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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Brain Stimul. 2013 Nov 16;7(2):234–242. doi: 10.1016/j.brs.2013.11.004

Figure 3. SPDPA varies between individuals but is stable over time, group-level analysis.

Figure 3

Topographical plots showing results of cluster analyses comparing delay-period spectral power between- and within- subjects. In each plot, black squares highlight electrodes exhibiting significant differences in delay-period spectral power. (A) Illustrates differences between the 16 subjects participating in (Study 1); (B) illustrates within-subject differences from five of these original subjects, plus five additional, who performed the STM task on two separate occasions, thereby giving an empirical estimate of test-retest reliability (Study 2).