Ch 10 - Vocab Flashcards
consciousness
the subjective experience of perceiving oneself and one’s surroundings.
binocular rivalry
the alternation between seeing the pattern in the left retina and the pattern in the right retina
brain death
the brain shows no activity and no response to any stimulus
coma
caused by trauma or damage to the brain, the brain shows a steady but low level of activity and no response to any stimulus, including potentially painful stimuli
vegetative state
in which they respond to some stimuli (at least with changes in heart rate and breathing) but show no purposeful actions
minimally conscious state
brief periods of purposeful actions and speech comprehension
what evidence suggested that some people in a vegetative state are conscious?
Ghost Boy.
phi effect
an illusion of the light moving back and forth between the two locations (hotel lights)
what is the phi effect and what does it tell us about consciousness?
the phi effect is an illusion of movement when a stimulus alternately blinks on and off in two locations. the fact that we perceive gradual movement between the two locations implies that the later perception induced a consciousness perception prior to itself. that is, we sometimes experience consciousness retroactively, not simultaneously with the events.
spatial neglect
a tendency to ignore the left side of the body, the left side of the world, or the left side of objects.
deja vu experience
the sense that an even is uncannily familiar
circadian rhythm
a rhythm of activity and inactivity lasting about a day
how do you get the best sleep?
sleeping through all sleep cycles
how long is sleep cycle?
90-100 minutes long
name two important function of sleep.
sleep conserves energy, and memories strengthen during sleep
