A quantitative analysis of movement detecting neurons in the frog's retina

O. J. Grüsser, Ursula Grüsser-Cornehls, D. Finkelstein, V. Henn, Margrit Patutschnik, E. Butenandt

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


In the frog's retina (Rana esculenta, Rana pipiens) two classes of neurons which are especially sensitive to stimuli moved through the receptive fields were investigated. It was found that the following stimulus parameters determine the response of these class-2 and class-3 neurons: angular velocity (v), stimulus size (A), contrast of stimulus against a white or a black background (c), position of the path of traverse in the receptive field (P), and the time (t) between the movement of identical stimuli along the same path through the receptive field. These parameters were changed within a considerable range; the relation between the parameter change and the neuronal response is given in different equations. A final formula, which allows one to calculate the average response of a class-2 or a class-3 neurons to a stimulus moved through the excitatory receptive field is given in equations 6a and 6b.

Original languageEnglish (US)
Pages (from-to)100-106
Number of pages7
JournalPflügers Archiv für die Gesamte Physiologie des Menschen und der Tiere
Issue number1
StatePublished - Mar 1 1967
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Clinical Biochemistry
  • Physiology (medical)


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