fMRI is a new and exciting method of imaging brains that is based on the physiological observation that
a. the magnetic properties of neurons change as they release neurotransmitters.
b. the magnetic properties of blood changes as a function of the level of oxygen it is carrying.
c. the magnetic resonance of brain regions changes with age and experience.
d. blood flow can be measured directly by the magnetic properties of the vessels containing the blood.
Answer: b.
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According to the research on divided-attention tasks, when people divide their attention between two stimuli,
a. they usually perform very accurately. b. they report that their performance accuracy suffers, but in reality, they simply perform the tasks more slowly. c. they typically make more errors. d. their performance shifts from serial processing to parallel processing.
In order to avoid stigmatizing people with mental disorders,
a. portray successful persons with disabilities as superhuman b. use generic terms such as mentally ill c. emphasize abilities, not limitations d. use terms like crazy or slow-functioning