https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979204Edit ImageSaveSaveEditCropCustom TextLeft profile of a head showing depressed frontal lobes. Drawing, c. 1900.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 938 x 1200 px | 300 dpiLarge JPEG 1488 x 1904 px | 300 dpiFree DownloadLeft profile of a head showing depressed frontal lobes. Drawing, c. 1900.More