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. Author manuscript; available in PMC: 2009 Sep 24.
Published in final edited form as: J Exp Psychol Learn Mem Cogn. 2009 Jan;35(1):196–204. doi: 10.1037/a0014104

Figure 2.

Figure 2

Figure 2

Response time (RT) measures from the Semantic, Perceptual-Semantic, and Perceptual SARTs (Sustained Attention to Response Tasks), across task blocks (N = 243). Panel A: Means of individual subjects’ mean RTs. Panel B: Means of individual subjects’ RT standard deviations. Error bars represent standard errors.