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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Exp Brain Res. 2014 Sep 9;232(12):4043–4054. doi: 10.1007/s00221-014-4090-y

Fig. 1.

Fig. 1

Experimental protocol of Experiments 1, 2, 3 and 4. Experiments 1, 3 and 4 had participants receive stimulation (15 minutes) before and during the word list-encoding portion of the CVLT. Participants completed spatial 2-back tasks during the CVLT delay periods, which followed the short delay free, recall (SDFR) and long delay free recall (LDFR). Experiment 2 had participants receive stimulation (15 minutes) during the 20 minute spatial 2-back before the LDFR. The forced-choice (FC) recognition portion of the CVLT was not included in Experiments 2, 3 and 4 because participants performed uniformly at ceiling in Experiment 1.