ABSTRACT

Over the next six months their attempt to locate the sound matures, head and neck control improves and the ability to sit is developed. By the age of six or seven months they turn immediately towards the parent’s or carer’s voice and visually engage. By the age of nine months they begin to search for very quiet sounds made out of sight and make precise attempts to locate them. At this stage an infant is able to distinguish meaningful sounds, such as the parent’s or carer’s voice.