Question 1

Which of the following best describes the process of transduction in sensation?

Accepted Answer

The conversion of physical energy from the environment into neural impulses by sensory receptor cells.

Question 2

A person is able to detect a candle flame from 30 miles away on a clear night. This scenario best illustrates which concept in psychophysics?

Accepted Answer

Absolute threshold

Question 3

Which of the following is an example of sensory adaptation?

Accepted Answer

Becoming less aware of the feeling of your clothes on your skin after wearing them for a while.

Question 4

A person fails to notice a clown walking through a busy street while focusing on their phone. This is an example of:

Accepted Answer

Inattentional blindness

Question 5

According to the trichromatic theory of colour vision, which combination of cones is responsible for perceiving all colours?

Accepted Answer

Red, green, and blue cones

Question 6

Which theory explains colour vision in terms of three pairs of opponent colours?

Accepted Answer

Opponent process theory

Question 7

A person is unable to recognize objects visually despite having intact vision. This condition is known as:

Accepted Answer

Visual agnosia

Question 8

Which of the following best illustrates the concept of colour constancy?

Accepted Answer

Perceiving a green apple as green under both sunlight and fluorescent light.

Question 9

Which formula represents Weber's Law for the just noticeable difference (JND) between two stimuli?

Accepted Answer

$ \Delta I = kI $

Question 10

A person is able to hear a sound only when its intensity is above a certain level. This minimum intensity is referred to as:

Accepted Answer

Absolute threshold

Question 11

Which of the following is NOT a function of rods in the retina?

Accepted Answer

Colour perception

Question 12

Which of the following best describes selective attention?

Accepted Answer

Focusing on a specific aspect of sensory input while ignoring other stimuli.

Question 13

A person is unable to recognize faces but can identify objects. This condition is known as:

Accepted Answer

Prosopagnosia

Question 14

Which of the following is an example of context effects on perception?

Accepted Answer

Interpreting a driver’s actions differently when you are a pedestrian versus when you are a driver.

Question 15

Which of the following is a monocular cue for depth perception?

Accepted Answer

Texture gradient

Question 16

Which of the following best illustrates the concept of change blindness?

Accepted Answer

Failing to notice a person switching places with another during a conversation.

Question 17

Which of the following statements about perception is most accurate?

Accepted Answer

Perception is a constructive process in which the brain interprets and organizes sensory input.

Question 18

Which of the following is an example of how emotions can sway perception?

Accepted Answer

Listening to sad music and perceiving neutral events as more negative.

Question 19

Which of the following best describes the difference between bottom-up and top-down processing?

Accepted Answer

Bottom-up processing begins with sensory input, while top-down processing uses memory and other cognitive processes.

Question 20

A person is able to perceive a stimulus presented below the absolute threshold. This phenomenon is known as:

Accepted Answer

Subliminal perception

Sensation and Perception: Foundations, Processes, and Influences

Study Guide - Practice Questions