1. ENS sélection internationale and normalien étudiant tracks
The Ecole Normale Supérieure offers many scholarships for international students, as explained in our page "ENS double degree and scholarship".
This track offers 5 years of funding for a full PhD program, including courses from the Master in Cognitive Science, internships, and a PhD in one of the labs of the Department of Cognitive Studies.
3. Scholarships from your country of origin
Many countries offer scholarships to help funding studies abroad. The list below is far from complete.
3.1. Fulbright Scholarships (USA)
For US students aiming to study in France.
Deadline: October in the year preceding application.
http://us.fulbrightonline.org/overview.html
3.2. CIEE, Council on International Education Exchange (USA)
For US students aiming to study in France.
http://www.ciee.org/study/scholarships/
3.3 China Scholarship Council (P. R. China)