What was the overall result of lashleys research that sought out the engram of human memory?

Question: What was the overall result of lashleys research that sought out the engram of human memory?

Lesions that undercut slabs of cortex had far more severe consequences lesions that were perpendicular to the cortex. Leshley found that a rat could make visual discriminations with only IA6of its visual cortex intact. This also proved true for the motor cortex.