Latest publication: Gray, W. D. and Lindstedt, J. K. (2016). Plateaus, dips, and leaps: Where to look for inventions and discoveries during skilled performance. Cognitive Science, pages 1–33. DOI: 10.1111/cogs.12412.
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http://homepages.rpi.edu/~grayw/pubs/papers/2017/gray17csj.pdf