Lab #9: Electroencephalography (EEG) Questions With Solutions

Lab #9: Electroencephalography (EEG)
Questions With Solutions

brain activity under different conditions What does an EEG record?




alpha Brain wave patterns that occur when you are relaxed with eyes closed




8-13 What is the frequency range of alpha waves in hertz?




beta Brain wave patterns that occur when you are alert with eyes open.




13-30 What is the frequency range of beta waves in hertz?




theta Brain wave patterns that occur in young children and in some sleep patterns-when

you are drowsy and starting to fall asleep




4-8 What is the frequency range of theta waves in hertz?




delta Brain wave patterns that occur in deep sleep when there is no dreaming