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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Mult Scler. 2016 Sep 9;23(6):836–847. doi: 10.1177/1352458516666186

Figure 1.

Figure 1

I/DMT creates variation in working memory demands by changing the number of digits per stimulus (3, 5 or 7) to alter task difficult, in addition to changing the working memory delay (0.5 vs. 3.5 Sec.). Both are varied parametrically.