Ventral surface of H.M.’s brain. "The fixed specimen was photographed after removal of the leptomeninges. Evidence of the surgical lesions in the temporal lobes is highlighted by white geometric contours (a, b). A mark produced by the oxidation of one of the surgical clips inserted by Scoville is visible on the parahippocampal gyrus of the right hemisphere (black arrow). (c) encloses a lesion in the orbitofrontal gyrus that affects the cortex and WM..."
Schizencephaly is a rare cortical malformation that manifests as a grey matter-lined cleft extending from the ependyma to the pia mater. Schizencephaly can sometimes be bilateral, and is divided into two morphological types: open lip the cleft walls are separated and filled with CSF closed lip the cleft walls are in apposition http://radiopaedia.org/articles/schizencephaly
Brain Game: The Stroop Effect Try to say the color of the words, instead of actually reading them. You will find it surprisingly difficult. The right half of your brain is trying to say the colors, the left half is trying to say the word itself. This picture brain teaser is used by mountaineers to test if their concentration is ok. (by J. R. Stroop).