Dyslexia and Brain Scans

Jack Ferguson
307 E. Evergreen
San Antonio, TX 78212
(210) 826-6727


This is a critical examination of the theoretical foundation of brain scan experiments conducted by Dr. Posner on phonological dyslexics as stated in his book Images of Mind. The design did not control crucial variables such as emotional blocking or phonic choice. The experiments point to orthographic rather than phonological dyslexia.

Full paper, PDF
©Copyright, Jack Ferguson, Jan. 2001