Heads of Control : The Gorul Baheu Brain Expedition

Oh, the character is indeed in deep trouble...! Trust me!

DID used to be known as MPD. In an ironic bout of multiple persona thinking in action, they decided to change the name of the disorder.

Presumably, a patient with MPD had a high number of their personas find out that they were considered to be fragmented aspects of one single biological brain, unable to appreciate that they all were creations of one backseat-personality, inhabiting the reptilian brain control center which has overall control of any cortical activity by way of the basic tenet of being which is to ensure the survival of the body, and at another level the spark that animates the body itself and normally vacates it upon death.

This, would not do, so they decided to rename MPD as DID, going on the logic that the various cortical-based personas would all manifest at their usual scheduled times in order, and all references to MPD would now go unmentioned should they remember to look it up online or in books. Over time of course, this strategy is doomed to failure as each persona in turn would at some stage recall to look it up, and would then locate the information of the disorders name change.

But the medics in their infinite wisdom had decided to cross that bridge when they came to it; however they did not bank on a cruel twist of fate, in which all of them involved in fact lacked bridges entirely - having undergone surgery to cure their own alien-hand-syndromes, their corpus callosums had been severed. Thus only one hemisphere of each of them involved in the disorder name change had recorded ever having been involved.
The other half, is finding out now as they read this.

Uh oh, you know you're in trouble when you have a disorder syndrome.