Definition: You are given a sentence in English. Your job is to translate the English sentence into Galician.
Input: And when they had reached a plateau of performance, we did a lesion in the motor cortex corresponding to the hand motion.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Cando alcanzaron unha certa habilidade, causámoslles unha lesión no córtex motor correspondente ao control da man.