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43 Cards in this Set
- Front
- Back
Dopaminergic Tracts that make up the Reward system of the brain? List 4
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Nigostriatal
Tuberoinfundibular Mesolimbic Mesocortical |
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Mesolimbic System is made up of what 5 areas (that are involved with addiction)
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Ventral Tegmental
Nucleus Accumbens Amygdala Hippocampus Prefrontal Cortex |
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When do we have increased plasticity of our brain and increased DA levels? Be specific.
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Adolescents--- Middle adolescents (14-16) is the most vulnerable. Puberty hormones increases vulnerability too
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Increase in DA in the Prefrontal Cortex will be balanced by _______________.
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decrease in DA in Nucleus Accumbens----need more exciting stimulatnt to get same reward----give teens positive risk taking oppurtunities
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Brain circuits of addicted indiv. have _______________ shutdown leading to less inhibitory control.
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prefrontal cortex shutdown
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What peaks in volume at puberty and then prunes as we mature?
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Prefrontal Cortex- responsible for deilberative thinking, cost vs, benefit, reasoning, motivation
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Withdrawal is a CREB mediated up regulation via ___________________.
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Dynorphin stimulating kappa receptors
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Tolerance 1st:____________
Craving 2nd:______________. |
CREB
FosB |
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Organic Cation Transporter (Oct-3) will have excess meth and DA taken up by __________if they become too high.
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Astrocytes
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Why do meth abusers have slow reactions, slow gait, and decrease in memory recall?
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Decrease in DA transporters
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______________ decreases glucose metabolism in the frontal and temporal lobes.
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Marijuana
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What was activated by the Cocaine video?
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Amygdala
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What was activated by Cocaine craving?
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increase in Cingulate
increase in Ant. CIngulate |
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What effect do amphetamines have on the NA?
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increase release of DA
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A decrease in OFC will compromise _________________.
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assigning appropriate value.
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Inhibitory Control circuit?
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Prefrontal Cortex
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Motivated Drive?
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OFC
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Reward Center?
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VTA and NA
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Learning and Memory?
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Hippocampus
Amygdala |
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Inhibitory control can be targeted for addiction therapy using what techniques?
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educations exercises
puzzles vertical integration |
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increasing the value of non-drug reinforces positive connections to others via Mirror neurones is a technique for what brain circuit?
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OFC
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OFC= Motivated Drive= _____________treatment
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Mirror Neurons
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What treatment targets the brain addictive NA and VTA?
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Buprenorphine
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What brain circuit is being targeted?
Horizontal Integ. (tell your story) Role playing Neuropsych set limits |
Hippocampus and Amygdala
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Drug induced deaths due to ___________ and ___________.
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Cocaine
Meth |
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Cocaine self administration is increased in _______________.
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subordinate people
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What happens to an addicted persons CRF when they stop a drug?
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Increase in CRF leading to an increase in Anxiety leading to RELAPSE
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Acute exposure of a stimulus strengthens the behavior that produces it. What is this a def. of?
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Reinforcement
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Behaviorial Plasticity in which behavorial changes occur in response to acute exposure toa reinforcing drug?
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Drug Reinforement
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Increase in response to a chronic exposure to a drug given at a constant dose?
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Sensitization (opposite of tolerance)
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What trx activates opioid receptors?
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Methadone
LAAM Buprenophine |
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What trx blocks opioid receptors?
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Naloxone
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What trx activates nicotinic receptors?
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Nicotine gum/patches
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Knowledge + Emotion= Gene Change. THis is known as _____________.
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Neurogenesis
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Substantia Nigra and VTA react to surprise and release DA. What is this called?
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Novelty
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Increase in neurogenesis in the Hippocampus by social enrichment, recovery housing, church and social intervention. What is this called?
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Environement Enrichment
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increase in DA D2 receptors in the hippocampus due to social intervention is called what?
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Environmental Enrichment
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Acute Drug Administration causes ______________________.
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increase in DA neurotransmission
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Chronic Drug Administration causes _____________.
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decrease in DA activity and deregulation of frontal brain
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Decrease in DA D2 receptors ____________risk for drug use.
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INCREASES risk
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What picks up other peoples empathy and is involved in intuition and imitation?
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Mirror Neurons
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Most of neuropsychosocial rehab is during ___________.
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Time of greatest dysfunction.
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Recovery is ___________ dependent.
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TIMING
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