Chapter 5.2 Flashcards
Hallucinations
-realistic perceptual experiences in the absence of external stimuli
-can occur in any sensory modality
-more common in average people than we might think
Between ___ to ___ % of college students have reported a hallucination during the day (at least once).
10 to 39
Out-of-body Experience
-sense of our consciousness leaving our body
-the feeling of watching yourself do something
~___% of university students report having one or more OBE
25
~___% of the general public report having one or more OBE
10
Is there evidence of people leaving their body during an OBE
no
Near-death Experiences
-special type of OBE reported by people who have nearly died or thought they were going to die
-25% report an OBE
Classic Elements of a NDE
-tunnel of bright light
-life review
-seeing dead loved ones
-seeing a “being of light”
-coming back “into the body”
Déjà Vu
-feeling of reliving a new experience
-frequency declines with age
Are Déjà Vu experiences common?
-yes, 66% of people report experiences
Possible Déjà Vu causes
-not clear
-excess dopamine in temporal lobes
-abnormal electrical activity in the right temporal lobe
Mystical Experience
-feelings of unity or oneness with the world, often with strong spiritual overtones
-hard to study due to unpredictability
-unique to the person
fMRI and Mystical Experiences
-distinct brain activity patterns
-when highly religious people relived mystical experiences
Hypnosis
-set of techniques that provides people with suggestions for alterations in perceptions, thoughts, feelings, behaviours
Hypnosis: Induction
-beginning of hypnosis
-suggestions for relaxation, calmness, well-being
Hypnosis: Suggestions
-instructions to imagine pleasant experiences
-suggestions on what to think/do
-effectiveness depends on the person
Hypnosis depends on _______ and ________.
relaxation and expectancies
1st Myth of Hypnosis
-hypnosis produces a trance state where “amazing” things can happen
2nd Myth of Hypnosis
-hypnotic phenomena are unique
3rd Myth of Hypnosis
-hypnosis is a sleep like state
-don’t show the brainwaves similar to sleep
4th Myth of Hypnosis
-hypnotized people are not aware of their surroundings
5th Myth of Hypnosis
-hypnotized people forget what happened during hypnosis
6th Myth of Hypnosis
-hypnosis enhances memory
Sociocognitive Theory
-approach to explaining hypnosis
-based on attitudes, beliefs, and expectations
Past Life Regression Therapy
-hypnotizes and supposedly age-regresses patients to a previous life
-used to identify the source of a present-day problem
Dissociation Theory
-approach to explaining hypnosis
-based on a separation between personality functions that are normally well integrated
-main part of the person is hypnotized
-another part, the hidden observer, is unaffected
Dissociation Theory Explains…
-hypnosis bypasses our sense of control we feel over our own behaviours
Psychoactive Drug
-substance that contains chemicals similar to those found naturally in our brains
-alter consciousness by changing chemical processes in neurons
Mental Set
-beliefs and expectancies about the effects of drugs
-setting, culture, genetics account for highs and lows
Depressants
-decreased CNS activity
-initial high followed by low
-ie. alcohol, barbiturates, quaaludes, valium
Stimulants
-increased CNS activity
-ie. tobacco, cocaine, amphetamines, methamphetamine, caffeine
Opiates
-sense of euphoria and decreased pain
-ie. heroin, morphine, codeine