TY  - GEN
AU  - Yato,Yuko
AU  - Kawai,Masatoshi
AU  - Negayama,Koichi
AU  - Sogon,Shunya
AU  - Tomiwa,Kiyotaka
AU  - Yamamoto,Hatsumi
TI  - Infant responses to maternal still-face at 4 and 9 months
SN  - 1934-8800
PY  - 2009///0811
KW  - Age Factors
KW  - Facial Expression
KW  - Female
KW  - Humans
KW  - Infant
KW  - Infant Behavior
KW  - physiology
KW  - Longitudinal Studies
KW  - Male
KW  - Maternal Behavior
KW  - Mother-Child Relations
KW  - Reaction Time
KW  - Verbal Behavior
N1  - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1016/j.infbeh.2008.07.008
ER  -