Fig. 7From: Differences in fixation to young and elderly quadrilateral surfaces with anatomic quadrilateral surface plate (AQSP) based on cortical thickness morphological resultsThin cortical thickness position distribution of the two different types. a The region was located in zone “B”. b The corresponding cortical thickness map. c The region was located in the “A + B” zone, and the small part was in zone “A”. d The large part was in zone “B”. e The corresponding cortical thickness map in this patientBack to article page