[PDF] Top 20 Active electrolocation of objects in weakly electric fish
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Active electrolocation of objects in weakly electric fish
... Electric fish orient in complete darkness by analysing the electric image that objects project onto their skin surface ...the fish where the object is located, relative to its own body ... See full document
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Distance, shape and more: recognition of object features during active electrolocation in a weakly electric fish
... of objects appear on the retinas of the two eyes, each of which is focused by the lens and ...electrosensory fish to perceive their surroundings through their electric sense (Hopkins, 2005), and is ... See full document
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Active electrolocation in pulse gymnotids: sensory consequences of objects’ mutual polarization
... the electric image of another placed at the foveal region in Gymnotus ...on electric images were also depicted using behavioral ...that objects whose electric image is not detectable may ... See full document
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Estimation of distance and electric impedance of capacitive objects in the weakly electric fish Gnathonemus petersii
... During active electrolocation, the weakly electric fish Gnathonemus petersii judges the distance and impedance of nearby ...Capacitive objects, which modulate local amplitude and ... See full document
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The electric image in weakly electric fish: physical images of resistive objects in Gnathonemus petersii
... 0.8 cm×0.8 cm) was placed on the outside surface of the skin. A silver wire, insulated except at the tip, was placed between the skin and a piece of filter paper glued to the surface of the silver plate. Sinusoidal ... See full document
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Contextual effects of small environments on the electric images of objects and their brain evoked responses in weakly electric fish
... when fish choose to rest between roots or inside ...the fish react with similar novelty responses to similar changes in sLEOD when the fish is inside a plastic ... See full document
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The electric image in weakly electric fish: perception of objects of complex impedance
... the fish with information about the impedance of an object, we compared PP and P/N spatial ...resistive objects, the distance of capacitative objects from the fish can also be determined from ... See full document
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Electric organ discharges and electric images during electrolocation
... the fish result in significant changes in the sensory input, both in the object image and from the movement itself, a consequence termed sensory reafference (von Holst and Mittelstaedt, ...of active ... See full document
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Plasticity varies with boldness in a weakly-electric fish
... the objects were novel to the fish, but not the envir- onment (housing ...of objects, some of which are typically not per- ceived by non-electrosensing fish, such as resistance and capacitance ... See full document
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Short range orientation in electric fish: an experimental study of passive electrolocation
... one weakly electric fish locate and find another electric fish in its environment? One way is to orient to the electric discharges that the second fish produces using ... See full document
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Behavioral and neural aspects of the spatial processing of conspecific signals in the electrosensory system
... small objects (Babineau, Lewis, & Longtin, 2007; Caputi & Budelli, 2006; Nelson & MacIver, 1999; Rasnow, ...in weakly electric fish, pointing out along the way how this model ... See full document
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Enhanced sensory sampling precedes self initiated locomotion in an electric fish
... these active sensing behaviours (Nelson and MacIver, 2006; Kleinfeld et ...of active exploration (Poulet and Petersen, 2008; Schroeder et ...does active sensing increase before, together with or ... See full document
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Plasticity of the electric organ discharge: implications for the regulation of ionic currents
... Weakly electric fish emit electric organ discharges (EODs) to locate objects around themselves and for ...of electric discharges, behavioral observations easily lead to testable ... See full document
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Environmental complexity, seasonality and brain cell proliferation in a weakly electric fish, Brachyhypopomus gauderio
... group-housed fish, field active fish experienced a more complex structural ...of objects in the natural habitat of ...field active fish have higher rates of cell proliferation ... See full document
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Waveform generation in the weakly electric fish Gymnotus coropinae (Hoedeman): the electric organ and the electric organ discharge
... images and thus are involved in active electrolocation. Conversely, caudally generated components tend to flow between rostral and caudal regions, and have a larger reach. These post-effector–pre- receptor ... See full document
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THE SENSING OF ELECTRICAL CAPACITANCES BY WEAKLY ELECTRIC MORMYRID FISH: EFFECTS OF WATER CONDUCTIVITY
... which objects can be detected by electrolocation and finally leads to the cessation of active electrolocation because electroreceptors are no longer ...fish’s electrolocation ability ... See full document
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Modeling the electric field of weakly electric fish
... bimodal electric image could provide another cue for future object location prediction, but would require the use of different peaks, depending on the object’s direction of ...the fish to know the object’s ... See full document
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Waveform sensitivity of electroreceptors in the pulse type weakly electric fish Gymnotus omarorum
... the electric field generated by pulse gymnotiforms is the weighted sum of multiple electrocytes discharging sequentially along the length of the body, each having a different timing, waveform and amplitude (Caputi ... See full document
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Electrolocation based on tail bending movements in weakly electric fish
... the electrolocation mechanism of a weakly electric fish, the black ghost knifefish, Apteronotus albifrons (Linnaeus ...1766). Weakly electric fish sense electric ... See full document
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Finding food: senses involved in foraging for insect larvae in the electric fish gnathonemus petersii
... Weakly electric mormyrids possess a special set of very sensitive ampullary electroreceptor organs that respond to low- frequency electric signals (Bennett, 1971; Kalmijn, 1974; Zakon, ...nearby ... See full document
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