High-frequency electrical tuning and linear filter properties of Knollenorgan electroreceptors of mormyrid electric fish.

ABSTRACT: Electrical tuning allows auditory, vestibular, and electrosensory receptor cells to filter sensory signals and selectively transmit specific stimulus frequencies. In auditory hair cells, electrical tuning results from membrane potential resonance produced by voltage-gated Ca and K(Ca) channels, with variable kinetics that generate different tuning properties. Such resonance has been observed only up to ∼1 kHz, however. Additionally, in most species that employ electrical tuning, hearing is constrained to this relatively low-frequency range, raising the question of whether electrical tuning can extend to higher frequencies. Here we investigated this possibility by studying tuning and transduction properties of Knollenorgans, a class of tuberous electroreceptors of mormyrid electric fish. Th

SUBMITTER: Raman IM 

PROVIDER: S-EPMC12645553 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature