A brainwave signal analysis device and a concentration analysis method using the device are disclosed. The brainwave signal analysis device is constituted of a plurality of electrode patches, a brainwave capturing unit, a signal processing unit, and a display unit. The brainwave signal analysis device is for detecting brainwave signals of a subject. The subject performs an activity and the brainwave signal analysis device performs detection of the subject before the subject performs the activity and performs detection of the subject after the subject performs the activity, in order to respectively obtain Gamma(&gamma) wave energy intensity before the activity and Gamma wave energy intensity after the activity. The brainwave signal analysis device compares change of the Gamma(&gamma) wave energy intensity before and after the activity, in order to obtain concentration change of the subjects brain.一種腦波訊號分析裝置及利用其之專注力分析方法,該腦波訊號分析裝置係由複數電極貼片、一腦波擷取單元、一訊號處理單元以及一顯示單元構成,該腦波訊號分析裝置係用以偵測一受測者之腦波訊號;由該受測者進行至少一項活動,且由腦波訊號分析裝置對受測者進行活動前進行一次偵測,以及對受測者進行活動後進行一次偵測,並分別得到一活動前之Gamma(γ)波能量強度,以及一活動後之Gamma(γ)波能量強度;由腦波訊號分析裝置比較活動前之Gamma(γ)波能量強度以及活動後之Gamma(γ)波能量強度之強度變化,以得知受測者腦部之專注力之變化。10‧‧‧腦波訊號分析裝置11A‧‧‧第一電極貼片11B‧‧‧第二電極貼片11C‧‧‧第三電極貼片12‧‧‧腦波擷取單元121‧‧‧放大器122‧‧‧濾波器13‧‧‧訊號處理單元131‧‧‧類比輸入(AI)通道132‧‧‧類比輸出(AO)通道133‧‧‧數位輸入輸出(DIO)通道134‧‧‧計數器14‧‧‧電力供應單元15‧‧‧顯示單元
