Question 1

Which process describes the transformation of sensory energy into neural impulses that can be interpreted by the brain?

Accepted Answer

Transduction

Question 2

A person is able to detect the lightest touch on their skin, but cannot sense a lighter touch. This scenario best illustrates which concept?

Accepted Answer

Absolute threshold

Question 3

Which of the following best describes 'top-down' processing in perception?

Accepted Answer

Using prior knowledge and cognitive processes to interpret incoming sensory information

Question 4

If a person is unable to detect unexpected changes in their environment due to distraction, which phenomenon are they experiencing?

Accepted Answer

Change blindness

Question 5

Which structure in the eye is responsible for controlling the amount of light that enters by adjusting its size?

Accepted Answer

Iris

Question 6

According to the trichromatic theory, how is colour vision achieved?

Accepted Answer

By stimulation of three types of cones sensitive to red, green, and blue wavelengths

Question 7

A person is able to hear a sound only when its intensity exceeds a certain minimum value. This minimum value is known as:

Accepted Answer

Absolute threshold

Question 8

Which of the following is an example of selective attention?

Accepted Answer

Ignoring background noise while focusing on a conversation

Question 9

Which part of the ear is responsible for transmitting vibrations to the middle ear?

Accepted Answer

Outer ear (pinna)

Question 10

Damage to which structure in the ear is most likely to result in nerve-induced hearing loss?

Accepted Answer

Hair cells

Question 11

Which concept explains why we can recognize objects as constant even when our sensory input changes (such as size, shape, or colour)?

Accepted Answer

Perceptual constancy

Question 12

A person is able to detect the difference between two weights only when the difference exceeds a certain value. This value is known as:

Accepted Answer

Difference threshold ($$\Delta I)$$

Question 13

Which theory best explains why we can focus on one conversation in a noisy room?

Accepted Answer

Cocktail party effect

Question 14

Which structure in the eye contains photoreceptors responsible for detecting light?

Accepted Answer

Retina

Question 15

Which of the following best describes the function of rods in the retina?

Accepted Answer

Detect black and white, sensitive to movement

Question 16

A person who cannot recognize familiar objects visually, despite having normal vision, is likely suffering from:

Accepted Answer

Visual agnosia

Question 17

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

Accepted Answer

Detecting movement in low light

Question 18

Which part of the ear acts as a mechanical amplifier by containing three tiny bones?

Accepted Answer

Middle ear

Question 19

Which process is responsible for transmitting neural impulses from the ear to the brain?

Accepted Answer

Auditory nerve

Question 20

A person is exposed to a sound that is below their absolute threshold. What is the most likely outcome?

Accepted Answer

They will not be consciously aware of the sound

Sensation and Perception: Study Notes for Psychology

Study Guide - Practice Questions