Final answer:
There is evidence supporting both localization of function and equal potential in the brain when it comes to language. Localization of function suggests that specific areas of the brain control specific functions, such as language, while equal potential acknowledges cases of language functions being lost from damage to the right side of the brain. Studies of split brains have also provided support for the localization of language function to the left hemisphere, but there are limitations to this research.
Step-by-step explanation:
There is evidence supporting both localization of function and equal potential in the brain when it comes to language. Localization of function suggests that specific areas of the brain control specific functions, such as language. For example, damage to Broca's or Wernicke's areas in the left hemisphere can result in language deficits known as aphasias. However, there are cases of language functions being lost from damage to the right side of the brain, demonstrating equal potential.
Studies of split brains have also provided support for the localization of language function to the left hemisphere. After separating the two hemispheres, split-brained patients have trouble producing verbal responses based on sensory information processed on the right side of the brain. This suggests that the left side is responsible for language function.
However, it's important to note that there are limitations to the research on localization of function in the brain. Not all researchers agree on whether specific parts of the brain control specific functions, and further research is still needed to fully understand the complexities of brain function and language.