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In this study, the contribution of early visual cortex activity to conscious and unconscious chromatic processing was studied using single-pulse TMS in three time windows 40\u2013100 msec after stimulus onset in three conditions: conscious color recognition, forced-choice discrimination of consciously invisible color, and unconscious color priming. We found that conscious perception and both measures of unconscious processing of chromatic information depended on activity in early visual cortex 70\u2013100 msec after stimulus presentation. Unconscious forced-choice discrimination was above chance only when participants reported perceiving some stimulus features (but not color).<\/jats:p>","DOI":"10.1162\/jocn_a_00172","type":"journal-article","created":{"date-parts":[[2011,11,30]],"date-time":"2011-11-30T19:48:16Z","timestamp":1322682496000},"page":"819-829","update-policy":"http:\/\/dx.doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":25,"title":["Unconscious and Conscious Processing of Color Rely on Activity in Early Visual Cortex: A TMS Study"],"prefix":"10.1162","volume":"24","author":[{"given":"Henry","family":"Railo","sequence":"first","affiliation":[{"name":"1University of Turku, Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Niina","family":"Salminen-Vaparanta","sequence":"additional","affiliation":[{"name":"1University of Turku, 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