A noninvasive measure of negative-feedback strength, approximate entropy, unmasks strong diurnal variations in the regularity of LH secretion.
Liu PY, Iranmanesh A, Keenan DM, Pincus SM, Veldhuis JD.
Liu PY, et al. Among authors: pincus sm.
Am J Physiol Endocrinol Metab. 2007 Nov;293(5):E1409-15. doi: 10.1152/ajpendo.00365.2007. Epub 2007 Sep 11.
Am J Physiol Endocrinol Metab. 2007.
PMID: 17848633
Free article.
The present study exploits a recently validated model-free regularity statistic, approximate entropy (ApEn), which monitors feedback changes with high sensitivity and specificity (both >90%; Pincus SM, Hartman ML, Roelfsema F, Thorner MO, Veldhuis JD. Am J Physio …
The present study exploits a recently validated model-free regularity statistic, approximate entropy (ApEn), which monitors feedback changes …