Yet, the frontal lobe activation appears to be essential to higher cortical functions

Those two books highly influenced my work

Fuster's book about the prefrontal cortex, that first appeared in 1980
http://www.amazon.com/exec/obidos/ASIN/0397518498/qi...

And the Russian-Jewish prominent neuropsychologist A. R. Luria
http://s1.amazon.com/exec/varzea/ts/exchange-glance/...