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Journal articles on the topic 'Electrosensor'

Author: Grafiati

Published: 1 April 2023

Last updated: 31 July 2025

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1

Liu, Jiangtao, Mingying Zhang, Jianbo Liu, and Jianbin Zheng. "Synthesis of Ag@Pt core–shell nanoparticles loaded onto reduced graphene oxide and investigation of its electrosensing properties." Analytical Methods 8, no. 5 (2016): 1084–90. http://dx.doi.org/10.1039/c5ay02672e.

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Nanocomposites of Ag@Pt core–shell nanoparticles loaded on graphene (Ag@Pt–graphene) were synthesized, and further fabricated into an electrosensor to detect hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>).

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Papp, G., and F. M. Peeters. "Resistance maps for a submicron Hall electrosensor in the diffusive regime." Journal of Applied Physics 101, no. 11 (2007): 113717. http://dx.doi.org/10.1063/1.2745345.

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Qin, Xiaojiao, Shuxia Xu, Li Deng, Rongfu Huang, and Xinfeng Zhang. "Photocatalytic electrosensor for label-free and ultrasensitive detection of BRCA1 gene." Biosensors and Bioelectronics 85 (November 2016): 957–63. http://dx.doi.org/10.1016/j.bios.2016.05.076.

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Neiva, Eduardo G. C., Marcio F. Bergamini, Marcela M. Oliveira, Luiz H. Marcolino, and Aldo J. G. Zarbin. "PVP-capped nickel nanoparticles: Synthesis, characterization and utilization as a glycerol electrosensor." Sensors and Actuators B: Chemical 196 (June 2014): 574–81. http://dx.doi.org/10.1016/j.snb.2014.02.041.

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Kan, Xianwen, Tingting Liu, Hong Zhou, Chen Li, and Bin Fang. "Molecular imprinting polymer electrosensor based on gold nanoparticles for theophylline recognition and determination." Microchimica Acta 171, no. 3-4 (2010): 423–29. http://dx.doi.org/10.1007/s00604-010-0455-5.

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6

Rani, Reetu, Akash Deep, Boris Mizaikoff, and Suman Singh. "Copper Based Organic Framework Modified Electrosensor for Selective and Sensitive Detection of Ciprofloxacin." Electroanalysis 32, no. 11 (2020): 2442–51. http://dx.doi.org/10.1002/elan.202060274.

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7

HOFMANN, MICHAEL H., MARIANNE FALK, and LON A. WILKENS. "ELECTROSENSORY BRAIN STEM NEURONS COMPUTE THE TIME DERIVATIVE OF ELECTRIC FIELDS IN THE PADDLEFISH." Fluctuation and Noise Letters 04, no. 01 (2004): L129—L138. http://dx.doi.org/10.1142/s0219477504001732.

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For many aquatic animals, the electrosense is an important sensory system used to detect prey or conspecifics at short to medium range and for long-range orientation. Passive electroreceptive animals sense the minute electric fields of animate and inanimate sources and it has been thought that they are most sensitive to sources that modulate the field around a few Hertz. Our data on the properties of the electrosensory system in the paddlefish reveal that the firing rate of electrosensory brain stem neurons represents the first derivative of the stimulus, i.e. the rate of change in intensity o

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Guo, Wenjuan, Tingcheng Xia, Huaying Zhang, Minghui Zhao, Luyan Wang, and Meishan Pei. "A Molecularly Imprinting Electrosensor Based on the Novel Nanocomposite for the Detection of Tryptamine." Science of Advanced Materials 10, no. 12 (2018): 1805–12. http://dx.doi.org/10.1166/sam.2018.3388.

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Sutton, Erin E., Alican Demir, Sarah A. Stamper, Eric S. Fortune, and Noah J. Cowan. "Dynamic modulation of visual and electrosensory gains for locomotor control." Journal of The Royal Society Interface 13, no. 118 (2016): 20160057. http://dx.doi.org/10.1098/rsif.2016.0057.

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Animal nervous systems resolve sensory conflict for the control of movement. For example, the glass knifefish, Eigenmannia virescens , relies on visual and electrosensory feedback as it swims to maintain position within a moving refuge. To study how signals from these two parallel sensory streams are used in refuge tracking, we constructed a novel augmented reality apparatus that enables the independent manipulation of visual and electrosensory cues to freely swimming fish ( n = 5). We evaluated the linearity of multisensory integration, the change to the relative perceptual weights given to v

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Neven, Liselotte, Hanan Barich, Nick Sleegers, Rocío Cánovas, Gianni Debruyne, and Karolien De Wael. "Development of a combi-electrosensor for the detection of phenol by combining photoelectrochemistry and square wave voltammetry." Analytica Chimica Acta 1206 (May 2022): 339732. http://dx.doi.org/10.1016/j.aca.2022.339732.

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11

Ji, Lifei, Xian Zhou, Jian Zhang, Xin Zhang, Weidong Kang, and Fengchun Yang. "A simple strategy for carboxylated MWNTs as a metal-free electrosensor for anchoring the RhB CN group." Analytical Methods 11, no. 22 (2019): 2868–74. http://dx.doi.org/10.1039/c9ay00744j.

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Organic dye detection requires high sensitivity, low-cost equipment, simplified procedures, and real-time capabilities; thus, electrochemical methods are gradually emerging in this field instead of chromatography.

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Xie, Donghao, Xue-Qing Feng, Xi-Le Hu, et al. "Probing Mannose-Binding Proteins That Express on Live Cells and Pathogens with a Diffusion-to-Surface Ratiometric Graphene Electrosensor." ACS Applied Materials & Interfaces 8, no. 38 (2016): 25137–41. http://dx.doi.org/10.1021/acsami.6b08566.

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13

Salminen, Jarno, Mark van Gils, Markku Paloheimo, and Arvi Yli-Hankala. "Comparison of train-of-four ratios measured with Datex-Ohmeda’s M-NMT MechanoSensor™ and M-NMT ElectroSensor™." Journal of Clinical Monitoring and Computing 30, no. 3 (2015): 295–300. http://dx.doi.org/10.1007/s10877-015-9717-4.

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14

Zhou, Xian, Wenjing Cheng, Fudan Zhu, et al. "An effective strategy for developing the CoMoS nanosheets wrapped by oxidized multi-walled carbon nanotubes as an electrosensor of oryzalin." Journal of Electroanalytical Chemistry 878 (December 2020): 114710. http://dx.doi.org/10.1016/j.jelechem.2020.114710.

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15

MacIver, M. A., N. M. Sharabash, and M. E. Nelson. "Prey-capture behavior in gymnotid electric fish: motion analysis and effects of water conductivity." Journal of Experimental Biology 204, no. 3 (2001): 543–57. http://dx.doi.org/10.1242/jeb.204.3.543.

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Animals can actively influence the content and quality of sensory information they acquire from the environment through the positioning of peripheral sensory surfaces. This study investigated receptor surface positioning during prey-capture behavior in weakly electric gymnotiform fish of the genus Apteronotus. Infrared video techniques and three-dimensional model-based tracking methods were used to provide quantitative information on body position and conformation as black ghost (A. albifrons) and brown ghost (A. leptorhynchus) knifefish hunted for prey (Daphnia magna) in the dark. We found th

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Jung, Sarah N., Andre Longtin, and Leonard Maler. "Weak signal amplification and detection by higher-order sensory neurons." Journal of Neurophysiology 115, no. 4 (2016): 2158–75. http://dx.doi.org/10.1152/jn.00811.2015.

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Sensory systems must extract behaviorally relevant information and therefore often exhibit a very high sensitivity. How the nervous system reaches such high sensitivity levels is an outstanding question in neuroscience. Weakly electric fish ( Apteronotus leptorhynchus/ albifrons) are an excellent model system to address this question because detailed background knowledge is available regarding their behavioral performance and its underlying neuronal substrate. Apteronotus use their electrosense to detect prey objects. Therefore, they must be able to detect electrical signals as low as 1 μV whi

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Kang, Ning, Lifei Ji, Jun Zhao, et al. "Uniform growth of Fe3O4 nanocubes on the single-walled carbon nanotubes as an electrosensor of organic dyes and the study on its catalytic mechanism." Journal of Electroanalytical Chemistry 833 (January 2019): 70–78. http://dx.doi.org/10.1016/j.jelechem.2018.11.012.

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18

Bell, C. C., K. Grant, and J. Serrier. "Sensory processing and corollary discharge effects in the mormyromast regions of the mormyrid electrosensory lobe. I. Field potentials, cellular activity in associated structures." Journal of Neurophysiology 68, no. 3 (1992): 843–58. http://dx.doi.org/10.1152/jn.1992.68.3.843.

