Dataset Information

Singing in the brain: Neural representation of music and voice as revealed by fMRI.

ABSTRACT: The ubiquity of music across cultures as a means of emotional expression, and its proposed evolutionary relation to speech, motivated researchers to attempt a characterization of its neural representation. Several neuroimaging studies have reported that specific regions in the anterior temporal lobe respond more strongly to music than to other auditory stimuli, including spoken voice. Nonetheless, because most studies have employed instrumental music, which has important acoustic distinctions from human voice, questions still exist as to the specificity of the observed "music-preferred" areas. Here, we sought to address this issue by testing 24 healthy young adults with fast, high-resolution fMRI, to record neural responses to a large and varied set of musical stimuli, which, critically, included a capella singing, as well as purely instrumental excerpts. Our results confirmed that music; vocal or instrumental, preferentially engaged regions in the superior STG, particularly in the anterior planum polare, bilaterally. In contrast, human voice, either spoken or sung, activated more strongly a large area along the superior temporal sulcus. Findings were consistent between univariate and multivariate analyses, as well as with the use of a "silent" sparse acquisition sequence that minimizes any potential influence of scanner noise on the resulting activations. Activity in music-preferred regions could not be accounted for by any basic acoustic parameter tested, suggesting these areas integrate, likely in a nonlinear fashion, a combination of acoustic attributes that, together, result in the perceived musicality of the stimuli, consistent with proposed hierarchical processing of complex auditory information within the temporal lobes.

SUBMITTER: Whitehead JC

PROVIDER: S-EPMC6866591 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Singing in the brain: Neural representation of music and voice as revealed by fMRI.

Whitehead Jocelyne C JC Armony Jorge L JL

Human brain mapping 20180818 12

The ubiquity of music across cultures as a means of emotional expression, and its proposed evolutionary relation to speech, motivated researchers to attempt a characterization of its neural representation. Several neuroimaging studies have reported that specific regions in the anterior temporal lobe respond more strongly to music than to other auditory stimuli, including spoken voice. Nonetheless, because most studies have employed instrumental music, which has important acoustic distinctions fr ...[more]

PMID: 30120854

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Project description:Music is ubiquitous, both in its instrumental and vocal forms. While speech perception at birth has been at the core of an extensive corpus of research, the origins of the ability to discriminate instrumental or vocal melodies is still not well investigated. In previous studies comparing vocal and musical perception, the vocal stimuli were mainly related to speaking, including language, and not to the non-language singing voice. In the present study, to better compare a melodic instrumental line with the voice, we used singing as a comparison stimulus, to reduce the dissimilarities between the two stimuli as much as possible, separating language perception from vocal musical perception. In the present study, 45 newborns were scanned, 10 full-term born infants and 35 preterm infants at term-equivalent age (mean gestational age at test = 40.17 weeks, SD = 0.44) using functional magnetic resonance imaging while listening to five melodies played by a musical instrument (flute) or sung by a female voice. To examine the dynamic task-based effective connectivity, we employed a psychophysiological interaction of co-activation patterns (PPI-CAPs) analysis, using the auditory cortices as seed region, to investigate moment-to-moment changes in task-driven modulation of cortical activity during an fMRI task. Our findings reveal condition-specific, dynamically occurring patterns of co-activation (PPI-CAPs). During the vocal condition, the auditory cortex co-activates with the sensorimotor and salience networks, while during the instrumental condition, it co-activates with the visual cortex and the superior frontal cortex. Our results show that the vocal stimulus elicits sensorimotor aspects of the auditory perception and is processed as a more salient stimulus while the instrumental condition activated higher-order cognitive and visuo-spatial networks. Common neural signatures for both auditory stimuli were found in the precuneus and posterior cingulate gyrus. Finally, this study adds knowledge on the dynamic brain connectivity underlying the newborns capability of early and specialized auditory processing, highlighting the relevance of dynamic approaches to study brain function in newborn populations.

Dataset Information

Singing in the brain: Neural representation of music and voice as revealed by fMRI.

Publications

Singing in the brain: Neural representation of music and voice as revealed by fMRI.

Similar Datasets

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