What is IASSID?
The International Association for the Scientific Study of Intellectual Disabilities (mental retardation and related developmental disabilities) is an international and interdisciplinary scientific non governmental organization with official relations with the World Health Organization. It promotes worldwide research and exchange of information on intellectual disabilities. The association (originally named the International Association for the Scientific Study of Mental Deficiency) was founded in 1964 and has sponsored eleven World Congresses. IASSID is the first and only world-wide group dedicated to the scientific study of intellectual disability.

The President of IASSID is Prof. David Felce.

Prof. David Felce
Welsh Center for Learning Disabilities
University of Wales
College of Medicine
Meridian Court
North Road
Cardiff CF14 3BG
WALES
UK
felce@cardiff.ac.uk