Answers are grounded in this paper and cite their sources.
If we naively, simply scale up the brain—more of the same—we would not necessarily have a brain that is qualitatively better. Taking the analogy from visual ecology—the eagle—it could just see better at greater heights (Snyder and Miller, 1978)—more of the same!
No takes yet. Share an insight, caveat, or question.
Gobet et al. (2014) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: