How have cases of people with brain damage, such as Phineas Gage and Broca's patient, contributed to our understanding of the relationship between brain and behavior?

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These cases, like Phineas Gage, who suffered a dramatic personality change after a brain injury, and patients with Broca's aphasia, who struggle with speech production due to damage in a specific brain area, have significantly contributed to the understanding that certain brain regions are responsible for specific behaviors. This has helped in mapping the brain's functions and understanding how different parts control different aspects of behavior and cognition.

How Have Cases of People with Brain Damage, Such as Phineas