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1. This is the first of a series of papers on the electrosensory lobe and closely associated structures in electric fish of the family Mormyridae. The study describes the neuronal responses to sensory stimuli and to corollary discharge signals associated with the motor command that drives the electric organ discharge (EOD). The study is focused on the regions of the electrosensory lobe where primary afferent fibers from mormyromast electroreceptors terminate. 2. This first paper of the series describes the field potentials in the caudal lobe of the cerebellum and in the electrosensory lobe. It

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Sawtell, Nathaniel B., Claudia Mohr, and Curtis C. Bell. "Recurrent Feedback in the Mormyrid Electrosensory System: Cells of the Preeminential and Lateral Toral Nuclei." Journal of Neurophysiology 93, no. 4 (2005): 2090–103. http://dx.doi.org/10.1152/jn.01055.2004.

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Many sensory regions integrate information ascending from peripheral receptors with descending inputs from other central structures. However, the significance of these descending inputs remains poorly understood. Descending inputs are prominent in the electrosensory system of mormyrid fish and include both recurrent connections from higher to lower stages of electrosensory processing and electric organ corollary discharge (EOCD) signals associated with the motor command that drives the electric organ discharge. The preeminential nucleus (PE) occupies a key position in a feedback loop that retu

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20

Kempster, R. M., C. A. Egeberg, N. S. Hart, and S. P. Collin. "Electrosensory-driven feeding behaviours of the Port Jackson shark (Heterodontus portusjacksoni) and western shovelnose ray (Aptychotrema vincentiana)." Marine and Freshwater Research 67, no. 2 (2016): 187. http://dx.doi.org/10.1071/mf14245.

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Elasmobranch fishes (sharks, skates and rays) possess a highly sensitive electrosensory system that enables them to detect weak electric fields, such as those produced by potential prey organisms. Despite several comparative anatomical studies, the functional significance of interspecific variation in electrosensory system morphology remains poorly understood. In the present study, we directly tested the electrosensitivity of two benthic elasmobranchs that share a similar habitat and feed on similarly sized prey items (Port Jackson sharks, Heterodontus portusjacksoni, and western shovelnose ra

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21

Bastian, Joseph. "Electrosensory Organisms." Physics Today 47, no. 2 (1994): 30–37. http://dx.doi.org/10.1063/1.881411.

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22

von der Emde, G., and C. C. Bell. "Nucleus preeminentialis of mormyrid fish, a center for recurrent electrosensory feedback. I. Electrosensory and corollary discharge responses." Journal of Neurophysiology 76, no. 3 (1996): 1581–96. http://dx.doi.org/10.1152/jn.1996.76.3.1581.

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1. The nucleus preeminentialis (PE) is a large central structure that projects both directly and indirectly to the electrosensory lobe (ELL) where the primary afferents from electroreceptors terminate. PE receives electrosensory input directly from ELL and also from higher stages of the electrosensory pathway. PE is thus an important part of a central feedback loop that returns electrosensory information from higher stages of the system to the initial stage in ELL. 2. This study describes the field potentials and single-unit activity that are evoked in PE by electrosensory stimuli and by corol

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23

Hofmann, Michael H., Boris P. Chagnaud, and Lon A. Wilkens. "Edge-Detection Filter Improves Spatial Resolution in the Electrosensory System of the Paddlefish." Journal of Neurophysiology 102, no. 2 (2009): 797–804. http://dx.doi.org/10.1152/jn.91215.2008.

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In many fishes, prey capture is guided primarily by vision. In the paddlefish, the electrosense can completely substitute for the visual system to detect tiny daphnia, their primary prey. Electroreceptors are distributed over the entire rostrum, head, and gill covers, and there are no accessory structures like a lens to form an image. To accurately locate planktonic prey in three-dimensional space, the poor spatial resolving power of peripheral receptors has to be improved by another mechanism. We have investigated information processing in the electrosensory system of the paddlefish at hind-

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24

Comertler, Muhammed Seyda, and Ismail Uyanik. "Salience of multisensory feedback regulates behavioral variability." Bioinspiration & Biomimetics 17, no. 1 (2021): 016006. http://dx.doi.org/10.1088/1748-3190/ac392d.

