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Journal ArticleDOI

Transformed Up‐Down Methods in Psychoacoustics

H. Levitt
- 01 Feb 1971 - 
- Vol. 49, Iss: 2, pp 467-477
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TLDR
A broad class of up‐down methods used in psychoacoustics with due emphasis on the related problems of parameter estimation and the efficient placing of observations is described, including examples where conventional techniques are inapplicable.
Abstract
During the past decade a number of variations in the simple up‐down procedure have been used in psychoacoustic testing. A broad class of these methods is described with due emphasis on the related problems of parameter estimation and the efficient placing of observations. The advantages of up‐down methods are many, including simplicity, high efficiency, robustness, small‐sample reliability, and relative freedom from restrictive assumptions. Several applications of these procedures in psychoacoustics are described, including examples where conventional techniques are inapplicable.

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A review of human sensory dynamics for application to models of driver steering and speed control

TL;DR: A review of the literature has been carried out to consolidate information from previous studies which may be useful when incorporating human sensory systems into the design of a driver model, including information on sensory dynamics, delays, thresholds and integration of multiple sensory stimuli.
Journal ArticleDOI

Ethnic differences in the nociceptive flexion reflex (NFR)

TL;DR: Interestingly, verbal pain ratings at NFR threshold were not significantly different between the groups, suggesting that the lower stimulation intensities required to elicit a reflex in African–American versus non‐Hispanic white participants were nonetheless perceived as similar.
Journal ArticleDOI

Metacognition about the past and future: quantifying common and distinct influences on prospective and retrospective judgments of self-performance.

TL;DR: Different influences on each judgment type were found: retrospective judgments were strongly influenced by the speed and accuracy of the immediately preceding decision, whereas prospective judgments were influenced by previous confidence over a longer time window.
Journal ArticleDOI

PSYCHOACOUSTICS: a comprehensive MATLAB toolbox for auditory testing

TL;DR: PSYCHOACOUSTICS is a new MATLAB toolbox which implements three classic adaptive procedures for auditory threshold estimation and comes with more than twenty built-in experiments each provided with the recommended (default) parameters.
Journal ArticleDOI

The genetic impact (C957T-DRD2) on inhibitory control is magnified by aging.

TL;DR: The findings show that individuals carrying genotype associated with higher density of extrastriatal D2 receptors were more efficient in inhibiting unwanted action tendencies, but not in term of response execution, which supports the idea that aging-related decline in dopamine availability alters the balance between genotypes and cognitive functions.
References
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Journal ArticleDOI

A Stochastic Approximation Method

TL;DR: In this article, a method for making successive experiments at levels x1, x2, ··· in such a way that xn will tend to θ in probability is presented.
Journal ArticleDOI

The Advanced Theory of Statistics

Maurice G. Kendall, +1 more
- 01 Apr 1963 - 
Journal ArticleDOI

The staircrase-method in psychophysics.

TL;DR: The use of the staircase-method is illustrated, its relative merits and demerits are discussed, and a modification is described which overcomes certain of the disadvantages of the method.
Journal ArticleDOI

PEST: Efficient Estimates on Probability Functions

TL;DR: In this article, an adaptive procedure for rapid and efficient psychophysical testing is described, with maximally efficient trial-by-trial sequential decisions at each stimulus level, in a sequence which tends to converge on a selected target level.