Leonardo da Vinci is well known as an Italian Renaissance painter of immense intellectual and creative powers. He was, in addition, a inventor, sculptor, engineer and alot of other stuff.
That is a painting of Judith and her Maidservant. 1615 painting by the Italian baroque artist Artemisia Gentileschi. It hangs in the Pitti Palace, Florence.
Both are mammals
Both are quadrupeds
Both are house pets
Dogs originate from wolves while cats originate from other larger wild cats
Dogs bark while cats meow
Cats are more flexible than dogs
Limb was trying to understand what was happening in the brain while he was using the instinctual thought process in his own brain.After studying other musicians he was able to show that the area of the brain that is connected to observation and self-monitoring is the activated when musicians are using their brain to contrive.
Hope this helpss