Psychophysics¶
Gescheider, G. A. (1997). Psychophysics: The Fundamentals.
Cited by¶
2 citations across 2 artifacts.
Each citation links to the sentence it supports in the citing article.
Domain-specific¶
- Psychophysical Scaling
- They share a genus and retain distinct identities. Not unrestricted extrapolation. A relation established in the central operating range can fail near detection floor, adaptation shifts, pain limits, or physiological saturation
This sourceThe standard methods text for the boundary proposition, documenting that the Weber fraction rises near absolute threshold and that fitted functions depart from the middle-range law at the extremes; the adaptation, pain-limit and saturation clauses of the same sentence lie outside its scope. The standard methods text for both halves - estimating a just-noticeable difference at several baselines, forming the increment-to-baseline ratio as the Weber fraction, and finding that the fraction is approximately constant only over a middle range of intensities.
- They share a genus and retain distinct identities. Not unrestricted extrapolation. A relation established in the central operating range can fail near detection floor, adaptation shifts, pain limits, or physiological saturation
Mechanisms¶
- Roughness and Relief Gradient
- Its strength is building depth, weight, or emphasis continuously — avoiding the banded, stepped look — by keeping each increment below the just-noticeable difference
This sourceEstablishes that a stimulus change below the just-noticeable difference is not perceptually detectable as a separate increment.
- Its strength is building depth, weight, or emphasis continuously — avoiding the banded, stepped look — by keeping each increment below the just-noticeable difference
Verification¶
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