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Pharmacological investigation of spreading depression propagation in rat neocortical tissues

von Dr. Aziza El Harrak

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[1.] Aeh/Fragment 015 03 - Diskussion
Zuletzt bearbeitet: 2014-04-30 00:05:31 Schumann
Aeh, Fragment, Gesichtet, SMWFragment, Schutzlevel sysop, Sheikh 2009, Verschleierung

Typus
Verschleierung
Bearbeiter
Hindemith
Gesichtet
Yes.png
Untersuchte Arbeit:
Seite: 15, Zeilen: 3-6, 8-11
Quelle: Sheikh 2009
Seite(n): 14, Zeilen: 10-17
Application of KCl in to neocortical slices elicited fluctuations of the DC potentials consisting of initially negative shifts, followed by positive waves. The triggered wave propagated first the nearby electrode, and a few seconds later the other electrode located parallel to this electrode. The amplitude and duration of negative DC deflections were 13.6 ± 0.8 mV and 102 ± 13.1 seconds, respectively, in the first electrode. The amplitude and duration of CSD recorded by the second electrode was 11.5 ± 0.6 mV and 93 ± 10.3 seconds, respectively. The velocity of SD propagation was determined by dividing the distance between two microelectrodes by the interval of DC potential shift appearances. The velocity of vertical propagation of DC fluctuation was 3.6 ± 0.2 mm/min. Application of KCl into hippocampal slices elicited deflections of the DC potentials consisting of initially negative shifts, followed by positive waves (Fig. 1A). The amplitude and duration of negative DC deflections were 12.6 ± 0.7 mV and 93 ± 12.4 seconds, respectively. The triggered wave propagated against the flow of the superfusate and reached first the nearby electrode, and a few seconds later the other electrode located closer to the inlet of superfusate in the chamber. The velocity of SD propagation was determined by dividing the distance between two microelectrodes by the interval of DC potential shift appearances. The velocity of vertical propagation of DC fluctuation was 3.3 ± 0.1 mm/min.
Anmerkungen

The source is not mentioned.

The text has been adapted to accomodate the different set-up and results.

Note that it seems that "The triggered wave propagated against the flow of the superfusate and reached first the nearby electrode" was shortened to "The triggered wave propagated first the nearby electrode", which is not grammatically correct. This could be seen as an indication, that indeed Aeh (2009) has taken text from Sheikh (2009) and not the other way round.

Sichter
(Hindemith) Schumann


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Letzte Bearbeitung dieser Seite: durch Benutzer:Schumann, Zeitstempel: 20140430000649

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