P300 Component

《英文msh词典》P300 Component
[入口词] P300 Component
[主题词] Event-Related Potentials,P300
[英文释义] A late-appearing component of the event-related potential. P stands for positive voltage potential and 300 represents 300 millisecond poststimulus. Its amplitude increases with unpredictable,unlikely,or highly significant stimuli and thereby constitutes an index of mental activity. (From Campbell,Psychiatric Dictionary,6th ed)