From the study itself: > Moreover, exceptionally well-preserved complex networks of neurons, axons, and other neural structures have been revealed by Scanning

From the study itself: > Moreover, exceptionally well-preserved complex networks of neurons, axons, and other neural structures have been revealed by Scanning Electron Microscope (SEM) investigation of the brain remains and those of the spinal cord https://www.nature.com/articles/s41598-025-88894-5 https://www.nature.com/articles/s41598-025-88894-5