Paper is from 2016. Huberman Labs has a great roundup (Nov '21) of the research on time perception - and several other related series on dopamine. The title of OP was not surprising after listening. https://hubermanlab.com/time-perception-and-entrainment-by-d...
I thought of this when reading the heading. I remember hearing ages ago that artificial sweeteners can kick someone out of ketosis sometimes and this podcast gave a good explanation of it.