Final answer:
The frontal lobe of the brain plays a crucial role in language production and comprehension. Damage to the left or right side of the frontal lobe can affect different aspects of language functions. While language functions are primarily localized to the left hemisphere, there are cases when language functions can be impacted by damage to the right hemisphere.
Step-by-step explanation:
The frontal lobe, which is located at the front of the brain, plays an important role in language production and comprehension. Damage to the left side of the frontal lobe can result in aphasia, a loss of speech function. On the other hand, damage to the right side of the frontal lobe can affect the ability to understand figurative aspects of speech and nonverbal aspects of communication.
The language functions of the brain are primarily localized to the left hemisphere in most individuals. Motor commands from the left hemisphere control the opposite side of the body, including the right arm and hand. Language is processed in the left side of the brain and influences the left brain and right arm motor functions. However, there are documented cases where language functions can be lost from damage to the right side of the brain. In a split-brain patient, where the corpus callosum has been cut, verbal responses based on sensory information processed on the right side of the brain may be impacted, leading to the misconception that language function is solely controlled by the left side of the brain.