“…In early studies, severely malnourished children stayed in hospital for long periods (Yaktin and McLaren, 1970;Cravioto, 1977) when they received play activities regularly by professionals. The children showed only transient developmental benefits (McLaren et al, 1973;Cravioto and Arrieta, 1979). Possible reasons were that long hospital stays have a detrimental effect on children's emotional development, and mothers were not involved with the stimulation.…”