Journal
JOURNAL OF NEUROSCIENCE
Volume 29, Issue 8, Pages 2477-2485Publisher
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.4921-08.2009
Keywords
prefrontal cortex; basal ganglia; auditory; fMRI; learning and memory; motor learning
Categories
Funding
- National Institutes of Health Grants [R01-DC03489, NS052494, F31MH12598, F31-DC008921]
- Cognitive Neuroscience Initiative of the National Science Foundation [BCS-0350041, BCS-0519127]
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Music consists of sound sequences that require integration over time. As we become familiar with music, associations between notes, melodies, and entire symphonic movements become stronger and more complex. These associations can become so tight that, for example, hearing the end of one album track can elicit a robust image of the upcoming track while anticipating it in total silence. Here, we study this predictive anticipatory imagery at various stages throughout learning and investigate activity changes in corresponding neural structures using functional magnetic resonance imaging. Anticipatory imagery (in silence) for highly familiar naturalistic music was accompanied by pronounced activity in rostral prefrontal cortex (PFC) and premotor areas. Examining changes in the neural bases of anticipatory imagery during two stages of learning conditional associations between simple melodies, however, demonstrates the importance of fronto-striatal connections, consistent with a role of the basal ganglia in training frontal cortex (Pasupathy and Miller, 2005). Another striking change in neural resources during learning was a shift between caudal PFC earlier to rostral PFC later in learning. Our findings regarding musical anticipation and sound sequence learning are highly compatible with studies of motor sequence learning, suggesting common predictive mechanisms in both domains.
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