बेफोरो बे जाहोननि बाहागो होनना सानजादोंमोन दि मानो मानसिनि मेलेमा गुबुन मेमालफोरनिख्रुइ जौगासार सानगोहो रोंथायफोरखौ साबसिनै मोनदों ।
They are thought to be part of the reason why the human brain has developed advanced cognitive abilities beyond that of most other mammals .