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Abstract Many animal behaviors are robust to dramatic variations in morphophysiological features, both across and within individuals. The control strategies that animals use to achieve such robust behavioral performances are not known. Recent evidence suggests that animals rely on sensory feedback rather than precise tuning of neural controllers for robust control. Here we examine the structure of sensory feedback, including multisensory feedback, for robust control of animal behavior. We re-examined two recent datasets of refuge tracking responses of Eigenmannia virescens, a species of weakly

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25

Ramcharitar, J. U., E. W. Tan, and E. S. Fortune. "Global Electrosensory Oscillations Enhance Directional Responses of Midbrain Neurons in Eigenmannia." Journal of Neurophysiology 96, no. 5 (2006): 2319–26. http://dx.doi.org/10.1152/jn.00311.2006.

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Eigenmannia, a genus of weakly electric fish, exhibits a specialized behavior known as the jamming avoidance response (JAR). The JAR results in a categorical difference between Eigenmannia that are in groups of conspecifics and those that are alone. Fish in groups exhibit the JAR behavior and thereby experience ongoing, global synchronous 20- to 50-Hz electrosensory oscillations, whereas solitary fish do not. Although previous work has shown that these ongoing signals do not significantly degrade electrosensory behavior, these oscillations nevertheless elicit short-term synaptic depression in

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Bodznick, D., J. C. Montgomery, and M. Carey. "Adaptive mechanisms in the elasmobranch hindbrain." Journal of Experimental Biology 202, no. 10 (1999): 1357–64. http://dx.doi.org/10.1242/jeb.202.10.1357.

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The suppression of self-generated electrosensory noise (reafference) and other predictable signals in the elasmobranch medulla is accomplished in part by an adaptive filter mechanism, which now appears to represent a more universal form of the modifiable efference copy mechanism discovered by Bell. It also exists in the gymnotid electrosensory lateral lobe and mechanosensory lateral line nucleus in other teleosts. In the skate dorsal nucleus, motor corollary discharge, proprioceptive and descending electrosensory signals all contribute in an independent and additive fashion to a cancellation i

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Assad, C., B. Rasnow, and P. K. Stoddard. "Electric organ discharges and electric images during electrolocation." Journal of Experimental Biology 202, no. 10 (1999): 1185–93. http://dx.doi.org/10.1242/jeb.202.10.1185.

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Weakly electric fish use active electrolocation - the generation and detection of electric currents - to explore their surroundings. Although electrosensory systems include some of the most extensively understood circuits in the vertebrate central nervous system, relatively little is known quantitatively about how fish electrolocate objects. We believe a prerequisite to understanding electrolocation and its underlying neural substrates is to quantify and visualize the peripheral electrosensory information measured by the electroreceptors. We have therefore focused on reconstructing both the el

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Harvey-Girard, Erik, and Leonard Maler. "Dendritic SK channels convert NMDA-R-dependent LTD to burst timing-dependent plasticity." Journal of Neurophysiology 110, no. 12 (2013): 2689–703. http://dx.doi.org/10.1152/jn.00506.2013.

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Feedback and descending projections from higher to lower brain centers play a prominent role in all vertebrate sensory systems. Feedback might be optimized for the specific sensory processing tasks in their target brain centers, but it has been difficult to connect the properties of feedback synapses to sensory tasks. Here, we use the electrosensory system of a gymnotiform fish ( Apteronotus leptorhynchus) to address this problem. Cerebellar feedback to pyramidal cells in the first central electrosensory processing region, the electrosensory lateral line lobe (ELL), is critical for canceling s

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Bastian, J. "Plasticity in an electrosensory system. II. Postsynaptic events associated with a dynamic sensory filter." Journal of Neurophysiology 76, no. 4 (1996): 2497–507. http://dx.doi.org/10.1152/jn.1996.76.4.2497.

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1. This report summarizes studies of the changes in postsynaptic potentials that occur as pyramidal cells within the primary electrosensory processing nucleus learn to reject repetitive patterns of afferent input. The rejection mechanism employs "negative image inputs" that oppose or cancel electroreceptor afferent inputs or patterns of pyramidal hyperpolarization or depolarization caused by intracellular current injection. Feedback pathways carrying descending electrosensory as well as other types of information provide the negative image inputs. This study focuses on the role of a directly d

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Nelson, M. E., and M. A. Maciver. "Prey capture in the weakly electric fish Apteronotus albifrons: sensory acquisition strategies and electrosensory consequences." Journal of Experimental Biology 202, no. 10 (1999): 1195–203. http://dx.doi.org/10.1242/jeb.202.10.1195.

