Recognizing odors associated with meaningful places

Thirty-two undergraduates inhaled odors while outlining episodes, set in 8 living rooms, involving either themselves or the actual inhabitants. They rated odors, rooms, and episodes on 7-point scales and were tested for odor recognition. Episodes were content analyzed, and the frequency of categories was assessed. Separate factor analyses determined relationships between rating scales and content analysis categories. Regression analysis showed greater odor recognition when participants judged the odor to fit the imagined episode but less recognition when an unpleasant odor was incongruously paired with a warm episode. Odor recognition also was greater when the narrative outlines described familiar characters figuring out the scenes. Results supported the congruity hypothesis, whereby odors become markers for meaningful scenes with which they fit.