[PDF] Top 20 Sensory coding and corollary discharge effects in mormyrid electric fish

... Intracellular recordings from NELL cells reveal two types of synaptic potentials: 1 brief all-or-none excitatory postsynaptic potentials EPSPs that are evoked by stimulation of individua[r] ... See full document

... weakly electric mormyrid fishes, unwanted reafference in ampullary electroreceptors is created by the fish’s electric organ ...generated corollary discharge of the electric organ ... See full document

... the electric organ is a discrete, finite source located in the fish’s body, objects in the nearby environment will always project an image with a center-surround structure, whatever their ...the corollary ... See full document

... remarkable sensory capabilities, black ghost knifefish also have an unusual locomotor system which allows them to swim forwards, backwards and sideways and to ...the fish remains relatively rigid and ... See full document

... When the force of attraction between these unlike charges becomes too great, there is a discharge called lightning.?. Lightning.[r] ... See full document

... The Mormyroidea consists of ca. 200 species of mormyrids and the single-species family of the Gymnarchidae (Alves-Gomes and Hopkins, 1997; Lavoué et al., 2000). Although mormyrids are generally hypoxia tolerant (Nilsson, ... See full document

... Effects of the membrane depolarization and hyperpolarization produced by injection of electric currents on the electrical responses of Didinium nasutum in association with the discharge [r] ... See full document

... Coding of EODs by the Knollenorgan pathway is thought to involve a comparison of the timing of receptor spikes in opposite body regions (e.g. head versus tail or right versus left), which respond to oppositely ... See full document

... wave fish or stimulating it at one of the harmonics of its EOD frequency (the fundamental included) all have in common that there is no beating – the wave EOD and the stimulus mix according to their instantaneous ... See full document

... receptor fish was always larger on the fovea than at the ...receptor fish from the tank. The LEOD at the fovea of the receptor fish was always larger than the field in the absence of the fish, ... See full document

... fovea-like sensory structures, as described for the dorsal filament in prey-capture behavior of ...many mormyrid species also have body regions with increased receptor densities (Hollmann et ...behavior, ... See full document

... A total of 3409 chirps were recorded during the 21, 5·min trials. Chirps were classified as Type 1 (N = 118) or Type 2 (N = 3291) as described in the Materials and methods section. For illustrative purposes, we show a ... See full document

... collection, fish were transported to the Laboratório de Fisiologia Comportamental e Evolução (LFCE) at Instituto Nacional de Pesquisas da Amazônia and temporarily housed in aerated river ...the fish was ... See full document

... size effects in ...size effects, so the machining performances of piezoelectric self- adaptive micro-EDM are easier to be ...spark discharge in EDM and studied the characteristics between spark ... See full document

... The effect of the higher water temperatures on this 'main' mode is in fact comparable with that of increased motor activity, as described by Moller 1970 and Serrier 1974, even though the[r] ... See full document

... weakly electric fish. In the single mormyrid that we studied, we noted amino acid substitutions at two key residues in the domain III–IV loop ‘inactivation ball’ ...in electric fish ... See full document

... the effects of recurrent inputs coming from higher centers (Bastian, 1995; Berman and Maler, ...other fish (Bell et ...past electric images from the current ... See full document

... the effects of machining parameters such aspulsed current on material removal rate, diametric overcut, electrode wear and surface roughness in electric discharge machining of En-31 tool ... See full document

... Recent experiments by Stamper and colleagues show that Eigenmannia will either increase or decrease their EOD frequency in response to social envelope stimuli (Stamper, et al., 2012). This behavior was termed the social ... See full document

... Electric discharge has been carried out in LPG using DC high voltage ...The electric and spectroscopic characteristics of the discharge were stu- died at different discharge ...Two ... See full document