One Limitation of What We Can Learn Through the Single-Cell

Multiple Choice

One limitation of what we can learn through the single-cell recording technique is that

A) it is often difficult to determine the baseline activity level of a single neuron.
B) patterns of activity among groups of neurons may describe the function of a brain area better.
C) the receptive field of a single neuron changes as the brain develops.
D) single-cell recording is effective only in exploring the primary sensory cortex.