PSYC 1101 Lecture 6: The Science of Addiction
26 Apr 2018
School
Department
Course
Professor
The Science of Addiction: Genetics and the Brain
Name of Drug
Classification and
Chance of Addiction
Effects on Body, Behavior &
Brain
Withdrawal
Symptoms
(if provided)
What is a depressant?
A drug that temporarily produces a calming or drowsy effect.
Alcohol
● Depressant
● Although alcohol
use is legal for
adults, it has a high
potential for abuse
and addiction.
● Relaxation and disinhibition
● Motor coordination
● Impairs reasoning, balance,
speech, reaction time and
judgment.
● Depression
● Memory loss
● Organ damage
● Impaired reactions
● Nausea
● Vomiting
● Lack of physical control
● Loss of consciousness
● Possible death
What is a stimulant?
A class of drug that speeds up activity in the brain and nervous system.
Cocaine
● Powerful stimulant
● Comes from coca
plant.
● Highly addictive
● Increased energy, decreased
appetite, and mental alertness.
● Disturbances in heart rhythm
● Nausea
● Respiratory failure
● Strokes
● Seizures
What is a
hallucination?
Distortions in perception of reality and time.
Hallucinogens
● Psilocybin
● Mescaline
● LSD
● Drugs that cause
hallucinations.
● Users may see, hear, or feel
things that seem real, but that
aren’t actually there.
● Experience several emotions at
once or swing rapidly from on
emotion to another.
● Dilated pupils
● Higher body temperature
● Increased heart rate and blood
pressure
● Sweating
● Loss of appetite
● Sleeplessness
● Dry Mouth
● Tremors
What are
opiates? AKA
Narcotics
A class of drug derived from the poppy plant.
Heroin
● Opiates
● Definitely not used
medically
● Extremely addictive
● A “rush” of pleasure in that’s
followed by several hours of
drowsiness.
● Nausea
● Vomiting
● Severe itching
● Restlessness
● Muscle
● Bone pain
● Insomnia
● Diarrhea
● Vomiting
● Cold flashes
Document Summary
The science of addiction: genetics and the brain. A drug that temporarily produces a calming or drowsy effect. Although alcohol use is legal for adults, it has a high potential for abuse and addiction. Impairs reasoning, balance, speech, reaction time and judgment. A class of drug that speeds up activity in the brain and nervous system. Increased energy, decreased appetite, and mental alertness. Lsd hallucinations. things that seem real, but that aren"t actually there. Experience several emotions at once or swing rapidly from on emotion to another. A class of drug derived from the poppy plant. A rush of pleasure in that"s followed by several hours of drowsiness. Peaceful or euphoric sensation in the user, but after, causes sleepiness or depression. At risk of dehydration, hyperthermia, and heart or kidney failure. Elevate body temperature to dangerous or lethal levels. Classification depends on the type of inhalant. Chemicals that can be inhaled to get an immediate high.
