Abstract: PDP was used to explored the development of implicit and explicit memory on nonlinguistic recognition and the relationship between them, which were calculated by the contributions of consciousness and from inclusion test and exclusion test.. The design was 5(age) *2　(contributions : consciousness and unconsciousness ).The results revealed that in nonlinguistic recognition :1)the contributions of consciousness decreased with age; 2) the contributions of unconsciousness increased with age .3)the two lines intersects at the undergraduate point. Thus, we developed the work of concrete and steel to the trade-off phenomenon of the contributions of consciousness and unconsciousness

Key words: consciousness, unconsciousness, nonlinguistic, contribution, trade-off