sensation and perception Flashcards
(10 cards)
what is sensation?
the process when our sense organs and receptors detect and respond to sensory information that stimulates them.
what is perception?
the process when we give meaning to sensory data
what are the processes of the visual perception system?
reception, transduction, transmission, selection, organisation, interpretation
describe 3 differences between sensation and perception
sensation is a passive physiological process, it is the detection of raw sensory data and it is 2d retinal image, whereas perception is active physiological process, it gives meaning to the sensory info and it is 3d
what happens in reception?
sensory info is recevied
what happens in transduction?
info is converted into a neural impulse
what happens in selection?
sorting and isolation of certain sensory stimuli
what happens in organisation?
grouping of elements to form a whole
what happens in transmission?
info sent to brain via optic nerve
what happens in interpretation?
sensory info is given meaning and understood
