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The devil is not only in the details: gist and detail elaboration in intoxicated witnesses’ reports of interpersonal violence

Artikel i vetenskaplig tidskrift
Författare Malin Hildebrand Karlén
Emma Roos Af Hjelmsäter
Gisli H. Gudjonsson
Publicerad i Psychology, Crime and Law
Volym 25
Nummer/häfte 4
Sidor 319-344
ISSN 1068-316X
Publiceringsår 2019
Publicerad vid Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi
Psykologiska institutionen
Centrum för etik, juridik och mental hälsa
Sidor 319-344
Språk en
Länkar https://doi.org/10.1080/1068316X.20...
Ämnesord Alcohol intoxication, delayed interview, eye witnesses, gist, level of detail
Ämneskategorier Tillämpad psykologi

Sammanfattning

The empirical base relating to alcohol’s effects on underlying memory mechanisms among witnesses is sparse. Therefore, the effect of alcohol intoxication on memory mechanisms was investigated, as well as how degree of intoxication and interview delay affected gist and detail elaboration in these witnesses’ reports. Participants (n = 136) were randomized to an alcohol group (men: 0.8 g/kg, women: 0.75 g/kg) (n = 70) or a control group (n = 66), given juice. After consumption, they witnessed an intimate partner violence-scenario, and performed tasks assessing memory mechanisms. Half of the intoxicated and sober groups were interviewed immediately. The remaining participants were interviewed one week later. Inter alia, intoxication decreased total gist recall and elaboration capacity. In general, high intoxication (BAC = 0.08–0.15) made witnesses report fewer gist categories, and also to elaborate them less, but there were differences in gist/detail elaboration between levels of intoxication due to emotional context. Less reported information among intoxicated witnesses was caused both by omitting parts of the scenario and to less detailed elaboration. Emotional context influenced reporting among intoxicated witnesses on a gist and detail level. However, intoxication had less impact on gist/detail-elaboration than did a one week delay before interview, suggesting that witnesses should be interviewed immediately, despite intoxication.

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