PSY 110 Ch. 4 LG 1 .docx - 1 of 3 Chapter 4: Sensation and...

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Chapter 4: Sensation and Perception (25 pts.)
PSY 110
Name: __________________________________________________
1. __________ refers to the minimum amount of stimulus energy required to be detected fifty
percent (50%) of the time.
Answer:
2. Decreased sensitivity to an unchanging stimulus is known as __________.
3. __________ involves the conversion of sensory stimulus energy into neural impulses. 4. __________ occurs when sensory information is organized, interpreted, and consciously
experienced.
5. __________ matches the pattern in our perception of color as we move from short wavelengths to
long wavelengths.
6. The visible spectrum includes light that ranges from about __________.
Answers:
7. The electromagnetic spectrum includes these three (3) things __________.
Answers:
8. The audible range for humans is __________.
9. The quality of a sound that is affected by frequency, amplitude, and timing of the sound wave is
known as __________.
10. The __________ is a small indentation of the retina that contains cones.
11. __________ operate best under bright light conditions.