From: Analysis of ependymal ciliary beat pattern and beat frequency using high speed imaging: comparison with the photomultiplier and photodiode methods
Frequency (Hz) (95% confidence levels)
Temperature
HSV
Photomultiplier
Photodiode
30°C
27.7 (26.6 to 28.8)
25.5 (24.4 to 26.6)
20.8 (20.4 to 21.3)
37°C
36.4 (34 to 39.5)
38.4 (36.8 to 39.9)
18.8 (16.9 to 20.5)