AI Article Synopsis
- Vibrotactile amplitude difference limens (DLs) were assessed using both continuous and gated pedestal methods, showing that DLs decrease with higher stimulus intensity, aligning closely with Weber's law principles.
- The continuous pedestal method indicated a significant decrease in DLs with longer stimulus durations (12 to 1000 ms), whereas the gated pedestal method showed minimal effects from duration changes.
- The findings suggest that temporal summation plays a key role in lowering DLs for the continuous pedestal method but does not apply in the same way for the gated pedestal method.
Article Abstract
Vibrotactile amplitude difference limens (DLs) were measured by the continuous pedestal and gated pedestal methods. In both cases, the relative DL decreased as a function of the intensity of the stimulus and the results, in most cases, could be described as a near miss to Weber's law. DLs measured by the continuous pedestal method were found to decrease substantially as a function of increases in stimulus duration over a range of 12 to 1000 ms. In contrast, DLs measured by the gated pedestal method were only slightly affected by changes in stimulus duration. It was concluded that the process of temporal summation can manifest itself in reducing the size of the DL in the continuous pedestal, but not the gated pedestal, paradigm.
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| http://dx.doi.org/10.1121/1.417940 | DOI Listing |
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