Interacoustics PA5 - Page 15

PA5 Operation Manual
Page 13
3-4 months of age
Rudimentary head turn,
horizontally.
MRL: 50-60 dB.
4-7 months of age
Sound localisation to the side
only, not above or below eye
level.
MRL: 40-50 dB.
7-9 months of age
Sound localisation to the side
and
Indirect
MRL: 30-40 dB.
below. (Not above).
9-13 months of age
Sound localisation to the side
and
direct
below.
MRL: 25-35 dB.