During the course of the experiments which have contributed to the previous papers there appeared a number of new observations which did not fit readily into those topics. Although each is a qualitative new finding which seems at first sight to refer to only one aspect of the optokinetic response, taken together they shed further light on the type of system we are dealing with. All of these new observations could be quantified in detail, but it appears that a highly accurate set of measurements which are intended to measure the parameters of one simple system are out of place until a wide variety of qualitative experiments, with suitable controls, have narrowed down the choice of alternative models.

Copyright © 1966 The Company of Biologists Ltd.
1966
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