Complex hand dexterity is fundamental to our interactions with the physical, social, and cultural environment. Dexterity can be an expression of creativity and precision in a range of activities, including musical performance. Little is understood about complex hand dexterity or how virtuoso expertise is acquired, due to the versatility of movement combinations available to complete any given task. This has historically limited progress of the field because of difficulties in measuring movements of the hand. Recent developments in methods of motion capture and analysis mean it is now possible to explore the intricate movements of the hand and fingers. These methods allow us insights into the neurophysiological mechanisms underpinning complex hand dexterity and motor learning. They also allow investigation into the key factors that contribute to injury, recovery and functional compensation. The application of such analytical techniques within musical performance provides a multidisciplinary framework for purposeful investigation into the process of learning and skill acquisition in instrumental performance. These highly skilled manual and cognitive tasks present the ultimate achievement in complex hand dexterity. This paper will review methods of assessing instrumental performance in music, focusing specifically on biomechanical measurement and the associated technical challenges faced when measuring highly dexterous activities.
Early in Wilhelm Heinse’s eccentric novel Hildegard von Hohenthal (1796) his characters confront the problem of how music works on the senses. The novel’s hero, Kapellmeister Lockmann, tunes a piano—to an idiosyncratic temperament of his own invention—as he proposes an intensely physical model for musical listening. He uses this demonstration, while simultaneously trying to start a love affair with the novel’s heroine, Hildegard von Hohenthal, to reclaim older ideas about natural temperaments and key characteristics in an era of heightened interest in the anatomy of cognition. But Heinse’s own opinions are not always the same as those of his characters. Drawing on his notebooks, I trace how Heinse struggled to come to terms with opposing views of his friend and colleague, the anatomist Samuel Thomas Soemmering, and of the philosopher Immanuel Kant of how sound affects the body. Soemmering’s Über das Organ der Seele (1796) and Kant’s Critique of Aesthetic Judgment (1790) both act as intertexts and paratexts to the novel, and Heinse more than once splits his own opinions about both books between his characters. The tuning scene addresses important questions about the hierarchy of the senses, the creation of musical meaning, and the freedom of performers and listeners to form their own interpretations of music. Heinse’s naturalist ideas about musical agency rub against the grain of a narrative—still current today—dominated by a transaction between heroic composers on the one side and awe-struck listeners on the other. To re-assess these ideas is to re-imagine a crucial hinge in music history.
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