5.5 - Drugs and Consciousness Flashcards
What are Psychoactive Drugs?
Chemical that influence consciousness or behaviour by altering the brains chemical messaging system
Agonists vs. Antagonists
Re-uptake inhibition
Prevention of binding of neurotransmitters, or even enhancement of their binding.
What are the five dangers of drug addiction?
Drug tolerance
Physical dependence
Psychological dependence
Drug withdrawal symptoms
Drug addiction
What can be said of the term “addictive” as a definition?
It changes with the times, and between cultures
What are the major groupings of drugs?
Depressants
Stimulants
Opioids
……..
What are “Depressants”?
Thye slow dowon you rnervous system. They reduce activity in the Central Nervous System.
ex: Alcohol
What is Alcohol Myopia?
Condition that results when alcohol hampers attention, leading people to respond in a simple ways to complex situations
What are Stimulants?
Substances that excite the central nervous system, heightening arousal and activity levels
ex: caffeine, amphetamines, nicotine, cocaine, modafinil
What are Narcotics?
Highly addictive drus derived from opium that relieve pain
ex: heroin, morphine, methadone, and codeine
What is Marijuana?
The leaves and buds of the hemp plant, which contain a psychoactive drug called tetrahydrocannabinol (THC).
Affects judgement and short-term memory, and impairs motor skills and coordination
What’s Posthypnotic Amnesia?
The failure to retrieve memories following hypnotic suggestions
What is Expectancy Theory?
The idea that alcohol effects can be produced by people’s expectations of how alcohol will influence them in particular situations
What is Balanced Placebo Design?
A study design in which behaviour is observed following The presence or absence of an actual stimulus and also following the presence or absence of a placebo stimulus
Gateway Drug
A drug whose use increases the risk of the subsequent use of more harmful drugs
What’s the difference between an agonist and an antagonist?
Agonists increase the activity of neurotransmitters, while Antagonists decrease activity
What is Psychological Dependence?
A strong desire to return to the drug even when physical withdrawal symptoms are gone.
Drugs can create an emotional need over time that continues to prey on the mind, particularly in circumstances that are reminders of the drug.
