08 Jun '14 17:41>2 edits
The only reason why this headline caught my attention is that it made be wonder how on earth can you scientifically identify 'regret' in a rat!
This link explains how;
http://medicalxpress.com/news/2014-06-reveals-rats-cognitive-behavior-thought.html
So rats really do seem to have something we can call 'regret'! ( but possibly a more rudimentary form of it than our regret because they may not have the same conscious awareness of this state of the brain? -I assume science will one day tell us but not any time soon )
This link explains how;
http://medicalxpress.com/news/2014-06-reveals-rats-cognitive-behavior-thought.html
So rats really do seem to have something we can call 'regret'! ( but possibly a more rudimentary form of it than our regret because they may not have the same conscious awareness of this state of the brain? -I assume science will one day tell us but not any time soon )