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Neurotoxicology. 1987 Winter;8(4):593-605.

Effects of DFP on unit activity in rat superior colliculus.

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1
Department of Physiology, University of Kansas Medical Center, Kansas City 66103.

Abstract

The effect of systemically administered diisopropylfluorophosphate (DFP) on the spontaneous firing rate and light-evoked responses of rat superior colliculus neurons was determined from average histograms of single unit and multiunit activity. DFP produced a dose-dependent increase in superior colliculus spontaneous activity, and a decrease in light evoked activity. In many experiments, light evoked responses were completely abolished. The changes in spontaneous activity were reversible over a period of about 5 hours following DFP injection. These results establish the retino-tectal pathway as a major target of DFP toxicity.

PMID:
3441320
[Indexed for MEDLINE]
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