Chapter 4 Flashcards
Distorted perceptions of reality are also called:____? Give some examples of these.
ALTERED STATES OF CONSCIOUSNESS (EX: MEDITATION, EFFECTS OF PSYCHOACTIVE DRUGS, SLEEP, DREAMS, DAYDREAMS)
What does EEG stand for? What is an EEG used for? How does it work? Who invented it?
ELECRONENCENCEPHALOGRAM; MEASURES BRAINWAVES; INDICATED FREQUENCIES AND AMPLITUDES OF BRAINWAVES; INVENTED BY BERGER
Know the facts we covered on the slides about each stage of sleep.
STAGES 1-4: NON-REM SLEEP; AS YOU PROGRESS THROUGH THESE STAGES, BRAIN AND BODY ACTIVITY DECREASE
STAGE 1 HYPNAGOGIC STATE BRIEF PHOTO-LIKE IMAGES CAN BE EASILY AWAKENED
STAGE 2 “TRUE SLEEP” SLEEP SPINDLES BRIEF BURSTS OF BRAIN ACTIVITY DEPRIVATION MAY AFFECT LEARNING TASKS
STAGE 3 “SLOW-WAVE” SLEEP
STAGE 4 “DEEP SLEEP” HEART RATE, BLOOD PRESSURE AND BREATHING ARE AT LOWEST LEVELS DIFFICULT TO WAKE UP SLEEPWALKING USUALLY OCCURS
How long is a typical sleep cycle?
90 MINS
If you don’t get enough REM sleep, what might this affect?
BEING REM-DEPRIVED INTERFERES WITH MEMORY
What are the differences we discussed between nightmares and night terrors?
NIGHTMARES IN REM ALL AGE GROUPS MAY REMEMBER EVERYBODY HAS THEM, NIGHT TERROR STAGE 4 MORE COMMON IN KIDS RELATIVELY RARE SIT UP AND SCREAM NO MEMORY
What is somnambulism? Who does it affect and when does it happen?
SLEEPWALKING; MORE COMMON IN CHILDREN 4% ADULTS; HAPPENS IN DEEP SLEEP
In response to the ongoing use of addictive drugs, what happens to our dopamine receptors?
THE BRAIN REDUCES THE NUMBER OF DOPAMINE RECEPTORS SO IT TAKES MORE OF THE DRUG O GET THE SAME EFFECT
Know the facts about secondhand smoke.
42,000 ADULTS DIE EACH YEAR IN THE U.S., CAUSE OF SIDS DEATHS IN INFANTS AND CANCER IN CHILDREN
What are examples of hallucinogenics we discussed in class? Do they lead to psychological or physiological dependence?
LSD; MESCALINE; MARIJUANA; LEAD TO TOLERANCE AND PSYCHOLOGICAL DEPENDENCE
What are the negative side effects of using marijuana? What were the findings of the study on marijuana and IQ?
ELEVATED MOOD AND MILD HALLUCINATIONS, ANXIETY, CONFUSION, PSYCHOTIC REACTIONS, IMPACT INTELLIGENCE; AVERAGE OF 8 POINTS IN IQ BETWEEN AGE 13 AND AGE 38. THE LOST COGNITIVE ABILITIES WERE NOT FULLY RESTORED IN THOSE WHO QUIT AS ADULTS
What is the definition of “learning”?
A RELATIVELY PERMANENT CHANGE IN BEHAVIOR OR KNOWLEDGE THAT ARISES FROM PRACTICE OR EXPERIENCE
What is the definition of “conditioning”?
THE PROCESS OF LEARNING ASSOCIATIONS BETWEEN ENVIRONMENTAL EVENTS AND BEHAVIORAL RESPONSES
What is “extinction”?
PROCESS BY WHICH A CS LOSES THE ABILITY TO ELICIT THE CR; OCCURS BECAUSE THE CS IS NO LONGER PAIRED WITH THE UCS
What is “spontaneous recovery”?
CS IS PRESENTED WITHOUT UCS AND THE CR RETURNS