This nifty study in the Dec. 26, 2007 issue of Journal of Neurosci shows biological and genetic links clinks to addictive behavior, namely alcoholism.
Instead of bating subjects with booze, the researcher tested how well they make complex decisions. Novel. She showed that it’s more difficult for people with alcohol addiction to think through … to come to a … to decide … that their working memory doesn’t work as well and they … like when you’re doing long division in your head and you can’t remember what number you carried and then when you do you can’t remember what you were supposed to add it to, so you just blurt out a number. It’s because their frontal cortex is a little different.
Temple Grandin also talks about frontal cortex and poor working memory in her book, “Animals in Translation,” when discussing autism. Just so you know.