Good Vibrations
In Chapter 10 of Intermediate Physics for Medicine and Biology, Russ Hobbie and I discuss negative feedback loops. Feedback is often used to maintain an important variable nearly constant. This idea underlies homeostasis and is fundamental to physiology.
| From Clocks to Chaos, by Glass and Mackey. |
You know what: I think the upcoming 6th edition of Intermediate Physics for Medicine and Biology needs more emphasis on nonlinear dynamics. I’m lucky Xiong and Garfinkel’s article came out just as Gene Surdutovich and I were revising and updating the 5th edition of IPMB. God Only Knows that as I sit here In My Room working on the revision I’ll have Fun, Fun, Fun. Don’t Worry Baby, now that it’s spring and we have The Warmth of the Sun, Gene and I should make good progress. Unfortunately, because we’re working here in Michigan, we can’t occasionally take a break to Catch A Wave. Wouldn’t It be Nice if we could go on a Surfin’ Safari? (Sorry, I got a little carried away.)
So the answer to the question in the title—are physiological oscillations physiological?—is a resounding “Yes!” I’ll conclude with Xiong and Garfinkel’s final sentence, which I wholeheartedly agree with (except for the annoying British spelling of “center”):
It is time to bring this conception of physiological oscillations to the centre of biological discourse.
“Good Vibrations” by the Beach Boys.
https://www.youtube.com/watch?v=apBWI6xrbLY
Ivy Xiong discussing mathematical modeling of biological oscillations.
https://www.youtube.com/watch?v=AUmpgrDpT08&list=PLreJ534rlE5XZdRbtftkW9gD1u6w-jTZt&index=6&t=44s
Source: http://hobbieroth.blogspot.com/2024/04/good-vibrations.html
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