if this is true, how can they be trained?
Different part of the brain is involved.................
Was thinking the same thing.
I had a dog that needed to be trained to use a little foot stool to get on my bed. It took time but finally she remembered - jump on foot stool then you can jump on the bed.
When I shake the bag of treats my fog knew what it was and freaked out accordingly. She remembered, didn’t she?