Case 6

•Parents stated that development had seemed "normal" until kindergarten, when it became evident that she was a "slow learner" and had difficulty speaking clearly. By second grade, her mental and physical capabilities appeared to be progressively deteriorating, and she could no longer keep up with her peers in a regular classroom. Her special education teachers suggested medical evaluation. •She had 4 siblings, ages 8 to 19 years, all in good health.