CBC broadcast on the Arts in Kelowna Nov 6th 2009
The speaker is mistaken in interpreting the quantity of brain activity as demonstrated by an MRI while listening to singing vs the speaking voice as a superior outcome because the qualitative value of the experiment is not measured.
More stimulus is not necessarily better stimulus. Nature is not a loud, noisy place. Humans did not evolve to thrive in a noisy, highly stimulating environment, but we can beciome addicted to high levels of stimulus with poor outcomes.
Few would agree that a constantly stimulating environment that we cannot shut off but cannot do without is a better environment.