Sensation and Perception AP Review

The sense of movement and body position

• Hearing
• Sight
• Kinesthesis
• Olfaction
• Touch

Which of the following is a perception?

• noting a change in temperature
• hearing an increase in volume
• recognizing an object as a car
• viewing a decrease in brightness

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 are similar to color film and cones are similar to black-and-white film.

When a person rubs an elbow after smacking it into a table, that person is

• creating competition between pain and nonpain impulses
• focusing attention toward the pain.
• decreasing nonpain impulses in the area.
• increasing pain impulses in the area

If we did not have cones in our eyes, we would not see

• colors

• shapes

• sizes

• distant objects

Sensation

• opening in the iris that regulates the amount of light entering the eye

• the tendency to perceive certain objects the same way despite changing conditions

• what occurs when a stimulus activates a receptor

• contains light-sensitive receptor cells

Absolute Threshold

• the weakest amount of a stimulus that a person can detect half the time

• filling in the gaps in what our senses tell us

• what occurs when a stimulus activates a receptor

• organization of sensory information

Information processed below the normal level of awareness is called

• adaptive
• subliminal
• psychophysical
• subnormal

The idea that the amount of change in a stimulus necessary to produce a JND is a constant proportion of the stimulus intensity is called

• James' Law
• all or none principle
• Weber's Law
• law of diminishing returns