Name and describe two different methods for measuring brain function (not anatomy).
What will be an ideal response?
PET scan: Uses an injection of a radioactive substance that, as it decays, produces gamma rays that are detected outside of the head. Greater radioactivity in a particular area indicates greater blood flow to that region.fMRI: The presence of hemoglobin with oxygen acts differently in a magnetic field than hemoglobin without oxygen. Because active areas of the brain use more oxygen, these areas can be detected by MRI equipment that is sensitive to these magnetic differences.
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What is the allostatic load?
What will be an ideal response?
Random assignment, a defining feature of an experiment, means that participants
a. select the particular experimental manipulations they wish to experience. b. are chosen randomly from the population of interest. c. have an equal chance of being in any of the conditions. d. are assigned to groups on the basis of their pre-existing differences.
Briefly describe how LTP occurs, including how glutamate and its receptors are involved
What will be an ideal response?
How many hours of sleep do medical authorities recommend getting each night?
a. 5 to 6 hours b. 7 to 9 hours c. 10 to 11 hours d. 12 hours