Alcohol-induced retrograde facilitation renders witnesses of crime less suggestible to misinformation

Julie Gawrylowicz*, Anne M. Ridley, Ian P. Albery, Edit Barnoth, Jack Young

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Rationale: Research has shown that alcohol can have both detrimental and facilitating effects on memory: intoxication can lead to poor memory for information encoded after alcohol consumption (anterograde amnesia) and may improve memory for information encoded before consumption (retrograde facilitation). This study examined whether alcohol consumed after witnessing a crime can render individuals less vulnerable to misleading post-event information (misinformation). Method: Participants watched a simulated crime video. Thereafter, one third of participants expected and received alcohol (alcohol group), one third did not expect but received alcohol (reverse placebo), and one third did not expect nor receive alcohol (control). After alcohol consumption, participants were exposed to misinformation embedded in a written narrative about the crime. The following day, participants completed a cued-recall questionnaire about the event. Results: Control participants were more likely to report misinformation compared to the alcohol and reverse placebo group. Conclusion: The findings suggest that we may oversimplify the effect alcohol has on suggestibility and that sometimes alcohol can have beneficial effects on eyewitness memory by protecting against misleading post-event information.

Original languageEnglish
Pages (from-to)1267-1275
Number of pages9
JournalPsychopharmacology
Volume234
Issue number8
Early online date19 Feb 2017
DOIs
Publication statusPublished - 1 Apr 2017
Externally publishedYes

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Crime
Communication
Alcohols
Alcohol Drinking
Anterograde Amnesia
Placebos
Research

Cite this

Gawrylowicz, Julie ; Ridley, Anne M. ; Albery, Ian P. ; Barnoth, Edit ; Young, Jack. / Alcohol-induced retrograde facilitation renders witnesses of crime less suggestible to misinformation. In: Psychopharmacology. 2017 ; Vol. 234, No. 8. pp. 1267-1275.
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Alcohol-induced retrograde facilitation renders witnesses of crime less suggestible to misinformation. / Gawrylowicz, Julie; Ridley, Anne M.; Albery, Ian P.; Barnoth, Edit; Young, Jack.

In: Psychopharmacology, Vol. 234, No. 8, 01.04.2017, p. 1267-1275.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Alcohol-induced retrograde facilitation renders witnesses of crime less suggestible to misinformation

AU - Gawrylowicz, Julie

AU - Ridley, Anne M.

AU - Albery, Ian P.

AU - Barnoth, Edit

AU - Young, Jack

PY - 2017/4/1

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N2 - Rationale: Research has shown that alcohol can have both detrimental and facilitating effects on memory: intoxication can lead to poor memory for information encoded after alcohol consumption (anterograde amnesia) and may improve memory for information encoded before consumption (retrograde facilitation). This study examined whether alcohol consumed after witnessing a crime can render individuals less vulnerable to misleading post-event information (misinformation). Method: Participants watched a simulated crime video. Thereafter, one third of participants expected and received alcohol (alcohol group), one third did not expect but received alcohol (reverse placebo), and one third did not expect nor receive alcohol (control). After alcohol consumption, participants were exposed to misinformation embedded in a written narrative about the crime. The following day, participants completed a cued-recall questionnaire about the event. Results: Control participants were more likely to report misinformation compared to the alcohol and reverse placebo group. Conclusion: The findings suggest that we may oversimplify the effect alcohol has on suggestibility and that sometimes alcohol can have beneficial effects on eyewitness memory by protecting against misleading post-event information.

AB - Rationale: Research has shown that alcohol can have both detrimental and facilitating effects on memory: intoxication can lead to poor memory for information encoded after alcohol consumption (anterograde amnesia) and may improve memory for information encoded before consumption (retrograde facilitation). This study examined whether alcohol consumed after witnessing a crime can render individuals less vulnerable to misleading post-event information (misinformation). Method: Participants watched a simulated crime video. Thereafter, one third of participants expected and received alcohol (alcohol group), one third did not expect but received alcohol (reverse placebo), and one third did not expect nor receive alcohol (control). After alcohol consumption, participants were exposed to misinformation embedded in a written narrative about the crime. The following day, participants completed a cued-recall questionnaire about the event. Results: Control participants were more likely to report misinformation compared to the alcohol and reverse placebo group. Conclusion: The findings suggest that we may oversimplify the effect alcohol has on suggestibility and that sometimes alcohol can have beneficial effects on eyewitness memory by protecting against misleading post-event information.

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