Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii
Hollmann V, Hofmann V, Engelmann J (2016)
Journal of Comparative Neurology 524(12): 2479-2491.
Zeitschriftenaufsatz
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Einrichtung
Abstract / Bemerkung
In many vertebrates parallel processing in topographically ordered maps is essential for efficient sensory processing. In the active electrosensory pathway of mormyrids afferent input is processed in two parallel somatotopically ordered hindbrain maps of the electrosensory lateral line lobe (ELL), the dorsolateral zone (DLZ), and the medial zone (MZ). Here phase and amplitude modulations of the self-generated electric field were processed separately. Behavioral data indicates that this information must be merged for the sensory system to categorically distinguish capacitive and resistive properties of objects. While projections between both zones of the ELL have been found, the available physiological data suggests that this merging takes place in the midbrain torus semicircularis (TS). Previous anatomical data indicate that the detailed somatotopic representation present in the ELL is lost in the nucleus lateralis (NL) of the TS, while a rough rostrocaudal mapping is maintained. In our study we investigated the projections from the hindbrain to the midbrain in more detail, using tracer injections. Our data reveals that afferents from both maps of the ELL terminate in a detailed somatotopic manner within the midbrain NL. Furthermore, we provide data indicating that phase and amplitude information may indeed be processed jointly in the NL. J. Comp. Neurol. 524:2479-2491, 2016. 2016 Wiley Periodicals, Inc.
2016 Wiley Periodicals, Inc.
Stichworte
electric fish;
electrolocation;
parallel sensory processing;
topographic map;
torus semicircularis
Erscheinungsjahr
2016
Zeitschriftentitel
Journal of Comparative Neurology
Band
524
Ausgabe
12
Seite(n)
2479-2491
ISSN
0021-9967
eISSN
1096-9861
Page URI
https://pub.uni-bielefeld.de/record/2904264
Zitieren
Hollmann V, Hofmann V, Engelmann J. Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii. Journal of Comparative Neurology. 2016;524(12):2479-2491.
Hollmann, V., Hofmann, V., & Engelmann, J. (2016). Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii. Journal of Comparative Neurology, 524(12), 2479-2491. doi:10.1002/cne.23963
Hollmann, Vanessa, Hofmann, Volker, and Engelmann, Jacob. 2016. “Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii”. Journal of Comparative Neurology 524 (12): 2479-2491.
Hollmann, V., Hofmann, V., and Engelmann, J. (2016). Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii. Journal of Comparative Neurology 524, 2479-2491.
Hollmann, V., Hofmann, V., & Engelmann, J., 2016. Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii. Journal of Comparative Neurology, 524(12), p 2479-2491.
V. Hollmann, V. Hofmann, and J. Engelmann, “Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii”, Journal of Comparative Neurology, vol. 524, 2016, pp. 2479-2491.
Hollmann, V., Hofmann, V., Engelmann, J.: Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii. Journal of Comparative Neurology. 524, 2479-2491 (2016).
Hollmann, Vanessa, Hofmann, Volker, and Engelmann, Jacob. “Somatotopic map of the active electrosensory sense in the midbrain of the mormyrid Gnathonemus petersii”. Journal of Comparative Neurology 524.12 (2016): 2479-2491.
Daten bereitgestellt von European Bioinformatics Institute (EBI)
2 Zitationen in Europe PMC
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