set 7 - substance abuse Flashcards
set 7 - substance abuse
what is substance abuse?
ingestion with no negative effects
- what most people do
substance intoxication
experiencing the intended physiological effects of substances
–vary depending on substance, situation, person, amount
-presentation will look different for each substance
substance abuse
when use causes distress and/or impairment
there is an impairment in functioning, negatively impacting life
substance dependence
physiological: cravings for substance
- tolerance: need more amount to feel the effects
- withdrawal: experiencing negative symptoms when not using drug
psychological: behaviours and beliefs surrounding the substance
- engage in negative behaviors to continue use
- believe we need the drug
misconceptions
“Illegal drugs have no positive effects”
* In reality, illegal substances can have medicinal effects
“If you use an illegal drug once, you will become addicted”
Cannabis is a “gateway” drug
notes:
- Psychedelics for treatment of resistant depression, cannabis for glaucoma/cancer, cocaine used medicinally, MDMA used to treat PTSD
- Less than 10% that tried illegal substances become addicted
- Majority don’t become addicted
more misconceptions
Prohibition decreases drug availability
* Portugal’s success with decriminalization
- Banning drugs doesn’t work, people find other ways
- More kids and pregnant women had more access during prohibition
Only former drug abusers make good drug therapists
- commonly believed still
- not true, any trained therapist works
substance use disorder
how many criteria and how can it be grouped?
11 Criteria in DSM-5-TR can be grouped based on:
1) Physical Dependence
2) Risky Use
3) Social Problems
4) Impaired Control
note:
criteria is the same for all disorders
for diagnosis, you need to meet at least 2 of 11 criterias within a 12-month period
substance use disorder
A pattern of use that causes significant impairment and distress, as indicated by:
1) Using more of a substance than intended or for longer than you’re meant to
= impaired control
2) Persistent desire or repeated unsuccessful efforts to cut down or control use
= impaired control
3) Spending more time getting and using drugs and recovering from substance use
= dependence
4) Craving or strong desire/urge to use substance
= dependence
5) Recurrent relationship problems caused by or worsened by use
= social problems
6) Negative impact on work, home, or school performance = social problems
7) Give up important social, recreational, or work activities because of substance use = social problems
8) Recurrent use of substance in situations where it is physically dangerous to do so = risky use
9) Recurrent physical or psychological problem that are caused by or worsened by use = risky use
continued
10) Tolerance, as defined by at least 1 of
- Increased amounts are required for intoxication or desired effect
- Diminished effect with continued use
11) Withdrawal, as defined by at least 1 of
- Characteristic withdrawal syndrome associated with that substance
- The substance (or a closely related substance) is taken to relive or avoid withdrawal symptoms
- negative reinforcement pattern
general biological factors & treatment
etiology (general across all substances)
1) genetics
- component to some substances (alcohol, tobacco, and opiates) but less research to support link for other substances
2) reward areas in the brain
- dopamine most related system and opioid system
- drugs highjack these systems in the brain
- reward areas responsible for enjoying things like food
general biological factors and treatment
medically supervised withdrawal
Medications simulates effects of illegal substance to help gradually ween them off
-may have medications to lessen symptoms or side effects of withdrawal
general biological factors & treatment
replacement medications
Replacement medications
- Methadone (opioid to replace illegal drug)
tobacco replacement (nicotine patchs)
general biological factors & treatment
antagonists
1) Antagonists exist to counter-act overdose for some substances
- Naloxone: stops overdose from opioids
- Valium: decreases heart rate and blood pressure (cocaine overdose)
general psychological etiological factors
disease model
Disease model: historically prevalent, view addiction same as asthma or diabetes. A physical illness. Have access to substance and have no control over actions/use
General Psychological Etiological Factors
parental influence
Parental influence: grow up seeing drug use (social modelling, appropriate coping mechanism), mediating factor/cause of psychological trauma and use as coping strategy
-Behavioural control: exert more behavioural control, prevent peer pressure (may stop effects of negative peer pressure)
General Psychological Etiological Factors
expectancy effects
Expectancy effects: how beneficial we believe a drug will be increases likelihood of use
-More likely associated to abuse of drug but not dependence
General Psychological Etiological Factors
positive vs negative reinforcement
Positive reinforcement: continue to do something because they get reward from it (high is rewarding, or social aspect is reinforcing)
-Polysubstance use: use more types to enhance effects
Negative reinforcement:removal of physiological (withdrawal) or psychological (mental health issues) distress increases the behaviour
Self-medication as negative reinforcement, less linked to substance abuse and more linked to dependence
General Psychological Etiological Factors
opponent-process theory
Opponent process theory: theory of emotional and motivational states. Initially, emotions have a paired opposite (ie. happiness/sadness, fear/relief) and cannot experience them simultaneously
Opposite of pleasure is pain. When experiencing one emotion/pleasure, it inhibits pain temporarily
- When pleasure goes away, pain increases. Second emotion goes back around to experience first emotion??
