Sa validité est examinée à partir de l’exemple, choisi par Moreau de Tours, de son malade le compositeur Gaetano Donizetti. Selon J.J. Moreau de Tours (1859) et quelques cliniciens de la fin du xix e siècle, la Paralysie Générale, pendant sa période prodromique, pouvait conférer une créativité exceptionnelle et cette idée était devenue populaire dans le milieu littéraire. Based on the first large-scale longitudinal studies on stroke-induced amusia using modern multi-modal magnetic resonance imaging (MRI) techniques, such as advanced lesion-symptom mapping, grey and white matter morphometry, tractography and functional connectivity, we discuss neural structures critical for music processing, consider music processing in light of the dual-stream model in the right hemisphere, and propose a neural model for acquired amusia.
In this sense, acquired amusia after stroke provides a unique opportunity to investigate the neural architectures crucial for normal music processing. Such questions may be answered by analysing the effects of focal brain lesions in patients´ ability to perceive music. Even the most accurate structural studies do not reveal which brain areas are critical and causally linked to music processing.
Modern functional neuroimaging has revealed that music listening activates a large-scale bilateral network of cortical and subcortical regions in the healthy brain. The ability to perceive and produce music is a quintessential element of human life, present in all known cultures.
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