In most PET and functional MRI studies of cognitive processes, the signal-to-noise ratio is increased by
A) subtraction.
B) addition.
C) signal averaging.
D) signal splitting.
E) multiplication.
Answer: C
You might also like to view...
The ability to direct one's awareness is referred to as what?
What will be an ideal response?
A researcher goes to great lengths to ensure that the proportion of males and females in his study matches the proportion of males and females nationally. He is selecting a ______ sample
a. random b. controlled c. biased d. representative
Reese had been exposed to alcohol in his home since he was small because his father was an alcoholic. When Reese went to college, he joined a fraternity and began to engage in ___________, having five or more drinks in one sitting, on a weekly basis
a. social drinking b. binge drinking c. light drinking d. drinking to pass out
Which of the following statements spoken by a preschooler reflects early childhood egocentrism?
A. "I like candies and cookies because they are sweet." B. "My sister is scared of dogs." C. "The sun disappears at night so that I can sleep." D. "The stars shine brightly at night."