A multi-modal olfactometer including a carrier assembly slidably coupled with a track and movable between a loading and testing position, a distribution block coupled with the carrier assembly and including a plurality of independent flow channels, a plurality of bottles configured for containing a gas stimuli and for being coupled with the distribution block, a plurality of tubes in flow communication with corresponding channels defined in the distribution block, an outlet piece including a plurality of independent flow channels that are each in flow communication with one of the respective tubes, and at least one actuator positioned adjacent to the bottles when the carrier assembly is in the testing position. The actuator operates to impact each of the bottles to cause the respective gas stimulus to flow through the respective channel in the distribution block, tube, and channel in the outlet piece for inhalation by a test subject.