Important terms psych chapter 5-Consciousness Flashcards
(39 cards)
Sleep paralysis
State of being unable to move just after falling asleep or right before waking up.
Consciousness
Our subjective experience of the world, our bodies, and our mental experiences
circadian rythm
Cyclical changes that occur on a roughly 24hr basis
Biological clock
Term for the suprachiasmatic nucleus (SCN) in the hypothalamus that’s responsible for controlling our levels of alertness.
REM
Rapid eye movement: darting of the eyes underneath closed eyelids.
non-REM sleep
stages 1-4 of the sleep cycle, during which rapid eye movements do not occur and dreaming is less frequent and vivid.
REM sleep
Stage of sleep during which the brain is most active and during which vivid dreaming most often occurs.
What are beta waves?
Normal brain waves when awake.
What are alpha waves?
Waves of EEG during calm wakefulness.
What are theta waves?
Seen in stage 1 of sleep
What waves are in sleep stage 2?
Sleep spindles and k complexes
What waves are in stage 3 and 4 of the sleep cycle?
Delta waves
What is lucid dreaming?
Experience of becoming aware that one is dreaming.
Insomnia
difficulty falling and staying asleep
narcolepsy
Disorder characterized by the rapid and often unexpected onset of sleep. Often have few cells that produce orexin.
cataplexy
complete loss of muscle tone
Sleep apnea
disorder caused by a blockage of the airway during sleep, resulting in day time fatigue.
night terrors
sudden waking episodes characterized by screaming, perspiring, and confusion followed by a return to deep sleep.
sleepwalkin
Walking while fully asleep
activation-synthesis theory
theory that dreams reflect inputs from brain activation originating in the pons, which the forebrain then attempts to weave into a story.
Neurocognitive theory
Theory that dreams are a meaningful product of our cognitive capacities, which shape what we dream about.
OBE
out of body experience; sense of our consciousness leaving our body
NDE
near death experience; out of body experience reported by people who’ve nearly died or thought they were going to die
déja vù
feeling of reliving an experience that’s new, may be due to excess of the NT dopamine in the temporal lobe.