Psychology Vision

Which is True?

• There are an equal number of rods and cones.  Cones detect black and white
• there are an equal number of rods and cones.  Rods detect Black and White
• there are more cones than rods and cones detect black and white
•  There are more rods than cones and rods detect black and white

The retina is 

• rectangular
• the clear tissue that covers the front of the eye
• the light sensitive inner surface of the eye containing the receptor rods and cones plus layers of neurons that begin the processing of visual information
• changes shape to help focus images on the retina

What part of the eye allows us to see color?

• cones
• rods
• iris
• eyeball

As the football game continued into the night, Leondre noticed that he was having difficulty distinguishing the colors of the players' uniforms. This is because the _______________, which enable color vision, have a _______________ absolute threshold for brightness than the available light intensity.

• Rods; higher
• Cones; higher
• Rods; lower
• Cones; lower

What is letter I?

• Cornea
• Lens
• Vitreous humor
• Optic nerve

True

• Cone cells detect light and dark
• Rods focus light
• Cones detect color
• Rods detect color

Where does the optic nerve take the visual information?

• To the Thalamus and then to the Occipital Lobe
• to the Hippocampus and then to the Occipital Lobe
• to the Hypothalamus and then to the Occipital Lobe
• to the Cerebellum and then to the Occipital Lobe

Which part of the eye contracts and dilates based on the environment? 

• Pupil
• Cornea
• Sclera
• Iris

The place where the optic nerve leaves the retina, where there are no light-sensitive cells is the ________________.

• lens

• cornea

• blind spot

• sclera

Does a basketball reflect orange light or absorb orange light.

• reflect
• absorb