How many states of consciousness?

Although I have let doctors administer drugs that would alter my consciousness – most notably, nitrous oxide for a wisdom tooth extraction – I have not yet had a compelling reason to let them remove me from consciousness entirely. Which is just as well, since anesthesia has only been around since 1846 (younger than 28 states)…

“Another Day in the Frontal Lobe”

When I sat down last week to read Another Day in the Frontal Lobe – a memoir of medical residency I picked up for the obvious reason that it was written by a neurosurgeon, about her neurosurgical residency – I was hooked from the very first paragraph: The brain is soft. Some of my colleagues compare it to…