Comments on: A Discovery that may Explain Why People Experience Ears Ringing http://timelesssky.com/blog/a-discovery-that-may-explain-why-people-experience-ears-ringing anything under the sky Tue, 06 Jan 2009 10:30:18 +0000 http://wordpress.org/?v=2.6 By: sky http://timelesssky.com/blog/a-discovery-that-may-explain-why-people-experience-ears-ringing#comment-4474 sky Sun, 20 Jan 2008 08:18:53 +0000 http://timelesssky.com/blog/a-discovery-that-may-explain-why-people-experience-ears-ringing#comment-4474 <a href="http://www.physorg.com/news119712886.html" rel="nofollow">Human auditory neurons more sensitive than those of other mammals</a>. (Physorg) The human ear is exquisitely tuned to discern different sound frequencies, whether such tones are high or low, near or far. But the ability of our ears pales in comparison to the remarkable knack of single neurons in our brains to distinguish between the very subtlest of frequency differences. <u>A single auditory neuron from humans showed an amazing ability to distinguish between very subtle frequency differences, down to a tenth of an octave</u>. This, compared to a sensitivity of about one octave in the cat, about a third of an octave in rats and a half to a full octave in the macaque. Human auditory neurons more sensitive than those of other mammals. (Physorg)
The human ear is exquisitely tuned to discern different sound frequencies, whether such tones are high or low, near or far. But the ability of our ears pales in comparison to the remarkable knack of single neurons in our brains to distinguish between the very subtlest of frequency differences.

A single auditory neuron from humans showed an amazing ability to distinguish between very subtle frequency differences, down to a tenth of an octave. This, compared to a sensitivity of about one octave in the cat, about a third of an octave in rats and a half to a full octave in the macaque.

]]> By: sky http://timelesssky.com/blog/a-discovery-that-may-explain-why-people-experience-ears-ringing#comment-2324 sky Sun, 25 Nov 2007 16:03:02 +0000 http://timelesssky.com/blog/a-discovery-that-may-explain-why-people-experience-ears-ringing#comment-2324 <a href="http://www.physorg.com/news115053032.html" rel="nofollow">Illuminating Study Reveals How Plants Respond to Light</a>. (Physorg) A new study "has significantly advanced our understanding of how plant responses to light are regulated, and perhaps even how such responses evolved," says Michael Mishkind, a program director at the National Science Foundation (NSF). The researchers discovered that <u>the plant prepares to respond to light while it is still in the dark, even before it is exposed to light</u>. Illuminating Study Reveals How Plants Respond to Light. (Physorg)
A new study “has significantly advanced our understanding of how plant responses to light are regulated, and perhaps even how such responses evolved,” says Michael Mishkind, a program director at the National Science Foundation (NSF).
The researchers discovered that the plant prepares to respond to light while it is still in the dark, even before it is exposed to light.

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