H J Boelen

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Ten patients with the Alzheimer's disease and a mild hearing loss were tested with an audiotape with speech discrimination tests. The low frequency sounds on this audiotape had a delay of respectively 1, 2, 3 and 4 milliseconds with regard to the high frequency sounds. With a delay of 3 milliseconds the patients had a significant improvement in their speech(More)
For the recording of action potential in the auditory nerve two different methods of preparation were used in order to reach at the auditory nerve of experimental animals. The remarkable fact arose that this difference in preparation also produced a difference in signal output during the hypoxygenation experiments. In the one method a solitary P1 peak--the(More)
An explanation is given why the recorded action potentials of the cochlea manifest themselves in the complex N1N2-form. The separate AP of the nerve fibers are not diphasic but triphasic in form. With algebraic addition of the, in different phase, AP present in the auditory nerve the N1N2 complex originates. This is illustrated by the observed form changes(More)
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