<p>Long before the infant can comprehend language or speak a single word, it has a repertoire of signals to communicate its internal states. Experimental studies suggest the infant is endowed immediately after birth with a readiness to differentiate the mother’s voice from a non-mother voice (Fifer and Moon, 1994). During this fundamental period, the child’s innate neoverbal abilities are hugely influenced by social and emotional factors. Developments occur due to dialogic “face engagements where the emotionally-attuned mother shares in and articulates the child’s emotional state.&nbsp; In these experiences, the infant reads the mother’s face for positive emotions, appraisals of relevant and interesting interactions and events.&nbsp;&nbsp;</p><p>By Approximately one year of age comes the emergence of single word speech. At this stage, the infant increasingly attends to both the visual and auditory stimulation of his caretakers’ faces. The visual information received from faces is utilized in speech perception (Green &amp; Kuhl, 1989).</p>