id	keyword
ejop-506	infant
ejop-506	group
ejop-506	imitation
ejop-506	mother
ejop-506	grandmothers
ejop-506	infant pairs
ejop-506	interactions
ejop-506	study
ejop-506	kokkinaki
ejop-506	psychology
ejop-506	journal
ejop-506	analysis
ejop-506	model
ejop-506	trevarthen
ejop-506	family
ejop-506	patterns