Answers are grounded in this paper and cite their sources.
2 " Functional" in the sense of external or extrinsic behavior; " structural" In the sense of the processes involved (the intrinsic aspect).
No takes yet. Share an insight, caveat, or question.
A. B. Blankenship (1938) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: