Sciatica is pain, tingling, or numbness produced by an irritation of the nerve roots that lead to the sciatic nerve.The sciatic nerve is formed by the nerve roots coming out of the spinal cord into the lower back. It goes down through the buttock, then its branches extend down the back of the leg to the ankle and foot.ciatica is pain, tingling, or numbness produced by an irritation of the nerve roots that lead to the sciatic nerve.
prefrontal lobotomy - surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes. frontal lobotomy, leucotomy, leukotomy, lobotomy, prefrontal leucotomy, prefrontal leukotomy.
The dorsolateral prefrontal cortex (DLPFC or DL-PFC) is an area in the prefrontal cortex of the brain of humans and primates.It is one of the most recently evolved parts of the human brain, that undergoes an extremely prolonged period of maturation that lasts until adulthood.LPFC is not an anatomical structure, but rather a functional one. This region lies in the middle frontal gyrus of humans (i.e., lateral part of Brodmann's area (BA) 9 and 46 and in macaque monkeys, this region is around the principal sulcus (i.e., in Walker's area 46).