Both CAT scans and MRIs are neuroimaging techniques that allow us to understand brain structures. While the CAT scan relies on __________, the MRI uses _______ to produce images of the brain
A) radiofrequency waves; radioactive dye and x-rays
B) radioactive dye; x-rays and positrons
C) radioactive dye and x-rays; radiofrequency waves and magnetic fields
D) radioactive positrons; magnetic fields
C
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Which mental disorders have been found to contribute to the greatest number of suicides?
A) mood disorders B) sexual disorders C) personality disorders D) psychophysiological disorders
All of the following is true of scientific reasoning except
a. sixth graders are capable of reasoning from evidence, but they rarely do so spontaneously. b. only the most highly educated adults consistently solved problems using scientific reasoning. c. it is taught explicitly in school and can improve with practice. d. scientific reasoning comes easily to adults.