https://www.wired.com/story/scientists-taught-mice-to-smell-an-odor-that-doesnt-exist/
Grace Huckins
Science
06.25.2020 07:00 AM
Scientists Taught Mice to Smell an Odor That Doesn’t Exist
With direct brain stimulation, mice learned to recognize an imaginary scent—and helped researchers understand a key piece of the olfactory puzzle.
“By avoiding the issues of manipulating odor molecules entirely and instead going directly to the brain, Chong and his colleagues were able to investigate in detail the aspects of brain activity that matter most for our sense of smell.”