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Sensory systems are faced with the task of extracting behaviorally relevant information from complex sensory environments. In general, sensory acquisition involves two aspects: the control of peripheral sensory surfaces to improve signal reception and the subsequent neural filtering of incoming sensory signals to extract and enhance signals of interest. The electrosensory system of weakly electric fish provides a good model system for studying both these aspects of sensory acquisition. On the basis of infrared video recordings of black ghost knifefish (Apteronotus albifrons) feeding on small p

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Baker, Clare V. H., and Melinda S. Modrell. "Insights into Electroreceptor Development and Evolution from Molecular Comparisons with Hair Cells." Integrative and Comparative Biology 58, no. 2 (2018): 329–40. http://dx.doi.org/10.1093/icb/icy037.

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Abstract The vertebrate lateral line system comprises a mechanosensory division, with neuromasts containing hair cells that detect local water movement (“distant touch”); and an electrosensory division, with electrosensory organs that detect the weak, low-frequency electric fields surrounding other animals in water (primarily used for hunting). The entire lateral line system was lost in the amniote lineage with the transition to fully terrestrial life; the electrosensory division was lost independently in several lineages, including the ancestors of frogs and of teleost fishes. (Electrorecepti

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Hjelmstad, G., G. Parks, and D. Bodznick. "Motor corollary discharge activity and sensory responses related to ventilation in the skate vestibulolateral cerebellum: implications for electrosensory processing." Journal of Experimental Biology 199, no. 3 (1996): 673–81. http://dx.doi.org/10.1242/jeb.199.3.673.

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The dorsal granular ridge (DGR) of the elasmobranch vestibulolateral cerebellum is the source of a parallel fiber projection to the electrosensory dorsal nucleus. We report that the DGR in Raja erinacea contains a large percentage of units with activity modulated by the animal's own ventilation. These include propriosensory and electrosensory units, responding to either ventilatory movements or the resulting electroreceptive reafference, and an additional population of units in which activity is phase-locked to the ventilatory motor commands even in animals paralyzed to block all ventilatory m

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Brown, Brandon R. "Modeling an electrosensory landscape." Journal of Experimental Biology 205, no. 7 (2002): 999–1007. http://dx.doi.org/10.1242/jeb.205.7.999.

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SUMMARYMost biological sensory systems benefit from multiple sensors. Elasmobranchs (sharks, skates and rays) possess an array of electroreceptive organs that facilitate prey location, mate location and navigation. Here, the perceived electrosensory landscape for an elasmobranch approaching prey is mathematically modeled. The voltages that develop simultaneously in dozens of separate sensing organs are calculated using electrodynamics. These voltages lead directly to firing rate modifications in the primary afferent nerves. The canals connecting the sense organs to an elasmobranch's surface ex

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Pereira, Ana Carolina, and Angel Ariel Caputi. "Imaging in electrosensory systems." Interdisciplinary Sciences: Computational Life Sciences 2, no. 4 (2010): 291–307. http://dx.doi.org/10.1007/s12539-010-0049-2.

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35

Heiligenberg, Walter. "Electrosensory systems in fish." Synapse 6, no. 2 (1990): 196–206. http://dx.doi.org/10.1002/syn.890060212.

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Mohr, Claudia, Patrick D. Roberts, and Curtis C. Bell. "The Mormyromast Region of the Mormyrid Electrosensory Lobe. I. Responses to Corollary Discharge and Electrosensory Stimuli." Journal of Neurophysiology 90, no. 2 (2003): 1193–210. http://dx.doi.org/10.1152/jn.00211.2003.

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This is the first of two papers on the electrosensory lobe (ELL) of mormyrid electric fish. The ELL is the first stage in the central processing of electrosensory information from electroreceptors. Cells of the mormyrid ELL are affected at the time of the electric organ discharge (EOD) by two different inputs, EOD-evoked reafferent input from electroreceptors and corollary discharge input associated with the motor command that elicits the EOD. This first paper examines the intracellular responses of ELL cells to these two different inputs in the region of ELL that receives primary afferent fib

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Bastian, J. "Plasticity in an electrosensory system. I. General features of a dynamic sensory filter." Journal of Neurophysiology 76, no. 4 (1996): 2483–96. http://dx.doi.org/10.1152/jn.1996.76.4.2483.

