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Facilitation of simultaneous visual discrimination by nicotine in the rat

โœ Scribed by F. Bovet-Nitti

Publisher
Springer
Year
1966
Tongue
English
Weight
543 KB
Volume
10
Category
Article
ISSN
0033-3158

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โœฆ Synopsis

The visual discrimhlation considered as a complex type of conditioning has recently become an important tool in the psychopharmacological investigations in rats (tiC,T, 1961; ~V[ACKI~qTOSH~ 1965). A facilitating effect of strychnine on the visual discrimination has been shown by Ms GAVGH and THOMSOn (1962) using a two choice apparatus and by PETRn~OVICK (1963) with a more complex technique. Similar results were obtained by HUDSPAT~ (1964) who used an apparatus with two doors differently illuminated. In a previous report we described a facilitating effect of nicotine on visual discrimination (Bov~T-NITTI, 1965). The action of this drug has been further analyzed in the present paper.

Methods

I. Two choice visual discrimination

Subjects. 20 male Wistar rats were used in two experiments as follows :

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