sensation/perception Flashcards
sensory receptors
specialized neurons that respond to specific types of stimuli
sensation
when sensory receptors detect sensory stimuli
list of sensory systems
vision, hearing, smell, taste, touch, pain, temperature, movement, body position, and balance
absolute threshold
minimum amount of stimulus energy that must be present for the stimulus to be detected 50% of the time
perception
the way sensory info is interpreted, organized, and consciously experienced
2 forms: top down and bottom up
bottom-up processing
where perceptions are built from sensory input
top-down processing
interpretations of sensations is influenced by available knowledge, experiences, and thoughts
gestalt figure-ground principle
idea that we split our visual world into figure (the main focus) and ground (background)
gestalt principle of proximity
the idea that things are close together tend to be grouped together
gestalt principle of similarity
the idea that things that are alike tend to be grouped together
gestalt principle of closure
you perceive a full circle instead of a series of segments
binocular cues
cue that tries on both eyes
monocular cues
cue that relies on only one eye
linear perspective
when two parallel lines seem to converge
depth perception
ability to perceive spatial reaction ships in 3d
