The invention relates to a device and a method for recognizing emotions, feelings and physiological needs by adopting EEG, EMG and ECG signals, which are used for acquiring related feeling and emotion information from the EEG, EMG and ECG signals. The method and the device collect corresponding EEG, EMG and ECG signals, acquire related physiological feelings such as sour, sweet, bitter, spicy, salty, cold, hot, hungry, thirsty, pain, ache, pain, numb, itch and stuffy, physiological needs of urination and defecation, as well as psychological emotions such as joy, anger, sorrow, contemplate, sad, fear and panic, and demonstrate the emotions, feelings and physiological needs by utilizing the specific device and method according to a certain strategy. Since the emotions, feelings and physiological needs are accurately demonstrated by adopting the device and the method, the device and the method can be used for taking care of infants, the aged, patients, pets, livestock and the like more conveniently, are widely used in aspects of smart home, smart care, smart breeding and the like, and have great commercial application value and prospect.
Device and method for recognizing emotion, feeling and physiological need by adopting EEG, EMG and ECG signals