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Keywords: electric organ discharge
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Journal Articles
In collection:
Neuroethology
J Exp Biol (2019) 222 (11): jeb195354.
Published: 11 June 2019
...Virginia Comas; Kim Langevin; Ana Silva; Michel Borde ABSTRACT South American weakly electric fish (order Gymnotiformes) rely on a highly conserved and relatively fixed electromotor circuit to produce species-specific electric organ discharges (EODs) and a variety of meaningful adaptive EOD...
Journal Articles
J Exp Biol (2018) 221 (17): jeb178913.
Published: 10 September 2018
...) is a behavioral strategy thought to reduce electrosensory interference from conspecific signals close in frequency. We used playback experiments to characterize electric organ discharge frequency (EODf), chirping behavior and the JAR of Distocyclus conirostris , a gregarious electric fish species. EODs of D...
Journal Articles
J Exp Biol (2018) 221 (15): jeb178244.
Published: 13 August 2018
... to stimuli arising from different contexts, by measuring changes in the electric organ discharge (EOD) frequency. Specifically, we focused on envelopes, which can arise either because of movement (i.e. motion envelopes) or because of interactions between the electric fields of three of more fish (i.e. social...
Journal Articles
J Exp Biol (2013) 216 (13): 2365–2379.
Published: 1 July 2013
... electric organ discharge Neurons transmit information with trains of action potentials, or spikes. The relationship between spikes and the information they represent is referred to as a neural code ( Perkel and Bullock, 1968 ). Information can be encoded in the spike trains of single neurons...
Journal Articles
J Exp Biol (2013) 216 (13): 2451–2458.
Published: 1 July 2013
... that produce the electric organ discharge (EOD). Just over 50 years ago the first experimental analyses of electrocyte physiology demonstrated that the EOD is produced and shaped by the timing and waveform of electrocyte action potentials (APs). Electrocytes of some species generate a single AP from a distinct...
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J Exp Biol (2007) 210 (13): 2244–2252.
Published: 1 July 2007
...Ryan Y. Wong; Carl D. Hopkins SUMMARY Mormyrid electric fish rely on the waveform of their electric organ discharges (EODs) for communicating species, sex, and social status, while they use the sequences of pulse intervals (SPIs) for communicating rapidly changing behavioral states and motivation...
Includes: Supplementary data
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Journal Articles
J Exp Biol (2003) 206 (8): 1353–1362.
Published: 15 April 2003
...Philip K. Stoddard; Michael R. Markham; Vielka L. Salazar SUMMARY The gymnotiform electric fish Brachyhypopomus pinnicaudatus communicates with a sexually dimorphic electric waveform, the electric organ discharge (EOD). Males display pronounced circadian rhythms in the amplitude and duration...
Journal Articles
J Exp Biol (2002) 205 (16): 2525–2533.
Published: 15 August 2002
...Stefan Schuster SUMMARY Gymnotiform weakly electric fish find their way in the dark using a continuously operating active sensory system. An electric organ generates a continuous train of discharges (electric organ discharges, EODs), and tuberous high-frequency electroreceptors monitor the pattern...
Journal Articles
J Exp Biol (2001) 204 (8): 1401–1412.
Published: 15 April 2001
...Stefan Schuster ABSTRACT Weakly electric fish of the pulse type electrolocate objects in the dark by emitting discrete electric organ discharges (EODs) separated by intervals of silence. Two neighbouring pulse-type fish often reduce the risk of discharging simultaneously by means of an ‘echo...
Journal Articles
Journal Articles
J Exp Biol (1999) 202 (10): 1185–1193.
Published: 15 May 1999
... by the electroreceptors. We have therefore focused on reconstructing both the electric organ discharges (EODs) and the electric images resulting from nearby objects and the fish’s exploratory behaviors. Here, we review results from a combination of techniques, including field measurements, numerical and semi-analytical...
Journal Articles
Journal Articles
J Exp Biol (1999) 202 (10): 1387–1398.
Published: 15 May 1999
...Bernd Kramer ABSTRACT The electric organ discharge (EOD) of most species of the freshwater knifefishes (Gymnotiformes) of South America is of the wave, not the pulse, type. Wave EODs are usually of constant frequency and amplitude, and show a bewildering multitude of species-characteristic...
Journal Articles
J Exp Biol (1999) 202 (10): 1399–1407.
Published: 15 May 1999
... described by Elekes and Szabo (1985) . * e-mail: grant@iaf.cnrs-gif.fr 15 02 1999 21 04 1999 © 1999 by Company of Biologists 1999 electric fish motor command electric organ discharge precommand nucleus mormyrid Gnathonemus petersii The electric organ...