Congenital amusia is a neuro-developmental disorder that is neither caused by insufficient exposure to music, nor by a hearing deficiency, brain damage or intellectual impairment. People with congenital amusia (amusics) face lifelong impairments in the musical domain (music often causes discomfort to them). They cannot detect a pitch difference between two adjacent tones if this difference is one semitone or less.
Why look at the language of amusics?
The research group
Speech Perception Impairments in Congenital Amusia Pfeifer’s personal NWO PhD position (NWO PhD in the Humanities, 2013 round).