Answer:
Theta wave
Step-by-step explanation:
Brain Waves
This is simply refered to as different rates or levels of consciousness that is said to be revealed by different patterns of electrical activity in the brain with humans or animals.
Electroencephalogram
This is often called EEG. It main function is to record brain activity.There are four wave types associated with an EEG. They includes:
1. Alpha waves- this is said to occur in healthy awake brains of adults in state of rest with eyes closed
2. Beta waves- this is often said to be a form of an higher-frequency waves that shows up in people who may be concentrating on a task,or are under stress, or in a state of psychological tension.
3.Theta waves- This has a probability of occurrence during sleep in normal adults, but found frequently in children and in highly frustrated adults.
4. Delta waves- this is said to be of low-frequency and are often seen during deep sleep in any ages.