Figure 2.

Illustration of the self-initiation effect for single attention conditions. Grand-average ERPs at Cz elicited by externally-initiated sounds (black solid line), self-initiated sounds (black dotted line) and the difference waves (externally-initiated minus self-initiated, red line), separately for the single attention conditions Attention Sounds (AS), Attention Motor (AM) and Attention Visual (AV).

Timm et al. BMC Neuroscience 2013 14:2   doi:10.1186/1471-2202-14-2
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