from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The condition of being univariant
from The Century Dictionary and Cyclopedia
- n. In physical chemistry, the possession, by a thermodynamic system, of only one degree of freedom. See degree of freedom and phase rule.
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This method assumes that the intensity-response functions at different wavelengths are parallel, as required by the principle of univariance
Slide 10: Motion detection circuit (Reichardt Detector) Basic network with asymmetric timing delay Can explain real and beta apparent motion Also: can add opponent process mechanism Detection of velocity: • univariance problem • cross-fiber comparisons
As we varied the stimulating wavelength no departures from the principle of univariance were evident, in so far as responses of similar amplitude generated by different wavelengths (at different intensities) were of essentially the same waveform (
Fig. 1B), as would be expected from the principle of univariance, where response depends only on quantal absorption.