What aspects of others' behaviors do infants attend to in live situations?

A head-mounted camera was used for studying infant focus of attention. In two situations, 10- and 14-month-old infants observed two adults interacting. In one situation, the adults had a conversation and in the other situation, they were playing with blocks. The results indicate a preference for observing manual actions and a different pattern in looking at conversations than has been shown in eye-tracking studies. The head-mounted camera is a promising method for examining the infant's focus of attention.