Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.

Inaccurate eyewitness identifications are the leading cause of known false convictions in the United States. Moreover, improving eyewitness memory is difficult and often unsuccessful. Sleep consistently strengthens and protects memory from interference, particularly when a recall test is used. Howev...

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Main Authors: Michelle E Stepan, Taylor M Dehnke, Kimberly M Fenn
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0182907&type=printable
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author Michelle E Stepan
Taylor M Dehnke
Kimberly M Fenn
author_facet Michelle E Stepan
Taylor M Dehnke
Kimberly M Fenn
author_sort Michelle E Stepan
collection DOAJ
description Inaccurate eyewitness identifications are the leading cause of known false convictions in the United States. Moreover, improving eyewitness memory is difficult and often unsuccessful. Sleep consistently strengthens and protects memory from interference, particularly when a recall test is used. However, the effect of sleep on recognition memory is more equivocal. Eyewitness identification tests are often recognition based, thus leaving open the question of how sleep affects recognition performance in an eyewitness context. In the current study, we investigated the effect of sleep on eyewitness memory. Participants watched a video of a mock-crime and attempted to identify the perpetrator from a simultaneous lineup after a 12-hour retention interval that either spanned a waking day or night of sleep. In Experiment 1, we used a target-present lineup and, in Experiment 2, we used a target-absent lineup in order to investigate correct and false identifications, respectively. Sleep reduced false identifications in the target-absent lineup (Experiment 2) but had no effect on correct identifications in the target-present lineup (Experiment 1). These results are discussed with respect to memory strength and decision making strategies.
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spelling doaj-art-f0aa189202d441cda7db46f459eac3f22025-08-20T03:04:36ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01129e018290710.1371/journal.pone.0182907Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.Michelle E StepanTaylor M DehnkeKimberly M FennInaccurate eyewitness identifications are the leading cause of known false convictions in the United States. Moreover, improving eyewitness memory is difficult and often unsuccessful. Sleep consistently strengthens and protects memory from interference, particularly when a recall test is used. However, the effect of sleep on recognition memory is more equivocal. Eyewitness identification tests are often recognition based, thus leaving open the question of how sleep affects recognition performance in an eyewitness context. In the current study, we investigated the effect of sleep on eyewitness memory. Participants watched a video of a mock-crime and attempted to identify the perpetrator from a simultaneous lineup after a 12-hour retention interval that either spanned a waking day or night of sleep. In Experiment 1, we used a target-present lineup and, in Experiment 2, we used a target-absent lineup in order to investigate correct and false identifications, respectively. Sleep reduced false identifications in the target-absent lineup (Experiment 2) but had no effect on correct identifications in the target-present lineup (Experiment 1). These results are discussed with respect to memory strength and decision making strategies.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0182907&type=printable
spellingShingle Michelle E Stepan
Taylor M Dehnke
Kimberly M Fenn
Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
PLoS ONE
title Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
title_full Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
title_fullStr Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
title_full_unstemmed Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
title_short Sleep and eyewitness memory: Fewer false identifications after sleep when the target is absent from the lineup.
title_sort sleep and eyewitness memory fewer false identifications after sleep when the target is absent from the lineup
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0182907&type=printable
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AT kimberlymfenn sleepandeyewitnessmemoryfewerfalseidentificationsaftersleepwhenthetargetisabsentfromthelineup