PSYA01H3 : Textbook Notes
Document Summary
sensation the detection of the elementary properties of a stimulus. perception the detection of the more complex properties of a stimulus, including its location and nature; involves learning. transduction the conversion of physical stimuli into changes in the activity of receptor cells of sensory organs. receptor cell a neuron that directly responds to a physical stimulus, such as light, vibrations, or aromatic molecules. anatomical coding a means by which the nervous system represents information; different features are coded by the activity of different neurons. temporal coding a means by which the nervous system represents information; different features are coded by the pattern of activity of neurons. psychophysics a branch of psychology that measures the quantitative relation between physical stimuli and perceptual experience. Just-noticeable difference (jnd) the smallest difference between two similar stimuli that can be distinguished; also called difference threshold.
