Answer: The newest part of the brain in an evolutionary sense is the neocortex, which is found only in mammals and particularly in primates. It is the outermost and largest part of the cerebral cortex and is responsible for a wide range of higher cognitive functions, including perception, spatial reasoning, conscious thought, and language. It is believed to have evolved relatively recently, in terms of evolutionary history, and is thought to be responsible for the complex social and cognitive behaviors that are unique to primates, including humans.
Step-by-step explanation: