Does attention speed up processing? Decreases and increases of processing rates in visual prior entry

Journal of Vision
Jan TünnermannIngrid Scharlau

Abstract

Selective visual attention improves performance in many tasks. Among others, it leads to "prior entry"--earlier perception of an attended compared to an unattended stimulus. Whether this phenomenon is purely based on an increase of the processing rate of the attended stimulus or if a decrease in the processing rate of the unattended stimulus also contributes to the effect is, up to now, unanswered. Here we describe a novel approach to this question based on Bundesen's Theory of Visual Attention, which we use to overcome the limitations of earlier prior-entry assessment with temporal order judgments (TOJs) that only allow relative statements regarding the processing speed of attended and unattended stimuli. Prevalent models of prior entry in TOJs either indirectly predict a pure acceleration or cannot model the difference between acceleration and deceleration. In a paradigm that combines a letter-identification task with TOJs, we show that indeed acceleration of the attended and deceleration of the unattended stimuli conjointly cause prior entry.

Associated Software

Mar 9, 2018·Jan Tünnermann, Jan Tünnermann

Citations

Feb 18, 2016·Attention, Perception & Psychophysics·Hayley E P LagroixThomas M Spalek
Oct 22, 2016·Frontiers in Psychology·Jan Tünnermann, Ingrid Scharlau
Feb 12, 2017·Attention, Perception & Psychophysics·Sujala MaharjanRobert Sekuler
Jan 24, 2020·PloS One·Nestor MatthewsKendra Schafer
Nov 27, 2015·Psychological Research·Matthias HartmannMartin H Fischer
Mar 2, 2016·Psychological Research·Matthias Hartmann, Martin H Fischer
May 26, 2017·Attention, Perception & Psychophysics·Alexander KrügerIngrid Scharlau
Jul 19, 2017·Experimental Brain Research·J VibellC Spence
Nov 23, 2016·Experimental Brain Research·Vanessa HarrarCharles Spence
Feb 19, 2021·Psychological Research·Alexander Krüger, Ingrid Scharlau
Jul 24, 2021·Cerebral Cortex Communications·Astrid ProchnowChristian Beste
Jul 17, 2021·Journal of Vision·Vignash TharmaratnamJonathan S Cant

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