While other primates like chimpanzees and gorillas have impressive cognitive abilities, humans stand out due to:
* Brain size: Our brain is proportionally larger than any other primate's.
* Cortical complexity: The neocortex, the part of the brain responsible for higher-level functions like language and abstract thought, is significantly more developed in humans.
* Neural density: We have a higher density of neurons in our brains, allowing for more complex processing.
It's important to note that "most developed" can be subjective. Different primates have evolved specific cognitive abilities that suit their ecological niche. But in terms of overall complexity and capacity for abstract thought and problem-solving, the human brain reigns supreme.