The EEG Brain Signals Related to Humans Lie Activity by Lightweight Device

Abstract

The brain function in human activities generates the chemical transmitting between neurons causing small electricity current. Now, there are several tools to record the chemical electric data in human brain. Accordingly, the easy method of the brainwave collecting is the Electro Encephalo Graphy (EEG) which places the electrode on the important head point. In this paper, authors used NeuroSky MindWave device to record the EEG. Researchers focus on answers, true or false, from 5 participants with 8 animal pictures that they had seen. For first round, the participants should give the type of animals as true answers. For second round, participants gave the type of animals with false answer. In the experiment, we designed the time to collect the wave in 80 seconds for each round. We separated the time range with 1 to 20 seconds and 61 to 80 seconds for meditation and we analyzed the wave in 21 to 60 seconds ranging by the time looking at each picture for 5 seconds. After that, we analyzed the results based on the hypothesis testing with t-test score and p-value. Finally, we found a higher change on alpha, theta and gamma signals with the statistically significant acceptance.