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Respuesta:Because emotions enhance memory processes and music evokes strong emotions, music could be involved in forming memories, either about pieces of music or about episodes and information associated with particular music. A recent study in BMC Neuroscience has given new insights into the role of emotion in musical memory.
Music has a prominent role in the everyday life of many people. Whether it is for recreation, distraction or mood enhancement, a lot of people listen to music from early in the morning until late at night, especially since the invention of radio and recordings. Because of its near ubiquity, music has been identified as important in the construction of autobiographical memories and thus for making judgments about oneself and others. But which musical pieces do we remember, and how is music related to our memory? This interesting question has as yet received surprisingly little attention in the scientific literature. Several papers [1-5] have looked at the role of music in memory formation and recall of autobiographical and episodic information, and a recent paper in BMC Neuroscience in particular gives new insights into the role of emotion in musical memory [6]. Collectively, these papers emphasize the enhancing role of music and emotion on memories in various contexts, which I shall focus on in this review.
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Music and memory
Musical sounds, like all auditory signals, unfold over time. It is therefore necessary for the auditory system to integrate the sequentially ordered sounds into a coherent musical perception. This series-to-parallel transformation can be considered a mechanism of working memory, which temporarily stores auditory units and combines them into a single percept (such as a sound pattern, rhythm or melody). Interestingly, there seems to be a high degree of overlap between working memory for musical stimuli and for verbal stimuli, as has been shown in recent working-memory experiments [7]. This might be one of the reasons why musicians tend to show a slightly superior verbal working memory – at least in tonal languages such as Chinese [8,9]. Recently, Sluming et al. [10] found that in musicians, compared with non-musicians, there is more gray matter in the part of the frontal cortex known to accommodate neural networks that are involved in several important working memory processes. One might thus conclude that a kind of positive transfer between musical performance and verbal memory functions takes place; in other words, that the process of learning music improves the learning of verbal tasks (see Box Box11 for definitions of technical terms used in this article).
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