Changes in the vocal qualities of mothers and fathers are related to preterm infant's behavioural states.
Sahar SalibaRana EsseilyManuela FilippaMaya GratierDidier GrandjeanPublished in: Acta paediatrica (Oslo, Norway : 1992) (2020)
More research is needed to know whether other social partners' vocal qualities may also be related to infant behavioural state as such findings would have implications for clinical practice.