How do parallel fibers in the cerebellum control the duration of a response?
a. By determining the number of Purkinje cells that fire in sequence
b. By altering the velocity of action potentials from Purkinje cells
c. By determining which one of all the available Purkinje cells becomes active
d. By passing information back and forth between one Purkinje cell and another
b
You might also like to view...
Rachel has been using a non-prescription drug on a regular basis for several years. She has now developed liver disease and ulcers, and she has been in three car accidents. It is MOST likely that Rachel is a chronic user of
a. LSD. b. marijuana. c. sedatives. d. alcohol.
In one of the first social psychological experiments ever conducted, researcher Norman Triplett examined the records of teams of cyclists. He found that cyclists who raced against each other ____ than those who raced alone (against the clock)
a. were more aggressive after the race b. got into more accidents c. cycled more quickly d. enjoyed the race less
What is the defining event that marks the onset of semenarche?
a. initial production of sperm b. first ejaculation c. initial production of testosterone d. first sign of pubic hair
Group cohesiveness is particularly strong for groups to which a person identifies and to which one attributes positive characteristics. These groups are called __________ groups
a. ascribed b. in- c. status d. achieved