“…70ff. ;Chap pell and Sander, 1979, p. 107;Clark, 1978, p. 237;Harding, 1982;Hopkins, 1983;Newson, 1977Newson, , 1978Newson, , 1979Packer, 1983;Schaf fer, 1977], The ability to communicate is learned through the parent's use of the in fant's own spontaneous expressions of feel ings and other behaviors, prone to be social, as a basis for his or her own communication. Certain infant behaviors are thus given, through the 'as if condition, a context of social interaction eventually making them meaningful also to the infant.…”