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Digitale Medien

Responses in the optic tectum of the salamanderHydromantes italicus to moving prey stimuli (1982)

Roth, G.

Springer

Experimental brain research 45 (1982), S. 386-392

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Details

ISSN: 1432-1106

Schlagwort(e): Salamander optic tectum ; Stimulus velocity ; Classification tectum cells

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary In the tectum opticum ofHydromantes italicus neurons were recorded extracellularly which responded selectively to moving visual stimuli. Part of the recorded cells were marked iontophoretically by means of alcian-blue dye for anatomical localization. Out of a total of 110 neurons six groups could be distinguished which preferred the square stimulus but differred strongly in their responses to rectangles oriented either vertically or horizontally. Two of these groups showed stimulus preference inversion if the stimulus velocity was changed. These response patterns displayed characteristic differences with those known in other amphibia, well corresponding to differences in the prey catching behaviours.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01208598

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