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1. In this study we describe changes in neuronal responses within the primary electrosensory processing nucleus of a weakly electric fish that occur when the fish are exposed to repetitive patterns of electrosensory stimuli. Extracellular single-unit recordings show that pyramidal cells within the electrosensory lateral line lobe develop, over a time course of several minutes, an insensitivity to repetitive stimuli applied to a cell's receptive field (local stimulus). The pyramidal cell response cancellation only develops if the local stimulus is applied simultaneously with a diffuse pattern o

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Meek, J., K. Grant, and C. Bell. "Structural organization of the mormyrid electrosensory lateral line lobe." Journal of Experimental Biology 202, no. 10 (1999): 1291–300. http://dx.doi.org/10.1242/jeb.202.10.1291.

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The electrosensory lateral line lobe (ELL) of mormyrid teleosts is the first central stage in electrosensory input processing. It is a well-developed structure with six main layers, located in the roof of the rhombencephalon. Its main layers are, from superficial to deep, the molecular, ganglionic, plexiform, granular, intermediate and deep fiber layers. An important input arises from electroreceptors, but corollary electromotor command signals and proprioceptive, mechanosensory lateral line and descending electrosensory feedback inputs reach the ELL as well. The ELL input is processed by at l

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Bell, C. C., and K. Grant. "Sensory processing and corollary discharge effects in mormyromast regions of mormyrid electrosensory lobe. II. Cell types and corollary discharge plasticity." Journal of Neurophysiology 68, no. 3 (1992): 859–75. http://dx.doi.org/10.1152/jn.1992.68.3.859.

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1. This is the second of a series of papers on the electrosensory lobe and closely associated structures in electric fish of the family Mormyridae. The focus of the study is on the regions of the electrosensory lobe where primary afferent fibers from mormyromast electroreceptors terminate. 2. This second paper examines the responses of single cells in the mormyromast regions of the electrosensory lobe to electrosensory stimuli and to corollary discharge signals associated with the motor command that drives the electric organ to discharge. All recordings were extracellular. 3. Two major types o

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Montgomery, J. C., and D. Bodznick. "HINDBRAIN CIRCUITRY MEDIATING COMMON MODE SUPPRESSION OF VENTILATORY REAFFERENCE IN THE ELECTROSENSORY SYSTEM OF THE LITTLE SKATE RAJA ERINACEA." Journal of Experimental Biology 183, no. 1 (1993): 203–16. http://dx.doi.org/10.1242/jeb.183.1.203.

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Elasmobranch fish have an electrosensory system which they use for prey detection and for orientation. Sensory inputs to this system are corrupted by a form of reafference generated by the animal's own ventilation, but this noise is reduced by sensory processing within the medullary nucleus of the electrosensory system. This noise cancellation is achieved, at least in part, by a common mode rejection mechanism. In this study we have examined characteristics of neurones within the medullary nucleus in an attempt to understand the neural circuitry responsible for common mode suppression. Our res

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Turner, R. W., and L. Maler. "Oscillatory and burst discharge in the apteronotid electrosensory lateral line lobe." Journal of Experimental Biology 202, no. 10 (1999): 1255–65. http://dx.doi.org/10.1242/jeb.202.10.1255.

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Oscillatory and burst discharge is recognized as a key element of signal processing from the level of receptor to cortical output cells in most sensory systems. The relevance of this activity for electrosensory processing has become increasingly apparent for cells in the electrosensory lateral line lobe (ELL) of gymnotiform weakly electric fish. Burst discharge by ELL pyramidal cells can be recorded in vivo and has been directly associated with feature extraction of electrosensory input. In vivo recordings have also shown that pyramidal cells are differentially tuned to the frequency of amplit

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Oswald, Anne-Marie M., Brent Doiron, and Leonard Maler. "Interval Coding. I. Burst Interspike Intervals as Indicators of Stimulus Intensity." Journal of Neurophysiology 97, no. 4 (2007): 2731–43. http://dx.doi.org/10.1152/jn.00987.2006.

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Short interspike intervals such as those that occur during burst firing are hypothesized to be distinct features of the neural code. Although a number of correlations between the occurrence of burst events and aspects of the stimulus have been identified, the relationship between burst characteristics and information transfer is uncertain. Pyramidal cells in the electrosensory lobe of the weakly electric fish, Apteronotus leptorhynchus, respond to dynamic broadband electrosensory stimuli with bursts and isolated spikes. In the present study, we mimic synaptic input during sensory stimulation b

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Bastian, J. "Plasticity of feedback inputs in the apteronotid electrosensory system." Journal of Experimental Biology 202, no. 10 (1999): 1327–37. http://dx.doi.org/10.1242/jeb.202.10.1327.

