eye articles
What is color experience fundamentally considered to be?
What three components are required for the complex interaction of color perception?
What range defines the visible spectrum restricted to human vision?
If an object absorbs nearly all incoming wavelengths, how is it perceived?
What is the function of rod photoreceptors in the retina?
Color discrimination in humans is based on the activity ratio across which type of photoreceptor?
What mechanism allows humans to perceive millions of distinct hues instead of just three primary colors?
Which theory describes the organization of color information into opposing pairs within the nervous system?
What function allows a white object to look white under both yellow incandescent light and cooler sunlight?
What environmental factor causes a gray patch next to a bright blue area to appear slightly reddish or yellowish?
What concept refers to the subjective, phenomenal experience of 'redness' or 'blueness'?
Which structure provides the majority of the eye's light refraction power?
Which substance fills the main cavity of the eye after light passes the lens?
Approximately how many rods are found in the human eye?
What specific function do cones handle that rods cannot?
What is the photopigment contained within the rod photoreceptors?
In the dark, what state are retinal photoreceptors maintained in?
What molecular event initiates the signal cascade when light strikes rhodopsin?
What electrical change occurs in the photoreceptor when light causes sodium channels to close?
What is the essential signal transmitted to the bipolar cells when light causes glutamate release to cease?
Which retinal cells are responsible for generating true action potentials used for long-distance communication?
What is the structure in the thalamus that functions as the initial relay station after the optic nerve?