The minimum stimulation required to detect a stimulus is a(n) _____, whereas the minimum required to detect the difference between two stimuli is a(n) _____
a. just noticeable difference; difference threshold
b. absolute threshold; difference threshold
c. difference threshold; absolute threshold
d. just noticeable difference; absolute threshold
Answer: B
Rationale: The minimum amount of pressure, sound, light, or chemical required for detection varies among individuals and across the life span; when you add salt to your food, for example, you are attempting to cross one of these that your taste receptors can register.
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Answer the following statements true (T) or false (F)
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An extra chromosome on the 21st pair would cause what?
a. Monozygotic twins c. DZ twins b. Down syndrome d. Nothing out of the ordinary to happen
The taste preferences seen in the newborn
a. are really smell preferences, since taste is not present at birth. b. are likely to change as the brain reaches its final stages of maturity. c. can be modified by experience. d. will remain unchanged throughout life.