Dichotic sequence discrimination: The effect of stimulus intensity and background noise level |
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Authors: | Harvey Babkoff Daniel Algom Shlomo Eliashar |
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Institution: | 1. Bar-Ilan University, Ramat-Gan, Israel
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Abstract: | Dichotic temporal discrimination of clicks over the range of separation of 2 ≤ Δt ≤ 96 msec is nonmonotonic, being V- or U-shaped with two maxima, one at very short separations (?t≤4 msec) and one at long separations (Δt ≥ 64 msec). Decreasing the level of the stimuli or increasing the level of background noise results in an overall decrement in discrimination level and a widening of the base of the function to make it more U-shaped. These effects are expressed in shorter Δt thresholds for the left limb of the function and longer Δt thresholds for the right limb of the function |
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