kth.sePublikationer
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Inhibition of return in a visual foraging task in non-human subjects
KTH, Skolan för datavetenskap och kommunikation (CSC), Beräkningsbiologi, CB.
2012 (Engelska)Ingår i: Vision Research, ISSN 0042-6989, E-ISSN 1878-5646, Vol. 74, s. 2-9Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Inhibition of return is thought to help guide visual search by inhibiting the orienting of attention to previously attended locations. We have previously shown that, in a foraging visual search task, the neural responses to objects in parietal cortex are reduced after they have been examined. Here we ask whether the animals' reaction times (RTs) in the same task show a psychophysical correlate of inhibition of return: a slowing of reaction time in response to a probe placed at a previously fixated location. We trained three animals to perform an RT version of the visual foraging task. In the foraging task, subjects visually searched through an array of five identical distractors and five identical potential targets; one of which had a reward linked to it. In the RT variant of the task, subjects had to rapidly respond to a probe if it appeared. We found that RTs were slower for probes presented at locations that contained previously fixated objects, faster to potential targets and between the two for behaviorally irrelevant distractors that had not been fixated. These data show behavioral inhibitory tagging of previously fixated objects and suggest that the suppression of activity seen previously in the same task in parietal cortex could be a neural correlate of this mechanism.

Ort, förlag, år, upplaga, sidor
2012. Vol. 74, s. 2-9
Nyckelord [en]
Attention, Psychophysics, Visual search, Reaction time
Nationell ämneskategori
Bioinformatik (beräkningsbiologi)
Identifikatorer
URN: urn:nbn:se:kth:diva-109621DOI: 10.1016/j.visres.2012.03.022ISI: 000312118600002PubMedID: 22521511Scopus ID: 2-s2.0-84869493787OAI: oai:DiVA.org:kth-109621DiVA, id: diva2:583460
Anmärkning

QC 20130108

Tillgänglig från: 2013-01-08 Skapad: 2013-01-08 Senast uppdaterad: 2022-06-24Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltextPubMedScopus

Sök vidare i DiVA

Av författaren/redaktören
Torbaghan, Solmaz Shariat
Av organisationen
Beräkningsbiologi, CB
I samma tidskrift
Vision Research
Bioinformatik (beräkningsbiologi)

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
pubmed
urn-nbn

Altmetricpoäng

doi
pubmed
urn-nbn
Totalt: 63 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf