Putanga 1: Ki te pakaru te PPC i te wā poto, otirā te PPC o te hemisphere matau, ka tino ngoikore te mahara puta noa i ngā pūmārō. Putanga 2: Ka pakaru te PPC i te wā poto, otirā te PPC i te taha matau, ka tino ngoikore te mahara ki ngā tūtohi. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
Āe, āe