Which theory explains that pain messages from different nerve fibers pass through the same neural area in the
spinal cord and that if the gate is "closed" by one pain message, other messages may not be able to pass through?
a. sensory adaptation
b. sensory conflict
c. gate control theory
d. lock and key theory
ANSWER: c
You might also like to view...
Haley and her boyfriend are sexually active, but they are not concerned about contracting STIs. Why are adolescents more vulnerable to STIs compared to older individuals?
A. Adolescents are less likely than older people to use protection against STIs during intercourse. B. Adolescents are more likely to engage in vaginal intercourse, which does not transmit STIs. C. Because adolescents recently went through puberty, their bodies are more prone to infection. D. Adolescents typically have fewer sex partners, which reduces the odds of contracting an STI.
Within-subjects designs reduce variability in the data compared with between-subjects designs.
Answer the following statement true (T) or false (F)
A researcher presents participants with a list of words. She asks the participants to count the letters in the words in Group 1, to come up with rhymes for the words in Group 2, and to produce synonyms for the words in Group 3. Later, she tests the participants' memory for all of the words. From best to worst, which pattern correctly indicates how well words in each group will be remembered?
a. 1, 2, 3 b. 3, 2, 1 c. 3, 1, 2 d. 1, 3, 2
Mammals without cones tend to
A) be blind. B) be nocturnal (active mainly at night). C) eat lots of carrots. D) be totally blind during the night. E) live near the equator.