{An more study ??? 14 NICU ???????? ????? a ????? ??????? ???????? ?????? ??? 46% ??? ??????? ????????? ?? ??????????????? (Johnston, 1997) ???????????? ??????????????? ?????? ???????????? ????????????? ??????? “????????” ??????????????? ??? ?????? ????????????????????????????? ??????????? ???? ?????????? ??????????? ??? ???? a ???? ???????????