Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis

Engelage J, Bischof H-J (1989)
Experimental Brain Research 74(3): 563-572.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Engelage, Jürgen; Bischof, Hans-JoachimUniBi
Abstract / Bemerkung
Recent research has demonstrated that ipsilaterally visually evoked potentials (VEPs) can be measured within the ectostriatum, the telencephalic target area of the tectofugal visual pathway in birds. In this paper we systematically measured contra- and ipsilateral VEPs within the ectostriatal complex to obtain more detailed information on the processing of contra- and ipsilateral stimuli. The similarity of neighbouring VEPs at equal depth and a comparison of a one dimensional and a three dimensional analysis of current source-densities (CSDs) for identical coordinates suggested that a one dimensional current source-density analysis might be applicable. The one dimensional current source-density analysis demonstrated largely corresponding patterns in the sink-source sequences of the current source-density depth profiles for the contra- and ipsilateral stimulus responses. The occurence of a large sink in the centre of the ectostriatal core, together with the results of multiunit recordings, shows that the ectostriatal core is the location of the generators for both the contra- and the ipsilaterally evoked responses. The occurrence of macroscopic sinks and sources and the fact that VEPs can be recorded from the ectostriatum shows that there is a higher degree of order in the ectostriatum than has been previously demonstrated by anatomical methods. The time coincidence between the maximum spike rate of multiunit responses, the negative peak of the evoked potential, and the large central sink demonstrates that the influence of ipsi- as well as of contralateral stimuli is predominantly excitatory.
Stichworte
Sensory Reception; Neural Coordination
Erscheinungsjahr
1989
Zeitschriftentitel
Experimental Brain Research
Band
74
Ausgabe
3
Seite(n)
563-572
ISSN
0014-4819
eISSN
1432-1106
Page URI
https://pub.uni-bielefeld.de/record/1774015

Zitieren

Engelage J, Bischof H-J. Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis. Experimental Brain Research. 1989;74(3):563-572.
Engelage, J., & Bischof, H. - J. (1989). Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis. Experimental Brain Research, 74(3), 563-572. https://doi.org/10.1007/BF00247358
Engelage, Jürgen, and Bischof, Hans-Joachim. 1989. “Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis”. Experimental Brain Research 74 (3): 563-572.
Engelage, J., and Bischof, H. - J. (1989). Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis. Experimental Brain Research 74, 563-572.
Engelage, J., & Bischof, H.-J., 1989. Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis. Experimental Brain Research, 74(3), p 563-572.
J. Engelage and H.-J. Bischof, “Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis”, Experimental Brain Research, vol. 74, 1989, pp. 563-572.
Engelage, J., Bischof, H.-J.: Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis. Experimental Brain Research. 74, 563-572 (1989).
Engelage, Jürgen, and Bischof, Hans-Joachim. “Flash evoked potentials in the ectostriatum of the zebra finch: a current source density analysis”. Experimental Brain Research 74.3 (1989): 563-572.
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7 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

Flash visual evoked potentials in diurnal birds of prey.
Dondi M, Biaggi F, Di Ianni F, Dodi PL, Quintavalla F., PeerJ 4(), 2016
PMID: 27547536
Anatomical organization of the visual dorsal ventricular ridge in the chick (Gallus gallus): Layers and columns in the avian pallium.
Ahumada-Galleguillos P, Fernández M, Marin GJ, Letelier JC, Mpodozis J., J Comp Neurol 523(17), 2015
PMID: 25982840
Neural correlates of memorized associations and cued movements in archistriatum of the domestic chick.
Aoki N, Izawa E, Yanagihara S, Matsushima T., Eur J Neurosci 17(9), 2003
PMID: 12752793
Regulation of ipsilateral visual information within the tectofugal visual system in zebra finches.
Voss J, Bischof HJ., J Comp Physiol A Neuroethol Sens Neural Behav Physiol 189(7), 2003
PMID: 12811488

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