Mod 3 (Sec 2) Flashcards
1
Q
Substance use
A
- the use of a psychoactive substance
- can include caffeine, alcohol, cannabis, and other illicit drugs
2
Q
Substance misuse
A
- use of a psychoactive substance in a way that causes concern/elevates risk of reduced well-being and poor mental health
- E.x. regular or excess use when should be in class
- use of medication for purpose other than described
- binge drinking (4+/5+ drinks)
3
Q
Substance use disorder
A
- clinically significant abuse or dependency which includes psychological and physiological aspects of an addiction
- worsening physical health, depressive symptoms
- failure to meet responsibilities
- problems in relationships
- assoc. losses
4
Q
Substance use and dev. brain
A
- brain is especially susceptible to toxins such as excessive alcohol and drug misuse
- can be assoc. w/ a number of structural/functional changes in brain during this time
5
Q
Mental health problems
A
- substance use can contribute to the dev. and worsening of mental health problems including poor sleep, anxiety, depression, psychosis
6
Q
Cognition
A
- substance misuse is assoc. w/ altered brain functions
- how you think, perceive, and feel
7
Q
Attention
A
- substance misuse is assoc. w/ reduced sustained attention, distraction, error
- using stimulant meds does not help w/ conc. unless have diagnosable ADD
8
Q
Learning
A
- regular cannabis and alcohol misuse is assoc. w/ poorer uni performance and higher dropout rates
9
Q
Motivation
A
- low drive and low motivation are assoc. w/ substance misuse
-especially regular cannabis misuse which is assoc. w/ amotivational syndrome
10
Q
Substance use: alcohol
A
- WHO indicates most substance misuse and use disorders arise after starting uni
- alcohol is most common
- alcohol acts primarily on CNS and functions as a depressant, slows down neural processes and communication
- disinhibition of normal behaviour
- disruptions in decision-making
- slower thinking and responding
- trouble w/ motor coordination
11
Q
Binge Drinking
A
- consumption of excess of alcohol at one point in time
- assoc. w/ negative outcomes
12
Q
Binge drinking: negative outcomes
A
- risk of physical harm (assaults, injury)
- blackouts, forgetting what happened
- hangovers
- poor academic performance
13
Q
Short-term effects: alcohol
A
- alcohol is a depressant
- more drinks will slow brain activity, slurred speech, unsteady balance
- affects the dopaminergic system, GABA and glutamate systems
- can lead to coma and death
- assoc. w/ poor quality sleep, heart palpitations, dehydration
14
Q
Long-term effects: alcohol
A
- assoc. w/ toxic effects on the brain; shrinkage of key brain areas for memory and reasoning
- arrhythmias; irregular heart beat
- weakened immune system
- diseases of liver, pancreas, stomach
- some from of cancer
- alcohol dementia
15
Q
Substance use: Cannabis
A
- second most commonly abused substance among youths
- psychoactive drug derived from the sativa plant
- contains many chemicals classified as cannabinoids
- acts on the CNS
- variable effects depending on ratio of CBD and THC (hallucinogenic properties)
16
Q
The Endocannabinoid System
A
- body has natural cannabinoids that act on receptors all over body to promote normal functioning
- involved in actions such as appetite, pain, immune system, conc., well-being
- when using exogenous (from external source) cannabis, this can disrupt the normal system
17
Q
Cannabis
A
- regular cannabis use (especially w/ high THC:CBD) is assoc. w/ increased risk of worsening or new onset of mental health problems
- decreased cognitive efficiency, memory, rxn time, motivation
- effects are amplified if cannabis use starts in adolescence and in context w/ other substances
- can also inc. risk of cardiovascular disease, chronic obstructive lung disease, some cancers
18
Q
CBD
A
- second-most abundant cannabinoid in plant after THC
- many potential therapeutic benefits
- counterbalancing effects of THB
- alleviating pain, movement disorders, nausea, calming effect
19
Q
Substance use: Stimulants and Cog. enhancers
A
- stimulants; class of drug that inc. activity of the brain
- act on receptors to either block or reuptake or stimulate release of neurotransmitters such as dopamine, increasing their effects
- most common across pop. is caffeine
20
Q
Positive effects: caffeine
A
- moderate doses (1-2 cups) can increase well-being, happiness, energy, alertness, sociability
21
Q
Amount of caffeine
A
- adolescents should not consume more than 100 mg of caffeine/day
- adults should limit consumption to no more than 400 mg/day
22
Q
Length of effects: caffeine
A
- the average half-life of caffeine is about 5 hours so caffeinated items should not be consumed after 5 pm. to not negatively impact sleep
23
Q
Negative effects: caffeine
A
- higher doses are likely to produce symptoms of anxiety, jitteriness, upset stomach
- can have reverse effect and cause restlessness, nervousness, inattention/distractibility, irritable mood, insomnia, sleep disruption, lower energy
- ind. can develop tolerance and experience withdrawal like w/ other addictive drugs
- common withdrawal symptoms; headache, changes in BP, shakiness, reduced cog. function
24
Q
Substance use: non-medical use stimulants
A
- non-medical prescription drug use is generally defined as use w/ out prescription or use for reasons other than what medication is intended for
- meds commonly misused by younger people in higher education include stimulants and other illicit drugs
25
Q
Evidence of advantages of use
A
- lack of evidence for an academic advantage assoc. w/ non-medical use of stimulant meds
- for students who do not have a diagnosed ADHD it will not improve academic performance
26
Q
Potential harms
A
- cardiovascular events
- increased risk behaviours
- poorer well-being
- anxiety and agitation
- poor conc.
- sleep problems
27
Q
Ketamine
A
- substance w/ very powerful anesthetic effects
- mainly used for veterinary medicine
- recreational effects cause feelings of relaxation/happiness to dream-like and detached
- special K, vitamin K, donkey dust
- reduces sensations in body which can lead to injury
- powerful dissociative effects
28
Q
MDMA
A
- synthetic drug that is chemically similar to hallucinogens and stimulants
- produces feelings of increased energy, pleasure, emotional warmth, distorted sensory and time perception
- affects neural chemicals
- ecstasy, molly
- can cause unpleasant feelings and withdrawal
29
Q
Cocaine
A
- highly addictive stimulant that derives from the coca plant
- primarily affects the level of neurochemical dopamine in the brain
- flood of dopamine and then there is a crash
- crack, blow, coke, rock, snow
- w/ repeated use, disrupts dopamine circuits making it hard to enjoy normal day life