keywords ACTIVATION ASYMMETRY AGE 15 YEARS BEHAVIORAL-INHIBITION BRAIN ELECTRICAL-ACTIVITY ELECTROENCEPHALOGRAM ASYMMETRY FRONTAL EEG ASYMMETRY Life Sciences & Biomedicine NORMAL INFANCY Neurosciences Neurosciences & Neurology Psychology Psychology, Biological RECOGNITION MEMORY RESPIRATORY SINUS ARRHYTHMIA Science & Technology Social Sciences VISUAL SUSTAINED ATTENTION