*Dear Colleagues,* *On behalf of BCCCD17 organizing committee, I would like to remind you the deadlines regarding the submissions. Paper and symposia submission will close on September 11, and poster submission will close on October 10. Please visit the conference website for more information about the program and submission instructions: http://www.bcccd.org/ <http://hirlevelcenter.eu/click.php?hirlevel_id=14712039185995&url=http%3A%2F%2Fwww.bcccd.org%2F>* *BCCCD is the only annual conference entirely focused on cognitive development in Europe. We welcome all the submissions within this research field. Past BCCCD conferences included presentations on topics such as comparative cognition, cognitive bases of culture, conceptual learning, early social cognition, language, numeracy, or object cognition.* *Looking forward to your submissions,* *The BCCCD17 Organizing Committee* *Frances Buttelmann, Gábor Bródy*Conference chairs