sentence: In line with the finding of enhanced ERPs evoked by stimuli mainly recruiting the parvocellular pathway , enhanced unimodal perception in the modality of the concurrent ( which was vision or tactile sensation ) has been reported in synesthetes ( Banissy et al ., 2009 ) which provides further evidence for the idea of a generally altered early unimodal processing and fits to the enhanced early N1 component over visual cortex found in our study.Alterations of the N1 over occipitotemporal sites have been shown in grapheme-color synesthetes when exposed to numbers inducing synesthetic colors , which could either be congruent or incongruent to the meaning of a preceding sentence ( Brang et al ., 2008 ; Brang et al ., 2011 ) .