The fluctuations were from the first associated in my mind with upward or downward movements.
这些波动都和那些来自我的大脑的那些或高或低的变化相关联。
2
One way is by implanting electrodes into the brain to measure the electrical activity associated with certain movements.
其中一个方法是将电极植入脑中来测量特定运动的电磁波；
3
But if they are to succeed, companies both big and small will first have to assuage growing concern over the privacy issues associated with collecting information about people's movements.