Sensation Answers

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__________ enable humans to see and detect the color of different objects.

A
Pain receptors
B
Chemoreceptors
C
Photoreceptors
D
Mechanoreceptors
4

When an individual registers sensory input without being aware of the process consciously, __________ occurs.

A
subliminal stimulation
B
sensory adaptation
C
signal detection processing
D
absolute threshold
5

Briefly describe signal detection theory, and explain what influences our detection of stimuli.

Answer:

Responses may vary but should include some or all of the following information: Signal detection theory predicts how one detects the presence of weak stimuli amidst background noise. Detection of stimuli depends on the intensity of the stimuli, environmental noise, response criteria, physical factors such as fatigue or healthiness, and psychological factors such as motivation or expectations.

10

Briefly describe signal detection theory, and explain what influences our detection of stimuli.

Answer:

Signal detection theory explains how we detect a stimulus when sensory information is mixed with background noise. Detection depends on the stimulus’s strength and our sensory sensitivity, as well as factors such as attention, expectations, motivation, fatigue, and how willing we are to report that we noticed it.

12

__________ enable humans to see and detect the color of different objects.

A
Pain receptors
B
Chemoreceptors
C
Photoreceptors
D
Mechanoreceptors
16

When an individual registers sensory input without being aware of the process consciously, __________ occurs.

A
subliminal stimulation
B
sensory adaptation
C
signal detection processing
D
absolute threshold

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