This reminds of research done on category-specific semantic deficits, where there can be neurodegeneration that impacts highly specific or related knowledge (fo

This reminds of research done on category-specific semantic deficits, where there can be neurodegeneration that impacts highly specific or related knowledge (for example, brain trauma that affects a person's ability to understand living things like zebras and carrots, but not non-living things like helicopters or pliers). https://academic.oup.com/brain/article/130/4/1127/278057 https://academic.oup.com/brain/article/130/4/1127/278057