13-16 months of age
Sound localisation to the side,
below and indirect above.
MRL: 25-35 dB.
16-21 months of age
Direct sound localisation to
the side, below, indirect
above.
MRL: 25-35 dB.
21-24 months of age
Locates directly sound at any
angle.
MRL: 25-30 dB.
(Above illustrations and explanations are inspired by Northern, J.L.,
Downs, M.P.: Hearing in Children. 2. ed. William A. Wilkins,
Baltimore, 1978).