The present volume is based on the proceedings of the Advanced Study Institute (ASI) sponsored by the North Atlantic Treaty Organization (NATO). The Institute was conducted at the beautiful Chateau de Bonas, near Toulouse, France in October, 1991. A number of scholars from different countries participated in the two-week institute on differential diagnosis and treatments of reading and writing problems. The accepted papers for this volume are divided into three sections: (a) Differential diagnosis of reading disabilities; (b) Access to language-related component processes; and (c)...