Partanen says there is no solid evidence that stimulation beyond normal sounds of everyday life offers any long - term benefits to healthy babies. (sciencemag.org)
Now Psyche Loui of Harvard Medical School, and colleagues, have found that in tone - deaf volunteers, these areas are less well - connected than in people with normal sound perception (The Journal of Neuroscience, DOI: 10.1523 / jneurosci.1701 - 09.2009). (newscientist.com)
Taken together, this means this tympanal membrane is receiving the signal twice — the first time at normal sound speed and with no amplification, and the second time slower but louder. (sciencedaily.com)