Opposing views regarding the connection between lead exposure and cognitive impairment are presented. C. B. Ernhart states that no study has yet proved that low-level lead exposure is detrimental to child development, while H. L. Needleman asserts that previous research studies have proven conclusively that such a connection exists. (CB)

This article introduces four papers (and responses to them) originally given at an April 1990 conference on the identification and treatment of dyslexia. Noted is the lack of consensus on what dyslexia is, how the condition comes to be, and what the nature of educational intervention ought to be, though developmental views are seen to predominate.…