Despite the 10 percent prevalence of developmental delay,1 theearly identification of such problems remains difficult. Althoughsevere disorders can be recognized in infancy, it is unusualto diagnose speech impairments, hyperactivity, or emotionaldisorders before the age of three or four years, and learningdisabilities are rarely identified before children start school2.Despite the difficulty of diagnosing developmental delay, governmentalefforts have recently been made (as in the 1986 amendments tothe Education of the Handicapped Act) to promote early identificationand intervention and thus to reduce long-term disability3. Inthis article, we shall review the available . . . [Full Text of this Article]
The Benefits of Early Identification
Difficulties in Diagnosing Delay
The History
The Physical Examination
Laboratory Assessment
Developmental Observations
Gross and Fine Motor Development
Language Development
Cognitive Development
Psychosocial Development
Delays in Multiple Areas of Development
Surveillance Tools
Summary
Source Information
From the Department of Pediatrics, Harvard Medical School, Boston (L.R.F., J.S.P.), and the Pediatric Group Associates Program (L.R.F.) and Division of General Pediatrics (J.S.P.), Children's Hospital, Boston.
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