Chapter 6 continued Sensation and Perception

True or false: Our eyes receive light energy and transduce (transform) it into neural messages. Our brain then creates what we consciously see.

• True

• False

Which part of the eye is responsible for focusing light onto the retina?

• Cornea

• Iris

• Pupil

• Lens

True or false: The retina contains photoreceptor cells that detect light and color.

• True

• False

What type of cells in the retina are responsible for color vision?

• Rods

• Cones

• Ganglion cells

• Bipolar cells

What words from your notes are associated with sound waves?

Answer explanation

Pitch: Perception of a sound's frequency

Decibels: Logarithmic unit of sound intensity

Timbre: A sounds purity.

The Cornea is:

• Colored portion of the eye

• light sensitive lining of the eye

• Transparent covering over the eye

• small opening in the eye through which light passes

True or false: The pupil is the part of the eye that changes size to adjust the amount of light that enters.

• True

• False

Which part of the eye contains the highest concentration of cone cells?

• Cornea

• Fovea

• Iris

• Optic nerve

The optic nerve transmits signals to the

• temporal lobe

• parietal lobe

• occipital lobe

• frontal lobe

In humans, this part of the eye can range in color from brown to blue:

• retina
• tapetum
• cornea
• iris