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Weakly electric fish generate an electric field surrounding their body by means of an electric organ typically located within the trunk and tail. Electroreceptors scattered over the surface of the body encode the amplitude and timing of the electric organ discharge (EOD), and central components of the electrosensory system analyze the information provided by the electroreceptor afferents. The electrosensory system is used for electrolocation, for the detection and analysis of objects near the fish which distort the EOD and for electrocommunication. Since the electric organ is typically located

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Chacron, Maurice J., and Joseph Bastian. "Population Coding by Electrosensory Neurons." Journal of Neurophysiology 99, no. 4 (2008): 1825–35. http://dx.doi.org/10.1152/jn.01266.2007.

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Sensory stimuli typically activate many receptors at once and therefore should lead to increases in correlated activity among central neurons. Such correlated activity could be a critical feature in the encoding and decoding of information in central circuits. Here we characterize correlated activity in response to two biologically relevant classes of sensory stimuli in the primary electrosensory nuclei, the electrosensory lateral line lobe, of the weakly electric fish Apteronotus leptorhynchus. Our results show that these neurons can display significant correlations in their baseline activiti

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Fortune, Eric S. "The decoding of electrosensory systems." Current Opinion in Neurobiology 16, no. 4 (2006): 474–80. http://dx.doi.org/10.1016/j.conb.2006.06.006.

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Roth, A. "Development of the electrosensory system." Naturwissenschaften 81, no. 6 (1994): 269–72. http://dx.doi.org/10.1007/bf01131580.

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Molteno, T. C. A., and W. L. Kennedy. "Navigation by Induction-Based Magnetoreception in Elasmobranch Fishes." Journal of Biophysics 2009 (October 18, 2009): 1–6. http://dx.doi.org/10.1155/2009/380976.

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A quantitative frequency-domain model of induction-based magnetoreception is presented for elasmobranch fishes. We show that orientation with respect to the geomagnetic field can be determined by synchronous detection of electrosensory signals at harmonics of the vestibular frequency. The sensitivity required for this compass-sense mechanism is shown to be less than that known from behavioral experiments. Recent attached-magnet experiments have called into doubt the induction-based mechanism for magnetoreception. We show that the use of attached magnets would interfere with an induction-based

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Roberts, Patrick D. "Modeling Inhibitory Plasticity in the Electrosensory System of Mormyrid Electric Fish." Journal of Neurophysiology 84, no. 4 (2000): 2035–47. http://dx.doi.org/10.1152/jn.2000.84.4.2035.

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Mathematical analyses and computer simulations are used to study the adaptation induced by plasticity at inhibitory synapses in a cerebellum-like structure, the electrosensory lateral line lobe (ELL) of mormyrid electric fish. Single-cell model results are compared with results obtained at the system level in vivo. The model of system level adaptation uses detailed temporal learning rules of plasticity at excitatory and inhibitory synapses onto Purkinje-like neurons. Synaptic plasticity in this system depends on the time difference between pre- and postsynaptic spikes. Adaptation is measured b

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Bell, C. C. "Mormyromast electroreceptor organs and their afferent fibers in mormyrid fish. II. Intra-axonal recordings show initial stages of central processing." Journal of Neurophysiology 63, no. 2 (1990): 303–18. http://dx.doi.org/10.1152/jn.1990.63.2.303.

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1. Physiologically and morphologically identified primary afferent fibers from mormyromast electroreceptor organs were recorded intracellularly. The fiber recordings were made from the nerve root of the posterior lateral line nerve, where the fibers enter the brain, and from the electrosensory lateral line lobe (ELL), near the central terminals of the fibers. 2. The intracellular recordings reveal a variety of potentials, synaptic and nonsynaptic, in addition to the large orthodromic action potentials from the periphery. The goal of the present study was to describe and interpret these various

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Montgomery, JC. ""Seeing" With Nonvisual Senses: Mechano- and Electrosensory Systems of Fish." Physiology 6, no. 2 (1991): 73–77. http://dx.doi.org/10.1152/physiologyonline.1991.6.2.73.

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In low-light environments the lateral line and electrosensory systems of fishes can replace vision as the major sensory modality. These systems provide insight into sensory processing for orientation, object detection, and noise suppression.

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