Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii

Metzen MG, Engelmann J, Bacelo J, Grant K, von der Emde G (2008)
J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194(12): 1063-1075.

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The receptive field of a sensory neuron is known as that region in sensory space where a stimulus will alter the response of the neuron. We determined the spatial dimensions and the shape of receptive fields of electrosensitive neurons in the medial zone of the electrosensory lateral line lobe of the African weakly electric fish, Gnathonemus petersii, by using single cell recordings. The medial zone receives input from sensory cells which encode the stimulus amplitude. We analysed the receptive fields of 71 neurons. The size and shape of the receptive fields were determined as a function of spike rate and first spike latency and showed differences for the two analysis methods used. Spatial diameters ranged from 2 to 36 mm (spike rate) and from 2.45 to 14.12 mm (first spike latency). Some of the receptive fields were simple consisting only of one uniform centre, whereas most receptive fields showed a complex and antagonistic centre-surround organisation. Several units had a very complex structure with multiple centres and surrounding-areas. While receptive field size did not correlate with peripheral receptor location, the complexity of the receptive fields increased from rostral to caudal along the fish's body.
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Metzen MG, Engelmann J, Bacelo J, Grant K, von der Emde G. Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2008;194(12):1063-1075.
Metzen, M. G., Engelmann, J., Bacelo, J., Grant, K., & von der Emde , G. (2008). Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii. J Comp Physiol A Neuroethol Sens Neural Behav Physiol, 194(12), 1063-1075.
Metzen, M. G., Engelmann, J., Bacelo, J., Grant, K., and von der Emde , G. (2008). Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194, 1063-1075.
Metzen, M.G., et al., 2008. Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii. J Comp Physiol A Neuroethol Sens Neural Behav Physiol, 194(12), p 1063-1075.
M.G. Metzen, et al., “Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii”, J Comp Physiol A Neuroethol Sens Neural Behav Physiol, vol. 194, 2008, pp. 1063-1075.
Metzen, M.G., Engelmann, J., Bacelo, J., Grant, K., von der Emde , G.: Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 194, 1063-1075 (2008).
Metzen, M. G., Engelmann, Jacob, Bacelo, J., Grant, K., and von der Emde , G. “Receptive field properties of neurons in the electrosensory lateral line lobe of the weakly electric fish, Gnathonemus petersii”. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194.12 (2008): 1063-1075.
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