Hearing Test Box For Use With Young Children
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CUSTOM ADAPTATION PURPOSE: To enable the hearing of very young children to be tested for range and degree of hearing loss. Designed to test children from seven months to three years of age, the test box is used in Visual Reinforcement Audiometry. This testing method involves teaching the child to turn his/her head when a special sound is heard and reinforcing this by showing a moving toy or puppet in a lighted window. Because the child enjoys the toy show, he/she will turn his/her head even if the sound is only softly heard. By altering the frequency and intensity of the sounds, the tester can determine how much and how well the child can hear across a range of frequencies. The test box is constructed of medium density fiberboard and has three square compartments stacked vertically, with a plinth at the bottom containing electrical components. At the front of the side panels is a slot that accepts a sheet of tinted perspex to conceal the contents of each compartment unless the internal light is on. The perspex cover can be removed so the toys can be replaced as needed. Each compartment contains a light and a power socket for plugging in the toy; the light and the toy operate simultaneously, causing the toy to move as soon as the light comes on. The lights and toys are operated by remote, enabling the tester to switch on any one or all three compartments. DIMENSIONS: The boxes are 350 centimeters square. COLOR: The box is painted black to minimize visibility in a darkened room. TITLE: Hearing Test Box. JOURNAL: TAD Journal. REF: Vol 23 no 1, Autumn 2003: p. 12-13. PAGES (including cover): 3 2003.