脑电图仪

例句：

1. 1. The doctor used an electroencephalogram to diagnose the patient's condition.
   医生使用脑电图来诊断病人的状况。
2. 2. The study found that EEG could help detect early signs of Alzheimer's disease.
   研究发现，脑电图可以帮助检测阿尔茨海默病的早期迹象。
3. 3. During the test, the patient was asked to lie still and relax their muscles, which is essential forgetting accurate readings from an electroencephalogram.
   在测试期间，患者被要求保持静止并放松肌肉，这是从脑电图获取准确读数所必需的。