AUTHOR=Gotow Tsukasa , NISHI Takako TITLE=A new photosensory function for simple photoreceptors, the intrinsically photoresponsive neurons of the sea slug Onchidium JOURNAL=Frontiers in Cellular Neuroscience VOLUME=3 YEAR=2009 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/neuro.03.018.2009 DOI=10.3389/neuro.03.018.2009 ISSN=1662-5102