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- Bjernestedt, Amanda (author)
Pupil dilation reflects interference during memory retrieval
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2016
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- LIBRIS-ID:oai:lup.lub.lu.se:003398aa-61f2-4b35-94d1-910182e8b3c3
- https://lup.lub.lu.se/record/003398aa-61f2-4b35-94d1-910182e8b3c3URI
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- Language:English
- Summary in:English
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Notes
- We demonstrate that pupillometry can be used to track memory interference independent of explicit responses. Pupil diameter was recordedthroughout encoding and retrieval of words from the same category over 4 trials, causing buildup of proactive interference (PI). In a contrastingcondition, the category was switched on the 4th trial, causing release from interference (RI). Pupil dilation systematically increased for bothconditions as interference built up and retrieval performance declined. Critically, in trial 4 the RI condition resulted in improved retrievalperformance, with significantly smaller pupil dilation than in the PI condition, where performance continued to decline. Principal component analysisrevealed an early dilation peak possibly related to control of interference, and a later component possibly linked to memory search.
Subject headings and genre
- SAMHÄLLSVETENSKAP Psykologi hsv//swe
- SOCIAL SCIENCES Psychology hsv//eng
- pupillometry
- memory retrieval
- Interference
- principal component analysis
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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(Swepub:lu)ling-rgj (author)
- PÄRNAMETS, PHILIPLund 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 (author)
- 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 (author)
- Institutionen för psykologiSamhällsvetenskapliga institutioner och centrumbildningar (creator_code:org_t)
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