Infection had set in, and it was rampant in the frontal bone,

We found that the frontal lobes were the last to develop,

The subordinate is likely to feel that the examiner has taken a sample of his bone marrow.

I'd rather have a bottle in front of me, than a frontal lobotomy.

We have to take a look at what it might take. I'm not sure that that type of a frontal ground assault is what we might be doing. It might eventually take a substantial number of troops,

The brain is heavily influenced by genes. But from birth through young adulthood, the part of the human brain that most defines us (frontal cortex) is less a product of the genes with which you started life than of what life has thrown at you. Because it is the least constrained by genes and most sculpted by experience. This must be so, to be the supremely complex social species that we are. Ironically, it seems that the genetic program of human brain development has evolved to, as much as possible, free the frontal cortext from genes.