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  The influence of unattended features on object processing depends on task demand

Mayer, K., & Vuong, Q. C. (2012). The influence of unattended features on object processing depends on task demand. Vision Research, 56, 20-27. doi:10.1016/j.visres.2012.01.013.

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Genre: Zeitschriftenartikel

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https://doi.org/10.1016/j.visres.2012.01.013 (Verlagsversion)
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 Urheber:
Mayer, Katja1, 2, Autor           
Vuong, Quoc C.1, Autor
Affiliations:
1Institute of Neuroscience, Newcastle University, United Kingdom, ou_persistent22              
2Max Planck Research Group Neural Mechanisms of Human Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634556              

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Schlagwörter: Selective attention; Multi-featured objects; Task demand; Object discrimination; Object identification
 Zusammenfassung: Objects consist of features such as shape, motion and color, all of which can be selectively used for different object processing tasks. The present study investigated whether task demands influenced how well participants attended to features of novel colored dynamic objects that were task-relevant while ignoring those that were task-irrelevant. To address this, we used tasks which had different perceptual, learning and memory demands. The unattended features were systematically changed to measure their effects on how well participants could process the attended feature. In Experiment 1, participants discriminated simultaneously presented objects on the basis their shape or motion. We found that changes to unattended motion and color did not affect participants’ sensitivity to discriminate the attended feature but changes to unattended shape did. We also found that changes to unattended motion impaired how quickly observers responded. In Experiment 2, participants identified learned objects at the individual level on the basis of their shape or motion. We found that changes to any unattended features affected accuracy and reaction times. Overall, these results point to an important role of task demands in object processing: Task demands can influence whether task-irrelevant features affect object-processing performance.

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Sprache(n): eng - English
 Datum: 2012-01-202012-01-272012-03-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.visres.2012.01.013
PMID: 22306678
Anderer: Epub 2012
 Art des Abschluß: -

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Titel: Vision Research
  Andere : Vision Res.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Amsterdam : Pergamon
Seiten: - Band / Heft: 56 Artikelnummer: - Start- / Endseite: 20 - 27 Identifikator: ISSN: 0042-6989
CoNE: https://pure.mpg.de/cone/journals/resource/954925451842