Original sentence: In the early 1950s, during brain mapping studies with Penfield and Jasper, Feindel discovered the role of the amygdala in patients with temporal lobe seizures, which, with related studies at the MNI,  led to the operation of antero-mesial temporal lobe resection often referred to as "the Montreal procedure", an operation adopted world-wide for the surgical cure of many thousands of patients with epilepsy
Edited sentence: In the early 1950s, during brain mapping studies with Penfield and Jasper, Feindel discovered the role of the amygdala in patients with temporal lobe seizures, which, with related studies at the MNI,  led to the operation of antero-mesial temporal lobe resection often referred to as "the Montreal procedure", an operation adopted worldwide for the surgical cure of many thousands of patients with epilepsy