The Boel test is a behavioral test that can provide information not only on hearing the child, but also on his hearing and mobility. The term "Boel" is an acronym derived from a phrase in Swedish, meaning in Italian is "look after sound stimulus orientation." The ideal age for execution ranging from 7 to 9 months, which in the preterm baby should be calculated from 40 weeks postconcezionali. It only takes an environment as possible quiet. 
The equipment used is very simple: stick a red (gripper) and two rotating concentric rings (spinner), to draw attention to visual two pairs of silver bells (balls and bells ) that emit sounds with frequencies between 4,000 and 12,500 Hz and an intensity of not more than 45 decibels at 20 cm from the source sonora.Il child sits on the knees of the mother or the person accompanying him, the equipment used is very simple and it is designed to capture children's attention: they are four sound sources and two visual stimuli, on average 15 minuti sono suffucienti per l'esecuzione del test.
The equipment used is very simple: stick a red (gripper) and two rotating concentric rings (spinner), to draw attention to visual two pairs of silver bells (balls and bells ) that emit sounds with frequencies between 4,000 and 12,500 Hz and an intensity of not more than 45 decibels at 20 cm from the source sonora.Il child sits on the knees of the mother or the person accompanying him, the equipment used is very simple and it is designed to capture children's attention: they are four sound sources and two visual stimuli, on average 15 minuti sono suffucienti per l'esecuzione del test. 
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