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. Author manuscript; available in PMC: 2021 Feb 26.
Published in final edited form as: Cortex. 2019 Oct 1;121:322–331. doi: 10.1016/j.cortex.2019.09.006

Fig. 2. Experimental procedure.

Fig. 2

Schematic design of the experimental procedure of Experiment 1 (A – up panel) and Experiment 2 (B – bottom panel). Dotted line represents the timeline. The superficial right median nerve stimulation is the go-signal, transcranial magnetic stimulation (TMS) is the conditioning stimulus and pressing a pedal with the right foot represents the response. The time between go-signal and conditioning stimulus is defined as interstimulus interval (ISI), while the one between go-signal and response is the Reaction Time (RT) exploited as dependent variable of the analysis. The dice is exploited as a symbol of randomization.