Component of the temporal lobe, lateral aspect. The rostral boundary is the rostral extent of the ssuperior temporal sulcus. The caudal boundary is the cauday portion of the superior temporal gyrus (posterior to becoming continuous with the supramarginal gyrus). The medial boundary is the lateral fissure (and when present the supramarginal gyrus), and the lateral boundary is the superior temporal suclus (Christine Fennema-Notestine). [ ]