Acquired amusia

Handbook of Clinical Neurology
Camilla N ClarkJason D Warren

Abstract

Recent developments in the cognitive neuroscience of music suggest that a further review of the topic of amusia is timely. In this chapter, we first consider previous taxonomies of amusia and propose a fresh framework for understanding the amusias, essentially as disorders of cognitive information processing. We critically review current cognitive and neuroanatomic findings in the published literature on amusia. We assess the extent to which the clinical and neuropsychologic evidence in amusia can be reconciled; both with the information-processing framework we propose, and with the picture of the brain organization of music and language processing emerging from cognitive neuroscience and functional neuroimaging studies. The balance of evidence suggests that the amusias can be understood as disorders of musical object cognition targeting separable levels of an information-processing hierarchy and underpinned by specific brain network dysfunction. The neuroanatomic associations of the amusias show substantial overlap with brain networks that process speech; however, this convergence leaves scope for separable brain mechanisms based on altered connectivity and dynamics across culprit networks. The study of the amusias contributes...Continue Reading

Citations

Jul 4, 2016·Journal of Neurology·Chris J D HardyJason D Warren
Nov 2, 2016·Journal of Alzheimer's Disease : JAD·Hannah L GoldenJason D Warren
Dec 29, 2020·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Emma HolmesTimothy D Griffiths

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