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Q J Exp Psychol (Hove). 2013;66(4):635-41. doi: 10.1080/17470218.2013.764332. Epub 2013 Feb 28.

Is boundary extension emotionally selective?

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Laboratoire de Psychologie EA 3188, Université de Franche-Comté, 25000 Besançon, France.


When they have to memorize a picture, people usually build a memory trace including more extensive boundaries than the original picture, a phenomenon known as boundary extension or BE. This article looks at whether the emotion category expressed (i.e., happiness, pleasure, irritation, or anger) by actors in short films could have an influence on the BE effect. The results showed that positively valenced emotions (happiness, pleasure) led to an extension effect, while the negatively valenced ones (anger, irritation) did not produce any significant memory distortion. The arousal dimension of emotions had no significant effect on BE. The current results were discussed in the light of previous studies on the links between BE and emotions.

[Indexed for MEDLINE]

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