After Midterm 2 Flashcards
What parts of the brain regulate falling asleep
Basal forebrain and brainstorm
What parts of the brain are associated with REM sleep?
Brain stem (reticular formation) Limbic system Association cortex Motor cortex Prefrontal cortex
What stage of sleep is dreaming most common?
REM
What is the difference between a dream during REM and the hypnagogic stage?
REM has very vivid dreams sometimes with a narrative structure and the hypnagogic stage has less complex dreams often taken from a single image or idea.
When does the hypnagogic stage occur?
During the transition from waking to early stage 2
What stage does dreaming occur?
Can occur at any stage
Describe Freud’s psychoanalytical theory of dreaming
Views a dream as wish fulfilment, gratification of unconscious desires and needs (especially aggressive or sexual ones)
What are the two types of content Freud’s psychoanalytical theory is distinguished by?
Manifest content: the surface/superficial details
Latent content: distinguished psychological meaning
Describe the activation synthesis theory of dreaming
Do you brain attempts to make sense of random neural activity
Describe the problem-solving model of theory
Dreams help us find solutions to personal problems and concerns
Describe the cognitive-process dream theories
Dreams and waking thoughts are produced by the same system and processes.
What are psychoactive substances
Substances that affect the central nervous system crossing the blood brain barrier and modifying brain chemistry.
They temporarily change perception, mood, consciousness, behaviour
What is drug tolerance
Decrease in response to the drug
It needs larger doses to achieve similar effects
What is the compensatory response to drugs
Physiological reactions opposite to that of the drug
Your brain tries to adjust the body imbalance
What is drug withdrawal
A compensatory response after the drug use is discontinued
Describe the relationship between environment and drug use
When a specific environment is associated with a drug does physical settings become a trigger for compensatory response
What is a conditioned drug response
Because of the environment-drug relationship, tolerance for a drug is influenced by the setting. An unfamiliar setting can cause an overdose even if the amount of the drug taken doesn’t change
What are depressants
Drugs that reduce nervous system activity
What are 3 examples of depressants
Barbiturates and tranquilizers: increase the activity of GABA
Alcohol: increase the activity of GABA then decrease the activity of glutamate
What’s a stimulant
Drug that increases the nervous system activity
Give 2 examples of a stimulant
Coca: blocks the reuptake of norepinephrine and dopamine
MDMA: blocks the reuptake of serotonin. affects behaviours and emotions like empathy or social connections
What are hallucinogens?
Drugs that distort and/or intensify sensory experiences and modify cognition
Give 3 examples of hallucinogens
Psilocybin/Psilocin: mushrooms
LSD: synthesized form of LSA which can be found in ergot and seeds
DMT: found in a range of plants. Associated with intense effects for a short duration
What are opiates
Drugs that produce analgesic effects (pain relief) and euphoria (mood)