- Tourette Syndrome Association of Australia Tourette Syndrome is characterised by involuntary, irresistible body movements and vocalisations. Tourette Syndrome affects thousands of Australians. Tourette sufferers are normal in every other way. All we ask is for understanding, tolerance and a chance to be treated as average Australians. (Registered under the Charitable Fundraising Act CFN10232) ...tourette.org.au