Robin of Berkeley asks a question sensible people everywhere are asking: what makes Obama's behavior so odd and disconnected?

Obama is flat when passion is needed; he's aggressive when savvy is required. What's most worrisome is that Obama doesn't even realize that his behavior is inappropriate.

So if it's not just simple narcissism, what is wrong with Obama? Since I've never evaluated him, I can't say for sure. But I can hazard some educated guesses.

If I saw a client as disconnected as him, the first thing I would wonder: Is something wrong with his brain? And I'd consider the following theoretical diagnostic possibilities.

--Physical problems: There are a multitude of physiological conditions that can cause people to act strangely. For instance: head injuries, endocrine disturbances, epilepsy, and toxic chemical exposure.

It makes me wonder: Did Obama ever have a head injury? His stepfather in Indonesia was purportedly an alcoholic abuser. Was Obama subject to any physical abuse?

-- Drugs and alcohol: Damage to the brain from drugs and alcohol can also cause significant cognitive impairments. Obama once said that there were 57 states -- and didn't correct himself. Memory problems can be caused by both illicit and prescription drug use.

Obama admits to a history of drug use in his youth. Did his usage cause some damage? Does Obama still use?

--Asperger's Syndrome: Also known as high-functioning autism, Asperger's causes deficits in social skills. A person with Asperger's can't read social cues. Consequently, he can be insensitive and hurtful without even knowing it.

Could Obama have Asperger's? He might have some mild traits, but certainly not the full-blown disorder. In contrast to Obama, those with Asperger's get fixated on some behavior, like programming computers. Obama lacks this kind of passion and zeal.

--Mental Illness: Obama's family tree is replete with the unbalanced. His maternal great-grandmother committed suicide. His grandfather, Stanley Dunham, was particularly unhinged: He was expelled from high school for punching his principal; named his daughter Stanley because he wanted a boy; and exposed young Barry to not just drunken trash talk, but unrestricted visits with alleged pedophile Frank Marshall Davis (who might or might not be Obama's biological father). Barack Sr. was an abusive, alcoholic bigamist.

Since mental illness runs in the family, does Obama have any signs? Yes and no. No, he is not a schizophrenic babbling about Martians. But there are red flags for some other conditions.

While Obama doesn't appear to hallucinate, he seems to have delusions. His believing he has a Messiah-like special gift smacks of grandiose delusions. His externalizing all blame to conservatives, George W. Bush, or the "racist" bogeyman hints at persecutory delusions.

Along with a delusional disorder, Obama may fit for a mild psychotic disorder called schizotypal disorder. It may explain some of Obama's oddness.

People with schizotypal disorder hold bizarre beliefs, are suspicious and paranoid, and have inappropriate and constricted affect. They have few close friends and are socially awkward. A schizotypal is someone like your strange cousin Becky who is addicted to astrology, believes she is psychic, and is the oddball at social gatherings.

Schizotypal Disorder does ring some bells vis-à-vis Obama. One way the diagnosis doesn't fit, however, is that schizotypals are generally harmless, odd ducks. Not so with Obama.

--Trauma: My gut tells me that Obama was seriously traumatized in childhood. His mother disregarded his basic needs, dragged him all over the place, and ultimately abandoned him.

But I think there may be something even more insidious in his family background. While I can't prove it, the degree of Obama's disconnect reminds me of my sexually abused clients.

With serious sexual abuse, the brain chemistry may change. The child dissociates -- that is, disconnects from his being -- in order to cope. Many adult survivors still dissociate, from occasional trances to the most extreme cases of multiple personality disorder.

Apparently, young Barry was left in the care of Communist Frank Marshall Davis, who admitted to molesting a 13-year-old girl. As a teenager, Obama wrote a disturbing poem, "Pop," that evoked images of sexual abuse -- for instance, describing dual amber stains on both his and "Pop's" shorts.

Would trauma explain Obama's disconnect? In many ways, yes. A damaged and unattached child may develop a "false self." To compensate for the enormous deficits in identity and attachment, the child invents his own personality. For Obama, it may have been as a special, gifted person.

Let's return now to my original question: What is wrong with Obama? My guess is a great deal. The answer is complex and likely includes some combination of the above.