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Long-term memory for odors: influences of familiarity and identification across 64 days
Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden.
Department of Psychology, Stockholm University, Stockholm, Sweden.
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för socialt arbete och psykologi, Psykologi. Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden.
Department of Psychology, Lund University, Lund, Sweden.
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2015 (Engelska)Ingår i: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 40, nr 4, s. 259-267Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Few studies have investigated long-term odor recognition memory, although some early observations suggested that the forgetting rate of olfactory representations is slower than for other sensory modalities. This study investigated recognition memory across 64 days for high and low familiar odors and faces. Memory was assessed in 83 young participants at 4 occasions; immediate, 4, 16, and 64 days after encoding. The results indicated significant forgetting for odors and faces across the 64 days. The forgetting functions for the 2 modalities were not fundamentally different. Moreover, high familiar odors and faces were better remembered than low familiar ones, indicating an important role of semantic knowledge on recognition proficiency for both modalities. Although odor recognition was significantly better than chance at the 64 days testing, memory for the low familiar odors was relatively poor. Also, the results indicated that odor identification consistency across sessions, irrespective of accuracy, was positively related to successful recognition.

Ort, förlag, år, upplaga, sidor
2015. Vol. 40, nr 4, s. 259-267
Nyckelord [en]
face recognition, identification consistency, odor recognition, olfactory forgetting
Nationell ämneskategori
Psykologi
Identifikatorer
URN: urn:nbn:se:hig:diva-19109DOI: 10.1093/chemse/bjv003ISI: 000355703500006Scopus ID: 2-s2.0-84929393529OAI: oai:DiVA.org:hig-19109DiVA, id: diva2:795306
Forskningsfinansiär
Vetenskapsrådet, 2011-01792Riksbankens Jubileumsfond, M14-0375:1Tillgänglig från: 2015-03-16 Skapad: 2015-03-16 Senast uppdaterad: 2019-08-12Bibliografiskt granskad

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