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. 2017 Jan 24;11:2. doi: 10.3389/fnsys.2017.00002

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Copyright © 2017 Eggermont.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Transition of a negative to a positive summating potential (SP⁺) with increase in tone burst frequency. In some ears, a quite sudden change in the sign of the SP may be observed. In this example, a change occurs between 4750 Hz and 5175 Hz. This type of transition from SP⁻ to SP⁺ typically occurs between 4 kHz and 8 kHz. From Eggermont (1976c).