Why do the higher functions fail to develop in an abnormal child? Not
because the defect directly impedes them or makes their appearance
impossible...Underdevelopment springs from what we might call the isolation
of the abnormal child from his collective.
(Vygotsky, 1993, p. 199)
Kelleen Toohey, Associate Professor
Faculty of Education, Simon Fraser University, Burnaby, BC V5A 1S6
ph. 604-291-4418 FAX 604-888-4623