LifeSongs in the key of life: What makes music emotional? As with tunes, speech in a major key sounds cheerful, while minor-key tales sound gloomy and depressing 51¶¯Âþ
LifeIs synaesthesia a high-level brain power? The cross-sensory condition requires attention, which suggests it reveals special ability in "higher" brain areas responsible for language and attention 51¶¯Âþ