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. 2011 Sep 26;6(9):e25283. doi: 10.1371/journal.pone.0025283

Figure 5. Enhancement and depression in premovement activity by multisensory stimuli.

Figure 5

(A) Examples of neurons showing enhanced or depressed premovement activity for contraversive movement under audiovisual (AV) stimulus condition compared with those under visual (Vis) and auditory (Aud) stimulus conditions. MSI (multisensory modulation index, see Methods) in the premovement period for each neuron is shown. (B) Graphs show the distributions of MSIs in the premovement period for the ipsiversive and contraversive movements. (C) Mean MSI divided into cell type groups and directions of the movements, showing significant deviation from zero in some cell types (* p<0.05, ** p<0.01, *** p<0.001 in t-test).