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Unformatted text preview: among two possibilities. b) an observer is only forced to choose if they believe they know the correct answer. c) the point of subjective equality is unrelated to the performance threshold. d) the point of subjective equality is determined by the researcher, not the observer. 5. Functional magnetic resonance imaging (fMRI) most directly measures: a) Blood oxygen levels. b) The occurrence of action potentials. c) The occurrence of graded potentials. d) The concentration of a radioactive marker. Example Short Answer 1. (8 points) Define the following terms: Transmitter substance Synapse Action potential Depolarization 2. (4 pts.) A person suffers an injury due to an automobile accident. An examination reveals that the auditory nerve axons from the end of the cochlea closest to the stapes have been severed. This occurred only in the left ear. Name two ways in which this could affect his or her hearing (by this I mean two perceptual consequences)....
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- Spring '08