Comment by ProfChronos

Fascinating study. It really triggers questions around how animals' memory work - short term vs long-term, trauma vs joy, etc. I have a 2-year French shepherd (Beauceron) who, while being smart, has a very limited long-term memory. I am almost convinced that he cannot make the difference between waiting for me 5 minutes and 5 hours. At the same time, his trauma or joy memory works incredibly well: he perfectly remembers people he only saw 2/3 times when he was 2 months or objects that hurt him. I always feel like animals are trapped between an absolute lack of time and space consciousness and an incredibly sharp conscious of feeling