Consciouness
What is consciouness?
out subjective awareness of ourselves and our enviornment
what is sleep?
periodic, natural loss of consciousness
what stage you get the deepest sleep?
NREM3
what is sensation?
information being detected and picked up from your enviornment.
what is nature vs. nurture?
nurture: our environment and out experiences
what is alterd state?
A reduced level of responsiveness to stimuli, e.g. under anesthesia
what is circadian rythym?
regular bodily rhythms that occur in a 24-hour cycle (temperature, sleep-wake cycle, breathing)
what is insomnia?
trouble falling asleep and staying asleep
what is conservation of one energry into another called?
transdiction
who came up with evolutionary psychology?
Darwin
what is the difference between sequential and parallel processing?
parallel is unconscious, and sequential is conscious
what does REM stand for?
rapid eye movement
explain REM rebound?
if we do not get enough REM sleep one night out body will automatically compensate in the following days by adding extra REM sleep to out sleep cycle.
stimuli you cannot consciously detect 50% of the time, below our absolute threshold.
what is congnitive neuroscience?
study of brain activity linked with cognition (thinking, knowing, remembering, and communicating)
how many sleep cycles do you go through in one night?
4-6
why do we sleep?
protection, restore, consolidation, creative thinking, supports growth, conserves energy.
what is an example of absolute threshold for vision?
in perfect dark conditions we can wee a candle thirty miles away
why can a true experiment never be done on an unresponsive patient?
because it is unethical, so we must rely on case studies for brain research on unresponsive people.
what percent of the time do we spend in REM?
20-25%
what is suprachiasmatse nucleus?
controls your circadian rhythm, adjusts melatonin production based on light changing or level of sleepiness.
what does Webers law operate on?
"just noticeable difference" which states smallest detectable change is constant proportion of original stimulus.