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Objects vs Images for Method of Loci in Mixed Reality: Comparing the efficacy of using 3D objects against 2D images in the Method of Loci
KTH, School of Electrical Engineering and Computer Science (EECS).
2024 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Object eller Bilder för Loci-Metoden i Mixed reality : En jämförelse av användandet av 3D object och 2D bilder för Loci-Metoden (Swedish)
Abstract [en]

The method of Loci is a mnemonic where information recall is improved by visualising spatial locations. Recently, a lot of research has been done on the method of Loci in virtual reality, where participants get to memorise an ordered list of objects by placing virtual representations of the objects in virtual environments. Some studies use 2D images to represent these objects, whilst others use 3D models. There is no consensus on how objects should be represented, but this could have an impact on users memory retention. This study tests if there is a difference in memory retention from using the method of Loci with either 3D models or 2D images. A mixed reality method of Loci application was developed where objects could be represented either in 2D or 3D. Using this application, a between-subject test with 20 participants was performed to test if there was any difference in memory retention between the two modalities. The study did not find a significant difference between the 2D and 3D groups. However, the study had multiple limitations such as a limited number of participants, the limited physical space of the location where the test was performed and and the limited number of objects. A future study without the limitations in this study could find that there is a significant difference between the two, which could have a great impact on how future studies in the field are performed.

Abstract [sv]

Minnespalats är en minnesregel där saker som ska memoreras kodas till platser i en välkänd omgivning. På senaste åren har mycket forskning om minnespalats gjorts i virtual reality, där deltagare får komma ihåg en lista med objekt genom att placera virtuella representationer av objekten i en virtuell omgivning. Vissa studier använder bilder för att representera objekten, medan andra använder 3D modeller. Trots att representationen som väljs kan ha en stor betydelse för minnet finns det ingen konsensus inom forskningen om vilken representation som bör väljas. Den här studien testar om det finns någon skillnad i hur väl folk minns efter att ha använt minnespalats med bilder och 3D modeller. En minnespalatsapplikation skapades för mixed reality där objekten kunde representeras antingen i 2D eller 3D. Med applikationen utfördes ett test där 20 deltagare delades in i två grupper för att se om 2D eller 3D gav bäst förutsättningar för minnesbildning. Ingen signifikant skillnad hittades mellan grupperna. Dock hade studien flera begränsningar, såsom antalet deltagare, platsen det utfördes på, mängden objekt i studien, osv. En framtida studie utan samma begränsningar skulle kunna hitta en signifikant skillnad mellan de 2D och 3D, vilket skulle kunna ha en stor effekt på hur framtida studier inom området utförs.

Place, publisher, year, edition, pages
2024. , p. 47
Series
TRITA-EECS-EX ; 2024:981
Keywords [en]
Method of Loci, Mixed Reality, Memory
Keywords [sv]
Loci-Metoden, Mixed Reality, Minne
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-361401OAI: oai:DiVA.org:kth-361401DiVA, id: diva2:1945314
Supervisors
Examiners
Available from: 2025-03-24 Created: 2025-03-18 Last updated: 2025-03-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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