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. 2017 Sep 20;4:67. Originally published 2015 Mar 13. [Version 3] doi: 10.12688/f1000research.6175.3

Figure 2. Discrete stages in contact call exchange.

Figure 2.

In accordance with the model, the original function of the ADS is for the localization of and the response to contact calls that are exchanged between mothers and their infants. When an infant emits a contact call ( A), the mother identifies her offspring’s voice (B1) localizes the call (B2) and maintains this information in visual working memory. Then, if the corresponding face is absent in that location (B3), the mother emits a contact call in return ( C).