{"fact":"When crows make mistakes in rule-based tasks, the activity in their NCL is weaker, suggesting these neurons are crucial for their decision-making.","context":"If the rule-coding neurons are relevant for the birds and predict their choice behaviour, their responses should differ in trials in which the birds made a mistake; that is, when they were instructed to use the ‘match’ rule, but they followed the ‘nonmatch’ rule instead, or vice versa.","source":"Lena Veit; Andreas Nieder, Abstract rule neurons in the endbrain support intelligent behaviour in corvid songbirds, 10.1038/ncomms3878","index":215}