Intro to Sensation & the Eye

habituation

ignoring unchanging sensory information

visual accomadation

lens changes from thick & thin to focus on objects close or far away

farsightedness

the hardening of the lens causes

nearsightedness

myopia, is also known as

the primary colors of light

red, blue and green are

the most common type of color deficiency vision is

red-green color blindness is

the length of light waves

color is determined by

rods

black and white is detected by

cones

color is detected by

retina

transduction takes place in the

30 minutes

dark adaptation takes about

the interneurons of the eye

bipolar cells are also known as

cones

the retina has a lower concentration of these receptor cells

just noticeable difference

Also known as Weber's Law

Weber's Law

smallest difference btwn two stimuli that is detectable 50% of the time

receptor cells

are activated by outside stimuli

subliminal

below threshold

blindspot

caused by the optic nerve

optic nerve

aka the axons of ganglion cells

afterimage

a result of opponent process theory