Sample MRI scans showing the manual tracing technique of the hippocampus. (a) Full coronal image of the brain. (b) Sagittal view of the length of the hippocampal measurement. (c) A section of the image at 2 × magnification showing a close-up of the hippocampus in that slice. (d) The hippocampus traced (white outline).
MacMaster and Kusumakar BMC Medicine 2004 2:2 doi:10.1186/1741-7015-2-2