ABSTRACT
Investigations of musical connections and disconnections allow for developing more sophisticated models of music processing, including neural correlates specific to music or shared with other domains. This chapter reviews impairments of different aspects of music perception and cognition in various pathologies or disorders. Studying music perception in normal and patient populations provides insights into neural networks of music processing and also into how far these are domain-specific or shared with other materials. Neurological reports of musical symptoms have been accumulating over more than a century, with a first symposium on the "neurology of music" in 1972, covering normal music perception, musical dysfunctions and disorders provoked by music. The majority of reports on music abilities in brain-damaged patients focus on deficits in processing basic perceptual attributes of musical sounds: pitch, timbre, and temporal characteristics. Music-related deficits can also arise as neurodevelopmental disorders, such as congenital amusia.
