electric organ discharge
Sensitivity to novel feedback at different phases of a gymnotid electric organ discharge
... the electric organ discharge (EOD) current of the fish is redistributed to flow over the low-resistance path of the external circuit rather than through the ...
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Electric organ discharge diversity in the genus Gymnotus: anatomo functional groups and electrogenic mechanisms
... generate electric fields from a specialized electric organ (EO) controlled by the nervous system (Lissmann, 1958; Caputi et ...the electric organ discharge (EOD) is affected by ...
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Resolving competing theories for control of the jamming avoidance response: the role of amplitude modulations in electric organ discharge decelerations
... gymnotiform electric fish Eigenmannia emits quasi- sinusoidal discharges from its electric organ, located in the ...of electric organ discharge ...
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Plasticity of the electric organ discharge: implications for the regulation of ionic currents
... Fig. 1. Schematic illustration of the electromotor circuit. (A) Extracellular field recordings from the pacemaker nucleus (PMN) and their relationship to the electric organ discharge (EOD) in ...
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Changes in electric organ discharge after pausing the electromotor system of Gymnotus carapo
... The present study has demonstrated that the EOD of Gymnotus carapo undergoes a variety of changes when the electromotor system is reactivated after a pause. One of the most striking features of these post-pause changes ...
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Effects of social interaction on the electric organ discharge in a mormyrid fish, Gnathonemus petersii (Mormyridae, Teleostei)
... discharging electric fish (family Mormyridae) use their self-generated electric signals [electric organ discharges (EODs)] and their electroreceptive abilities for orientation and ...
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The electric organ discharge of pulse gymnotiforms: the transformation of a simple impulse into a complex spatio temporal electromotor pattern
... An understanding of how the nervous system processes an impulse-like input to yield a stereotyped, species-specific electromotor output is relevant for electric fish physiology, but also for understanding the ...
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The energetics of electric organ discharge generation in gymnotiform weakly electric fish
... Weakly electric fish generate an electric signal to sense their environment and communicate with conspecifics over their entire ...of electric fish is responsible for 60% of resting energy ...
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Electroreception in Gymnotus carapo: pre receptor processing and the distribution of electroreceptor types
... Fig. 7. Local fields associated with the self-generated electric organ discharge (LEOD) at the fovea (A,B) and on the trunk (C,D). LEODs were recorded with vertical and longitudinal orthogonal ...
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Differences in electrosensory anatomy and social behavior in an area of sympatry between two species of mormyrid electric fishes
... Fig. 2. Electric organ discharge (EOD) waveforms were more variable among Gnathonemus victoriae than Petrocephalus degeni. (A) EOD waveforms of P. degeni and G. victoriae captured in Lwamunda Swamp. ...
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Electrocyte physiology: 50 years later
... Weakly electric gymnotiform and mormyrid fish generate and detect weak electric fields to image their worlds and ...multi-purpose electric signals are generated by electrocytes, the specialized ...
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Encoding phase spectrum for evaluating ‘electric qualia’
... self-generated electric fields are relevant in pulse-emitting Mormyriformes for species and sex identification (Hopkins and Baas, 1981; Hopkins, 1986) and also to discriminate object impedance (von der Emde, ...
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Chirping and asymmetric jamming avoidance responses in the electric fish Distocyclus conirostris
... weakly electric knifefish is a behavioral strategy thought to minimize deleterious interference caused by co-occurring signals (Watanabe and Takeda, 1963; Rose, ...Weakly electric fish generate weak ...
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Beyond the Jamming Avoidance Response: weakly electric fish respond to the envelope of social electrosensory signals
... weakly electric fish respond to artificially constructed electrosensory envelopes, but the behavioral relevance of such stimuli is ...pseudo-sinusoidal electric fields can generate ʻsocial ...own ...
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Electrocommunication signals in free swimming brown ghost knifefish, Apteronotus leptorhynchus
... Brown ghost knifefish, Apteronotus leptorhynchus , are a species of weakly electric fish that produce a continuous electric organ discharge (EOD) that is used in navigation, prey capture and ...
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Waveform discrimination, phase sensitivity and jamming avoidance in a wave type electric fish
... The electric organ discharge (EOD) of most species of the freshwater knifefishes (Gymnotiformes) of South America is of the wave, not the pulse, ...
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Development and regeneration of the electric organ
... the electric organ after amputation of the tail, we have shown that the large electrocytes of the weakly electric teleost Sternopygus derive from the fusion of numerous smaller muscle ...
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Electric organ discharges and electric images during electrolocation
... fish’s discharge and ...reconstruct electric images resulting from external objects and the fish’s exploratory ...behaviors. Electric images depend on many variables, including the fish’s EOD, the ...
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Waveform generation in the weakly electric fish Gymnotus coropinae (Hoedeman): the electric organ and the electric organ discharge
... We used two recording procedures: (1) the longitudinal head to tail EOD (htEOD) fields, recorded using two silver/silver chloride electrodes, each placed on the middle line of the tank at different distances (steps of 4 ...
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Experimental Study of Electric and Spectroscopic Characteristics of Electric Discharge in LPG
... The electric and spectroscopic characteristics of electric discharge have been used to explore the discharge me- chanisms in ...the discharge volume of the active species of secondary ...
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