The use of an olfactometer for directly presenting odorants opens exciting opportunities for researchers of olfactory memory. The current paper discusses issues related to this methodology as related to a previously published experiment on olfactory context dependent memory.
Hackländer, R. P., Bermeitinger, C. Olfactory Context Dependent Memory: Direct Presentation of Odorants. J. Vis. Exp. (139), e58170, doi:10.3791/58170 (2018).