substance abuse Flashcards
is substance abuse higher in bipolar or depression?
bipolar
dual diagnosis:
individual who has both mental disorder and substance use disorder
What does having dual diagnosis mean?
greater severity of illness, worse course of illness, greater difficulties in overall functioning, poorer treatment response
Secondary psychiatric disorder model:
incidence of SUD increases risk for mood disorder
secondary substance abuse model:
incidence of mood disorder increases risk for SUD
Bidirectional model:
each disorder involve separate etiologies, but exacerbate each other
Third variable or common factor models:
shared mechanisms for development of both disorders
criteria of substance use disorder, manifested by at least 2 of the following:
-increased drug taking
-unsuccessful efforts to cut down
-a great deal of time spent obtaining, using, recovering from the drug
-craving to use
-social activities reduced due to drug use
-physically hazardous use
-tolerance (increased dose to achieve desire effect)
-withdrawal
Categories of this disorder depend on:
categories for type of drug, intoxication, or withdrawal. e.g. categories for opioids: opioid use disorder
Specifiers for SUD:
mild (2-3 symptoms), moderate (4-5 symptoms), severe (6 or more symptoms)
what is addiction?
a primary chronic disease of brain reward, motivation, memory and related circuitry
addiction is characterized by these 4 things:
- inability to consistently abstain from use
- impairment in behavioral control and craving
- diminished recognition of significant problems with ones behaviors and interpersonal relationships
- dysfunctional emotional response
how many shifts are there as addiction progresses?
2 shifts
what are the 2 shifts?
- shift from positive reinforcement to negative reinforcement
- shift from impulsivity to compulsivity
what is the positive reinforcement in addiction progresses?
addition of a reinforcing stimulus, I take the drug because it makes me feel good
what is the negative reinforcement in addiction progresses?
removal of an aversive stimulus; I take the drug so I dont feel bad anymore
what system do drugs impinge on to cause rapid drug addiction increases?
mesocorticolimbic dopamine system, Ventral segmental area to nucleus accumbens
dopamine is involved in:
motivation and learning