Presence predicts false memories of VE content Bertus Labuschagne CVC Laboratory Dept of Computer Science University of Cape Town

Introduction Presence and Memory in VEs False memories and the DRM procedure Deese-Roediger-McDermott Possible DRM effects in VEs Predictions for this study

Procedure Sample and Design Apparatus Virtual Environment Measures Memory Questionnaire Presence Measure

Procedure: Sample and Design

Procedure: Apparatus Four Desktop Computers Virtual Environment Medieval European Monastery Used Quake Keys interface Search and Collect Task Different object/location each time Books, candlesticks or small chests

Procedure: Measures Memory Questionnaire Presence Measure

Results (1/3) Validation of false memory items

Rates of false memories Presence effects on memory items Results: continued (2/3)

Results: continued (3/3) Presence effects on false memory items Delayed presence effects on false memory items

Discussion