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Perception / Sleep

Perception and Sleep

TermDefinition
gestalt whole
figure-ground people instinctively perceive objects as either being in the foreground or the background
depth perception your ability to see objects in three dimensions, including their size and how far away they are from you
visual cliff involves an apparent, but not actual, drop from one surface to another
binocular cues visual information taken in by two eyes that enable us a sense of depth perception, or stereopsis
retinal disparity the fact that the left and right fields of vision provide slightly different visual images when focusing on a single object
convergence explores how sensory details, such as sight or touch, are combined and evaluated to form perceptions, like recognizing a familiar face or learning a new skill
perceptual constancy the phenomenon in which an object or its properties (e.g., size, shape, color) appear unchanged despite variations in the stimulus itself or in the external conditions of observation, such as object orientation or level of illumination
perceptual set a predisposition to perceive or notice some aspects of the available sensory data and ignore others
consciousness the individual awareness of your unique thoughts, memories, feelings, sensations, and environments
biological rhythms a series of bodily functions regulated by your internal clock
circadian rhythms physical, mental, and behavioral changes that follow a 24-hour cycle
ultradian rhythms repeated biological patterns that have a cycle of less than 24 hours
infradian rhythms a bodily cycle that exceeds the circadian rhythm, or daily cycle
REM rapid eye movement (REM) sleep is one of four stages the brain moves through while sleeping
levels of sleep (1) rapid eye movement (REM) and (2) non-rapid eye movement (NREM) sleep
Created by: taryn bedore
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