The following article requires a subscription:

(Format: HTML, PDF)

The normal feedback infants receive from their mothers in face-to-face interaction was distorted by having the mothers face their infants but remain facially unresponsive. The infants studied reacted with intense wariness and eventual withdrawal, demonstrating the importance of interactional reciprocity and the ability of infants to regulate their emotional displays.

Copyright 1978 (C) American Academy of Child and Adolescent Psychiatry