The space between the layers of the meninges is filled with
a. neurotransmitters.
b. potassium ions.
c. sodium ions.
d. cerebrospinal fluid.
e. a clear liquid high in protein.
d. cerebrospinal fluid.
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Researchers using PET or fMRI find that a certain brain area becomes highly active while people are frightened. Later they measure activity in that area for many people, and identify the people with the highest activity. What, if anything, can we conclude about those people based on this evidence? a. Those people were frightened at the time of the measurement
b. Those people have a tendency to become frightened easily. c. Those people were excited in some other way at the time of the measurement. d. We cannot draw any of these conclusions.
Computer simulations and expert systems provide good examples of which of the following?
a. proxemics b. artificial intelligence c. executive processing d. automatic processing
During a study that used the Asch procedure, subjects' brains were scanned using fMRI. When subjects resisted group pressure, activity increased in the areas of the brain involved in ____
a. strong emotion c. language comprehension b. spatial awareness and perception d. parasympathetic division activation
The percentage of adolescents that consumed the recommended five or more servings of fruits or vegetables daily has
increased over the past decade. remained stable over the past decade. decreased over the past decade. increased for fruits but decreased for vegetables over the past decade.