The 6th GCNN Annual meeting was held in the Hilton Hotel, Vienna, Austria, on 1-4 March, 2009. In this conference a special focus was given to 'Nanomedicine: Nanoneuropharmacology and Nanoneurotoxicity' on 2-3 March, 2009. The 'Nanomedicine Focus' was organized by M Robertson (London, UK) and H Shanker Sharma (Uppsala, Sweden) and was divided into three sessions on 2 March, followed by one session on 3 March. In total, 11 speakers participated in these sessions covering more than 5 h of intensive presentations intermingled with lively discussions from the audience.