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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Neuroimage. 2010 Feb 4;52(3):1135–1147. doi: 10.1016/j.neuroimage.2010.01.102

Figure 1.

Figure 1

Experimental paradigms. For each paradigm, two blocks of stimuli were used each with stimulation frequency of 5Hz. (a) Stimulation sequences for paradigm 1. The conditioning block has a variable duration of 2s, 8s and 16s respectively. The probing block has a fixed duration of 1s. The IBSI varies from 0.6s to 1, 2, 3, 4, 6 and 8s. (b) Stimulation sequences for paradigm 2. The conditioning block has a variable duration of 2s, 4s, 8s and 16s respectively. The probing block has a fixed duration of 2s. The IBSI is also fixed at 2s.