pysch unit 3
theory states that the frequency of a sound matches the rate of neuron activation
Frequency Theory
purpose of cornea in the eye
Layering that provides protection and bends light into eye
perception of sound depends on where each component frequency produces vibrations along the basilar membrane
Place Theory
top-down processing
Stimulus is guided by brain processes and background info.
absolute threshold
Stimulus necessary to detect a stimulus 50% of the time.
difference threshold
The difference between two stimuli needed to detect 50% time
in hearing pitch is described as
The highness and lowness of a particular tone
theory that we have different kinds of rods and cones for different colors
Young-Helmholtz Theory
bottom-up processing
begins with the sensory receptors and works up to the brain
short wavelengths are associated with what colors
blues and purples
The Müller-Lyer illusion exists in cultures in which there are ________.
buildings with lots of corners
in a figure ground picture the figure is
changes based on perspective
selective attention
choosing and attending to one specific stimuli.
helps us see bright light and color
cones
unit of measuring sound intensity
decibel
not one of the three auditory ossicles
pinna
Long waves are associated with the following colors...
reds and oranges
retinal disparity
the greater the difference in images the closer they are
in hearing frequency refers to whaat
the length of a sound wave
both light and sound travel in form of
wavelengths