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research article

The effects of visual distractors on serial dependence

Houborg, Christian
•
Pascucci, David  
•
Tanrikulu, Omer Daglar
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October 1, 2023
Journal Of Vision

Attractive serial dependence occurs when perceptual decisions are attracted toward previous stimuli. This effect is mediated by spatial attention and is most likely to occur when similar stimuli are attended at nearby locations. Attention, however, also involves the suppression of distracting information and of spatial locations where distracting stimuli have frequently appeared. Although distractors form an integral part of our visual experience, how they affect the processing of subsequent stimuli is unknown. Here, in two experiments, we tested serial dependence from distractor stimuli during an orientation adjustment task. We interleaved adjustment trials with a discrimination task requiring observers to ignore a peripheral distractor randomly appearing on half of the trials. Distractors were either similar to the adjustment probe (Experiment 1) or differed in spatial frequency and contrast (Experiment 2) and were shown at predictable or random locations in separate blocks. The results showed that the distractor caused considerable attentional capture in the discrimination task, with observers likely using proactive strategies to anticipate distractors at predictable locations. However, there was no evidence that the distractors affected the perceptual stream leading to positive serial dependence. Instead, they left a weak repulsive trace in Experiment 1 and more generally interfered with the effect of the previous adjustment probe in the serial dependence task. We suggest that this repulsive bias may reflect the operation of mechanisms involved in attentional suppression.

  • Details
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Type
research article
DOI
10.1167/jov.23.12.1
Web of Science ID

WOS:001114230500010

Author(s)
Houborg, Christian
Pascucci, David  
Tanrikulu, Omer Daglar
Kristjansson, Arni
Date Issued

2023-10-01

Publisher

Assoc Research Vision Ophthalmology Inc

Published in
Journal Of Vision
Volume

23

Issue

12

Start page

1

Subjects

Life Sciences & Biomedicine

•

Serial Dependence

•

Attentional Suppression

•

Spatial Attention

•

Distractor Inhibition

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPSY  
FunderGrant Number

Swiss National Science Foundation

PZ00P1_179988

Icelandic Research Fund

207045-052

University of Iceland

Available on Infoscience
February 20, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/204699
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