- Second emotion likely to suppress first emotion
Addiction: result of emotional pairing of pleasure and withdrawal symptoms
- Repeated exposure shifts. From little pleasure to more pain
Feel intense levels of pleasure when first using drug, overtime pleasure levels decrease and withdrawal symptoms increase (pleasure and withdrawal symptoms opposite)
- Need more frequently and in larger quantities to feel more pleasure again and avoid pain of withdrawal
- What leads to addiction
General Psychological Etiological Factors
conditioned place preference
Conditioned place preference
Conditioned place preference: individuals develop context associations that have formed related to their substance abuse
- Context associations in drug use (reward behaviours). Body physiologically prepares
- Cues signal that this is what we need to do (Pavlovian). Could also be emotional states
- Drug use in new areas can lead to different effects and possible overdose (without previous cues). Overdose can also happen if go back to cues if weren’t around them before??
- Cravings may be a response to conditioned place preferences
general psychological treatments
12-step programs (support disease model)
- good for social support
- not super effective
- Often religious component/male dominated
- Not open to research
General Psychological Treatments
support groups and inpatient programs
Support groups/community resources: Generally ineffective
* Help with issues go hand in hand
* Access or support
Inpatient programs: No more effective than outpatient
* Needed for detox (not more effective beyond that)
General Psychological Treatments
CBT and motivational interviewing
CBT: more cognitive focused (exposure not useful), used to treat comorbid symptoms that go along with substance use disorders
Focus on establish controlled use, not complete abstinence
Motivational interviewing/enhancement: * help person resolve whether or not they want to be in treatment
Motivations for being in treatment
general psychological treatments
harm-reduction
Harm reduction: help individual reach goals but be safe. Reduce harm in use
* Not looking at abstinence (maybe for some substances)
* Mainly look at control use and reducing harms
* Provide safe injection sites, safe needles
* Lots of research to support, can’t force abstinence on everyone. Can alleviate surrounding issues
Relapse and multiple treatment attempts are very common
* Cravings may never leave
overview
substance-related disorders
- alcohol
- tobacco
- cannabis
- amphetamines/ cocaine
- opioids
- hallucinogens
gambling disorder
alcohol
1) intoxication
- Initial increase in well-being, decreased inhibitions
- Decreased motor control, coordination, reaction times, poor judgement, blackouts
2) Withdrawal
- Hand tremors, nausea, anxiety,
insomnia, hallucinations, and delirium tremens (severe hallucinations or body tremors) - withdrawal is the most severe for alcohol use disorder, people can actually die from the withdrawal symptoms
12mo% = 12% men, 5% women
note:
Long term and more chronic use can result in dementia and brain damage
More moderate use however may help protect against cognitive decline (??)
- high rate for men
- rates of addiction are higher in teens and young adults and young males are more at risk
Binge drinking – for men it would be 5 or more drinks (2 hr period of time) / women 4