The Mechanism of the Brain
Bianchi, Leonardo![The Mechanism of the Brain](https://support.digitalhusky.com/media/annotations/sorted/247/24709126/CHSBZCOP0324709126.jpg)
Excerpt from The Mechanism of the Brain: And the Function of the Frontal LobesIn 1881 I had occasion to observe a remarkable feature relating to dogs which had undergone extirpation of the sigmoid gyrus of both sides. I was struck by the fact that there was an appreciable difference in behaviour between those animals in which the extirpation had been limited chie¿y to the sigmoid gyrus, affecting either the whole or a part of that convolution,...