Evidence map›Paper›PMID 30253233›Full record

ArticleBiological psychology2018

Target probability modulates fixation-related potentials in visual search.

Hannah Hiebel, Anja Ischebeck, Clemens Brunner, Andrey R Nikolaev, Margit Höfler, Christof Körner

Open access · greenAbstract read
In one paragraph

Article in Biological psychology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.9field-weighted citation impact, top 27% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 18 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 2 countries.

Hannah HiebelInstitute of Psychology, University of Graz, Graz, Austria. Electronic address: hannah.hiebel@uni-graz.at.
Anja IschebeckInstitute of Psychology, University of Graz, Graz, Austria; BioTechMed Graz, Graz, Austria.
Clemens BrunnerInstitute of Psychology, University of Graz, Graz, Austria; BioTechMed Graz, Graz, Austria.
Andrey R NikolaevLaboratory for Perceptual Dynamics, KU Leuven - University of Leuven, Leuven, Belgium.
Margit HöflerInstitute of Psychology, University of Graz, Graz, Austria.
Christof KörnerInstitute of Psychology, University of Graz, Graz, Austria; BioTechMed Graz, Graz, Austria.
University of Graz · ATKU Leuven · BE

Funding

Austrian Science Fund FWF P 27824
6 · The paper itself

Abstract

This study investigated the influence of target probability on the neural response to target detection in free viewing visual search. Participants were asked to indicate the number of targets (one or two) among distractors in a visual search task while EEG and eye movements were co-registered. Target probability was manipulated by varying the set size of the displays between 10, 22, and 30 items. Fixation-related potentials time-locked to first target fixations revealed a pronounced P300 at the centro-parietal cortex with larger amplitudes for set sizes 22 and 30 than for set size 10. With increasing set size, more distractor fixations preceded the detection of the target, resulting in a decreased target probability and, consequently, a larger P300. For distractors, no increase of P300 amplitude with set size was observed. The findings suggest that set size specifically affects target but not distractor processing in overt serial visual search.

Indexed as

ProbabilityAdultAttentionCerebral CortexEvent-Related Potentials, P300Evoked PotentialsFemaleFixation, OcularHumansMaleVisual PerceptionYoung AdultEEGEye movementsFixation-related potentials (FRPs)P300Target probabilityVisual search

Identifiers

PMID30253233
PMCPMC7611429
OpenAlexW2894031825

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.