Unit 3- The Visual System Chapter 6 Flashcards
synethesia
sounds can be seen as colors
sensory receptors for our eyes are…
specialized proteins that bind to molecules
what percent of the cerebral cortex is responsible for analysis of the visual system?
~20%
what is the electromagnetic spectrum?
the range of wavelength or frequencies of electromagnetic radiation
what can we see on the electromagnetic spectrum?
from 380-760 nanometers
Hue
has to do with the wavelength
the faster the fluctuation of a wavelength the…
longer the wave
Saturation
the purity of the light
Brightness
light intensity
what are the eyes held in by?
by 8 muscles, we focus on the ciliary muscles
Saccadic movements
our eyes aren’t moving steadily but move from point A to point B by little rapid eye movements
what is the cornea?
The cornea is the eye’s clear protective outer layer
what is the pupil?
a hole located in the center of the iris that allows light to strike the retina
what is the iris?
a thin circular structure surrounding pupil and controls the diameter and size of the pupil. Eye color is here
what is the lens of the eye?
structure behind the iris that function is to focus light rays on the retina
