Question 1

According to the concept of absolute threshold, what is the minimum amount of stimulation required for an organism to detect a stimulus?

Accepted Answer

The minimum amount detected 50% of the time

Question 2

Which formula best represents Fechner’s Law for subjective sensation?

Accepted Answer

$$S = k \log(I)$$

Question 3

A person is exposed to two weights: 500g and 505g. According to Weber’s Law, what does the just noticeable difference (JND) depend on?

Accepted Answer

The percentage difference relative to the initial weight

Question 4

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

Accepted Answer

The conversion of sensory input into electrochemical signals

Question 5

In signal-detection theory, which outcome occurs when a stimulus is present and the subject correctly identifies it?

Accepted Answer

Hit

Question 6

Which physical property of sound is most closely related to the perception of pitch?

Accepted Answer

Frequency

Question 7

Refer to the diagram of the basilar membrane. According to place theory, where are high-frequency sounds detected?

Accepted Answer

At the narrow, stiff end near the oval window

Question 8

A person exposed to a loud rock concert experiences ringing in their ears afterward. This is most likely an example of:

Accepted Answer

Nerve deafness

Question 9

Which pathway correctly describes the transmission of olfactory information?

Accepted Answer

Olfactory cilia → neural impulse → olfactory nerve → olfactory bulb

Question 10

Which of the following is NOT one of the five basic tastes detected by taste buds?

Accepted Answer

Spicy

Question 11

Which sensory system is responsible for monitoring the position of the body’s joints and muscles?

Accepted Answer

Kinesthetic system

Question 12

According to gate-control theory, what can block ascending pain signals in the spinal cord?

Accepted Answer

Descending neural pathways

Question 13

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

Accepted Answer

Cornea

Question 14

A person with myopia has difficulty seeing distant objects clearly. Which of the following best explains this condition?

Accepted Answer

The cornea or lens bends too much light, or the eyeball is too long

Question 15

Which theory explains the phenomenon of afterimages in vision?

Accepted Answer

Opponent-process theory

Question 16

Which Gestalt principle is illustrated when humans perceive objects that are close together as belonging to a group?

Accepted Answer

Principle of proximity

Question 17

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

Accepted Answer

Retinal disparity

Question 18

Which cells in the retina are responsible for color and daylight vision?

Accepted Answer

Cones

Question 19

Which process describes the gradual decline in sensitivity due to prolonged stimulation?

Accepted Answer

Sensory adaptation

Question 20

Which equation best represents Weber’s Law for the just noticeable difference (JND)?

Accepted Answer

$$\Delta I = kI$$

Sensation and Perception: Foundations of Psychological Experience

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