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