Brain and Cannabinoid
Sites
Nucleus Accumbens
Hippocampus
Cerebellum
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Hippocampus…say what?
Retrieves
relevant
information
Stores new
info it deems
relevant
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Hippocampus
New concept
50%
Trash
½, .5 Pulls up relevant
information we already
know and puts relevant
new information into
memory.
Marijuana interrupts that
process.
50%
Hippocampus
Memory
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Cerebellum
Controls internal and external coordination
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Crossfading with Alcohol
Alcohol is an anesthetic
Uppers, Downers, All Arounders
Marijuana is an all-arounder
Xanax, hydrocodone are downers
Crossfading
The anesthetic effect of alcohol can be
deadly when mixed with another downer.
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Reduced sensitivity to intoxication
Increased sensitivity to social
disinhibitions
Greater adverse effects to cognitive
functioning
Most certainly YES
Are adolescents more
susceptible to alcohol than
adults?
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How well does the drug work?
Positive reinforcement = producing
pleasure
Negative reinforcement = boredom,
anxiety, depression, or stress
The Risk of Addiction
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Message from parent
to teen should be…
Wait!!!
Because…
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0%
20%
40%
60%
80%
100%
≤ 13 14 15 16 17 18 19 20 ≥ 21
47% 45% 38%
32% 28%
15% 17% 11% 9%
Dependent in Lifetime
Age Began Drinking
Percentage of U.S. Adults Aged 18 and Older
Dependent on Alcohol, By Age of Drinking Onset
Adapted by CESAR from Hingson, R.W., T., and Winter, M.R. “age at Drinking Onset and Alcohol Dependence,” Archives of
Pediatrics and Adolescent Medicine 160(7): 739-746, 2006
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Conversations with Youth for
Change
Employ deep listening
Show unconditional positive regard
Be real
Collaborate and focus on strengths
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Conversation Strategies
Encourage them to talk about what they
like about the drug
See and trust the resilience of the young
person
Meet the youth at the stage of change
they’re at and try to move them forward
Process is as important as the content
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Questions???
How do you let go of your own baggage?
How does harm reduction fit in?
How can I make sure I am
nonjudgmental?
How do I build credibility?
What other drugs should I be concerned
about?
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Be Like Glinda
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A Passage from the book
“How Can I Help” by Ram
Dass
Pages 167 - 171
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References
Partnership for Drug Free Kids Website
“Marijuana, What’s a Parent to Believe”,
by Dr. Tim Cermak, Hazelden Press
Ralph Cantor [email protected]