PSY111 - ch5 Flashcards
our subjective experience of the world, our bodies, and our mental perspectives
consciousness
state of being unable to move just after falling asleep or right before waking up
sleep paralysis
cyclical changes that occur on a roughly 24 hr basis in many biological processes (hormone release, brain waves, body temp, drowsiness)
- latin for “about a day”
circadian rhythm
- located in the suprachiasmatic nucleus (SCN) in hypothalamus
- responsible for controlling our levels of alertness
- melatonin triggers feelings of sleepinness
brain biological clock
darting of the eyes underneath closed eyelids during sleep
Rapid eye movement (REM)
stages 1 - 4 of the sleep cycle, during which rapid eye movements do not occur and dreaming is less frequent and vivid
non-REM sleep (NREM)
Stage of sleep during which the brain is most active and during which vivid dreaming most often occurs
REM sleep
they make us feel drowsy at different times of the day and night
suprachiasmatic nucleus (SCN) in the hypothalamus
- middle ear muscle activity
- muscles of our middle ears become active, almost as though they’re assisting us to hear sounds in the dream
MEMA
Difficulty falling and staying asleep
Insomnia
Disorder characterized by the rapid and often unexpected onset of sleep
Narcolepsy
Disorder caused by a blockage of the airway during sleep, resulting in daytime fatigue
Sleep apnea
Theory that dreams reflect inputs from brain activation originating in the pons, which the forebrain then attempts to weave into a story.
Activation-synthesis theory
Sense of our consciousness leaving our body
Out-of-body experience (OBE)
OBEs sometimes occur in ________ -reported by people who’ve nearly died or thought they were going to die
Near-death experience (NDE)
Feeling of reliving an experiment that’s new
Deja vu
Feelings of unity or oneness with the world, often with strong spiritual overtones
Mystical experience
Set of techniques that provide ppl with suggestions for alterations in their perceptions, thoughts, feelings, and behaviors
Hypnosis
Substance that obtains chemicals similar to these found naturally in our brains that alter consciousness by changing chemical processes in neurons
Psychoactive drug
Reduction in the effect of a drug as a result of repeated use, requiring users to costume greater quantities to achieve the same effect
Tolerance
Unpleasant effects of reducing or stopping consumption of a drug that users had consumed habitually
Withdrawal
