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43 Cards in this Set

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