Individual differences in metacontrast masking regarding sensitivity and response bias

Consciousness and Cognition
Thorsten Albrecht, Uwe Mattler

Abstract

In metacontrast masking target visibility is modulated by the time until a masking stimulus appears. The effect of this temporal delay differs across participants in such a way that individual human observers' performance shows distinguishable types of masking functions which remain largely unchanged for months. Here we examined whether individual differences in masking functions depend on different response criteria in addition to differences in discrimination sensitivity. To this end we reanalyzed previously published data and conducted a new experiment for further data analyses. Our analyses demonstrate that a distinction of masking functions based on the type of masking stimulus is superior to a distinction based on the target-mask congruency. Individually different masking functions are based on individual differences in discrimination sensitivities and in response criteria. Results suggest that individual differences in metacontrast masking result from individually different criterion contents.

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Citations

Mar 22, 2016·Consciousness and Cognition·Jenna C FlanniganErin K Cressman
Mar 25, 2016·Consciousness and Cognition·Thorsten Albrecht, Uwe Mattler
May 15, 2015·The European Journal of Neuroscience·Silvia Pagano, Veronica Mazza
Aug 24, 2016·Consciousness and Cognition·Guillermo SoloveyMariano Sigman
Jul 25, 2019·Attention, Perception & Psychophysics·Melanie Biafora, Thomas Schmidt

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