Hedden and his colleagues (2008) examined the brain activity of East Asians and European Americans while they underwent an fMRI

They found that Americans had more brain activity when they were told to pay attention to the box around the line than when they paid attention to the line. Why was there greater brain activity in this condition?
a. Participants' brains had to work harder to perceive objects in a way that was not their typical way.
b. Participants' brains did not have to work very hard to perceive the objects, so they could think about other things, thereby increasing their brain activity.
c. Participants' brains had to work harder because there was more analytic thinking going on.
d. Participants' brains had to work harder because they were making more attributions.

Answer: A

Psychology

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A compelling study of the Pima Indians in Arizona and Mexico was conducted

The Pima Indians who live in Mexico continue to eat a diet that is high in vegetables and low in fat and sugars, while the Pima Indians who live in Arizona eat more like mainstream Americans. Which of the following best describes the result of this study? a. The Mexican Pima Indians have a BMI that is 80% higher than the American Pima Indians. b. The Mexican and American Pima Indians have equal BMIs. c. The American Pima Indians have an average BMI that is 50% higher than the Mexican Pima Indians. d. The study was a hoax to argue that eating a traditional diet was healthier, which is not true.

Psychology

___________ is a chemical that binds to the same receptors on brain cells as do cannabinoids that researchers are using to study how the cannabinoid receptors affect various functions

a. Anandamide b. CBZ c. Acetylcholine d. Serotonin

Psychology