Ch 5. Sensation and Perception

Being able to see a candle flame 30 miles away on a clear night is the

• absolute threshold for human vision
• difference threshold for human vision.
• perceived threshold for human vision
• ratio threshold for human vision

Which of the following is true about rods and cones?

• There are more cones in the retina than rods.

• Rods are photoreceptors, while cones are not

• Rods are sensitive to lower levels of light than cones.

• Rods "see" color and cones only "see" black-and-white

If an object reflects purple light and absorbs other colors, what color will that object appear to be in daylight to someone with normal color vision?

• Any color except purple, depending on the object’s density

• Purple

• Black or gray

• White or gray, depending on the object’s reflectivity

Vibration is crucial to which sense?

• Sight

• Hearing

• Smell

• Taste

A researcher presents two lights of varying brightness to a subject who is asked to respond "same" or "different" by comparing their intensities. The researcher is trying to find the subject's:

• just noticeable difference.
• absolute threshold.
• subliminal threshold.
• minimal threshold.

Sensation is to ________ as perception is to ________.

• encoding; detection
• detection; interpretation
• interpretation; organization
• threshold; transduction

The basilar membrane is lined with:

• hues
• olfactory receptors
• bipolar cells
• hair cells

The process by which your ears convert sound waves to neural impulses is called...

• sensory adaptation

• accommodation

• parallel processing

• transduction

What is the first part of the eye that light hits?

• Lens

• Cornea

• Pupil

• Retina

• Iris

Audition (hearing) is processed largely by which region of the brain?

• Temporal Lobe

• Somatosensory Cortex

• Occipital Lobe

• Hippocampus