This morning Will Saletan linked to a creepy little story on brain degeneration and sleep apnea:
Writing in this week's issue of Nature Neuroscience, Feldman and colleagues said they deliberately killed brain cells in the pre-Boetzinger complex of the brains of rats -- a region believed to be the "command post" for breathing in mammals.
Then they monitored the rats' breathing.
"We were surprised to see that breathing completely stopped when the rat entered REM (rapid eye movement) sleep, forcing the rat to wake up in order to start breathing again," said Leanne McKay, who worked on the study.
"Over time, the breathing lapses increased in severity, spreading into non-REM sleep and eventually occurring when the rats were awake, as well."
Feldman believes the same thing could be happening in elderly people, especially those with degenerative diseases such as Parkinson's, which are marked by disturbed sleep.
I think I've been picking up some new readers lately, ones who may not remember that my bipolar mother died in her sleep at a mental hospital just before Thanksgiving. (It was the night before I was supposed to start stims for this last IVF cycle, the one that worked.) She was extremely underweight and had recently fractured her collarbone, but otherwise in the same physical condition as she'd been for several years. Her brain had been scanned a few months earlier during a depressive episode so bad, so dementia-like that Creutzfelt-Jacob disease was a concern, and there was some atrophy then. But I don't know what regions, and her doctors disagreed on whether the changes were normal for decades-on bipolar disorder or not.
I've been trying to ask Nanna a little about my mother's pregnancy and my birth, but she doesn't know much, and I don't think she ever did. It sounds like Annajane wasn't really speaking much with her own parents at the time. "She called us up when it was all over, the day after. I would have come down if she'd called earlier! She was awake the whole time, I think. Did it natural, you know." (I'm guessing that even in 1970 there were some options between the full knockout my grandmother had had and nothing at all. But I'll never know what Annajane experienced.)
I would have found it nearly unbearable to talk with Annajane about my pregnancy. She would have related every little thing about it to her own experience in carrying me—of course!—but, whenever or however she tried to draw connections between us, whether she was hypomanic and hostile or depressed and desperate, I pulled away. I didn't want to be connected to her, and extended contemplation of this most fundamental tie would have been very difficult.
I have been telling all my providers that my mother was bipolar, and died recently. If nothing else, I'm at higher risk for postpartum depression, and they should know that. But telling people always brings up the gap between what people hear when I say the word "mother" and the role she actually played in my life. Will the fact of her death hit hard as part of what I'm about to go through? Or will it, shamefully, be easier that she's gone, that her long-term care is no longer hanging over me, that I wil have full control over what I tell my child about her and about my upbringing?
I do feel bad that she never knew that Beaker and I were trying—indeed, that I repeatedly lied when she asked last summer. I think I did about as good a job of lying as I did when she and Nanna harassed me about what I was doing with boyfriends in high school. But she was so much less sharp herself that I don't think she noticed.
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