At Camp Seafarer in North Carolina, we had to tread water while singing camp songs. Then, to make it harder, we had to tread water while also wiggling our forefingers in complicated patterns to the beat of the song. You haven’t really memorized your talk thoroughly until you can do an entire other activity that requires mental energy while giving your talk. Can you give your talk while measuring out the ingredients to make brownies? Can you give your talk while filing all the messy papers on your desk into a file cabinet? If you can give your talk while the cognitive load is that high on your
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