posterotemporal

pos·ter·o·tem·po·ral

(pos'tĕr-ō-tem'pŏ-răl),
Relating to or lying in the posterior portion of the temporal lobe of the cerebrum.

posterotemporal

(pŏs″tĕr-ō-tĕm′pō-răl) [″ + temporalis, temporal]
Located at the back of the temporal bone.