title: The pendulum of progress.
mesh_terms: D000293:Adolescent; D000328:Adult; D001254:Astrocytoma / Q000175:diagnosis*; D003201:Computers; D005071:Evoked Potentials; D005910:Glioma / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D008297:Male; D009900:Optic Nerve; D009901:Optic Nerve Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009902:Optic Neuritis / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D014056:Tomography, X-Ray; D014463:Ultrasonography; D014796:Visual Perception