Risultati scientifici

Wavelength dependence of temporal discrimination at scotopic luminances

Anno: 1974

Autori: Ronchi L., Molesini G.

Affiliazione autori: Istituto Nazionale di Ottica

Abstract: By applying the two-pulse technique, the time resolving power of the dark-adapted peripheral retina is found to depend on stimulus wavelength. This contradicts the current idea, according to which, in the low scotopic range, the visual system is univariant. Our findings might be accounted for by suggesting that the temporal coding of the input, at absolute threshold, is mediated by a number of mechanisms with different time constants.


Volume: 29(3)      Da Pagina: 465  A: 472

Parole chiavi: Luminance; Night vision; Normal human; Spectral sensitivity; Theoretical study; Time perception

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