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Pupil dilation trac...
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Johansson, RogerLund University,Lunds universitet,Institutionen för psykologi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Psychology,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences
(författare)
Pupil dilation tracks the dynamics of mnemonic interference resolution
- Artikel/kapitelEngelska2018
Förlag, utgivningsår, omfång ...
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2018-03-19
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Springer Science and Business Media LLC,2018
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:9c77c093-ebbb-4018-a46c-cb49bad60568
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https://lup.lub.lu.se/record/9c77c093-ebbb-4018-a46c-cb49bad60568URI
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https://doi.org/10.1038/s41598-018-23297-3DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:137898595URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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Mnemonic interference refers to the inability to retrieve a goal-relevant memory due to interference from goal-irrelevant memories. Understanding the causes of such interference and how it is overcome has been a central goal in the science of memory for more than a century. Here, we shed new light on this fundamental issue by tracking participants’ pupil response when they encode and retrieve memories in the face of competing goal-irrelevant memories. We show that pupil dilation systematically increased in accordance with interference from competing memory traces when participants retrieved previously learned information. Moreover, our results dissociate two main components in the pupillary response signal: an early component, which peaked in a time window where the pupillary waveform on average had its maximum peak, and a late component, which peaked towards the end of the retrieval task. We provide evidence that the early component is specifically modulated by the cognitive effort needed to handle interference from competing memory traces whereas the late component reflects general task engagement. This is the first demonstration that mnemonic interference resolution can be tracked online in the pupil signal and offers novel insight into the underlying dynamics.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Pärnamets, PhilipKarolinska Institutet,Lund University,Lunds universitet,Kognitionsvetenskap,Filosofiska institutionen,Institutioner,Humanistiska och teologiska fakulteterna,Cognitive Science,Department of Philosophy,Departments,Joint Faculties of Humanities and Theology(Swepub:lu)lucs-ppm
(författare)
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Bjernestedt, AmandaLund University,Lunds universitet,Institutionen för psykologi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Psychology,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences(Swepub:lu)lucs-anb
(författare)
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Johansson, MikaelLund University,Lunds universitet,Institutionen för psykologi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Department of Psychology,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences(Swepub:lu)psyk-mjo
(författare)
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Institutionen för psykologiSamhällsvetenskapliga institutioner och centrumbildningar
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: Springer Science and Business Media LLC82045-2322
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