In the brain, a neuron can be ____.
a. excitatory only
b. inhibitory only
c. excitatory or inhibitory, but not inactive
d. excitatory, inhibitory, or inactive
Question 2
In the parallel distributed processing model proposed by McClelland and Rumelhart, the network is made of ____ and the knowledge is represented by the pattern of connections.
a. concepts
b. nodes
c. propositions
d. neuron-like units