The ability of odours to serve as state-dependent cues for real-world memories: Can Viking smells aid the recall of Viking experiences?

Author(s): Waskett, L.

Journal/Book: Brit J Psychol. 1999; 90: St Andrews House, 48 Princess Rd East, Leicester, Leics, England Le1 7Dr. British Psychological Soc. 1-7.

Abstract: This study determined the extent to which re-exposure to the unique combination of odours present in a museum (the Jorvik Viking Centre in York) aids the recall of a previous visit to the museum, which had typically taken place several years earlier. To test this, three groups of participants completed questionnaires about the contents of the museum, but in different conditions. One group completed the questionnaire in the presence of exactly the same distinctive odours as those present in the museum at the time of their original visit. Those in two other groups were given either a different (control) set of odours or no odours at all. After a brief delay, the same questionnaire was presented again to participants in all three groups. Those who had initially been given a novel (control) set of odours were now tested in the presence of the genuine Jorvik museum odours, while the group that had received the Jorvik odours were now tested with the control odours. The third group received no odours on either test. Only the novel odour-Jorvik odours condition led to a highly significant improvement in performance. This interaction showed that the museum odours could act as effective retrieval cues for this incidentally acquired, real-world episode.

Note: Article Aggleton JP, Cardiff Univ, Sch Psychol, POB 901, Cardiff CF1 3YG, S Glam, WALES

Keyword(s): AMYGDALA; ODOR

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