Crying in normal infants / Chris Pratt -- "He sounds and looks sore ..." professionals' evaluations of the profoundly handicapped person's pain and distress signals / William Fraser and Dace Ozols -- Original sin and original virtue / Robert Hoogenraad -- Observations on communication problems in normal children / Robert Grieve -- Clinical presentations of retarded language / William Fraser -- Strategic communication in mental retardation / Ivan Leudar -- Behaviour modification in communication deficit / Ian Tierney -- The pragmatics of language and the mentally handicapped--the speech therapist's role / Sheila Wirz -- Broadening the perspectives on communication problems / William Fraser and Robert Grieve