The results aren't really that surprising, given that it takes ~20 minutes between the time you put food in your mouth to the time the brain recognizes satiatio

The results aren't really that surprising, given that it takes ~20 minutes between the time you put food in your mouth to the time the brain recognizes satiation. If you eat slower it'll give your brain time to adjust to keep up with how much you've consumed. If you don't you'll keep cramming food in until your REALLY full.