In conditioned fear research with rats, which of the following might be used by the experimenters as a conditioned response?
a. working to postpone an electric shock
b. increased salivation
c. reductions in working for food
d. increases in working for food
Question 2
The end result of PKA activation over time appears to be
a. decreased numbers of synaptic terminals on sensory neurons.
b. increased numbers of synaptic terminals on sensory neurons.
c. decreased numbers of postsynaptic receptors.
d. increased numbers of postsynaptic receptors.