Language or music, mother or Mozart? Structural and environmental influences on infants' language networks
Identifieur interne : 000070 ( PascalFrancis/Corpus ); précédent : 000069; suivant : 000071Language or music, mother or Mozart? Structural and environmental influences on infants' language networks
Auteurs : G. Dehaene-Lambertz ; A. Montavont ; A. Jobert ; L. Allirol ; J. Dubois ; L. Hertz-Pannier ; S. DehaeneSource :
- Brain and language : (Print) [ 0093-934X ] ; 2010.
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Abstract
Understanding how language emerged in our species calls for a detailed investigation of the initial specialization of the human brain for speech processing. Our earlier research demonstrated that an adult-like left-lateralized network of perisylvian areas is already active when infants listen to sentences in their native language, but did not address the issue of the specialization of this network for speech processing. Here we used fMRI to study the organization of brain activity in two-month-old infants when listening to speech or to music. We also explored how infants react to their mother's voice relative to an unknown voice. The results indicate that the well-known structural asymmetry already present in the infants' posterior temporal areas has a functional counterpart: there is a left-hemisphere advantage for speech relative to music at the level of the planum temporale. The posterior temporal regions are thus differently sensitive to the auditory environment very early on, channelling speech inputs preferentially to the left side. Furthermore, when listening to the mother's voice, activation was modulated in several areas, including areas involved in emotional processing (amygdala, orbito-frontal cortex), but also, crucially, a large extent of the left posterior temporal lobe, suggesting that the mother's voice plays a special role in the early shaping of posterior language areas. Both results underscore the joint contributions of genetic constraints and environmental inputs in the fast emergence of an efficient cortical network for language processing in humans.
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NO : | PASCAL 10-0428326 INIST |
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ET : | Language or music, mother or Mozart? Structural and environmental influences on infants' language networks |
AU : | DEHAENE-LAMBERTZ (G.); MONTAVONT (A.); JOBERT (A.); ALLIROL (L.); DUBOIS (J.); HERTZ-PANNIER (L.); DEHAENE (S.); SCHLAGGAR (Bradley L.) |
AF : | INSERM, U562, CEA/SAC/DSV/I2BM Neurospin/91191 Gif/Yvette/France (1 aut., 2 aut., 3 aut., 7 aut.); Université Paris 11/Paris/France (1 aut., 2 aut., 3 aut., 6 aut., 7 aut.); AP-HP, Service de Neurologie Pédiatrique, CHU Bicêtre/Le Kremlin-Bicêtre/France (1 aut.); IFR49, Neurospin/91191 Gif/Yvette/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut.); CEA, Laboratoire de Recherche Biomédicale, CEA/SAC/DSV/I2BM/NeuroSpin/Gif-sur- Yvette/France (4 aut., 5 aut., 6 aut.); INSERM, U663/Paris/France (6 aut.); Université Paris 5/Paris/France (6 aut.); Collége de France/Paris/France (7 aut.); Washington University/St Louis 63110/Etats-Unis (1 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Brain and language : (Print); ISSN 0093-934X; Coden BRLGAZ; Pays-Bas; Da. 2010; Vol. 114; No. 2; Pp. 53-65; Bibl. 1 p.1/4 |
LA : | Anglais |
EA : | Understanding how language emerged in our species calls for a detailed investigation of the initial specialization of the human brain for speech processing. Our earlier research demonstrated that an adult-like left-lateralized network of perisylvian areas is already active when infants listen to sentences in their native language, but did not address the issue of the specialization of this network for speech processing. Here we used fMRI to study the organization of brain activity in two-month-old infants when listening to speech or to music. We also explored how infants react to their mother's voice relative to an unknown voice. The results indicate that the well-known structural asymmetry already present in the infants' posterior temporal areas has a functional counterpart: there is a left-hemisphere advantage for speech relative to music at the level of the planum temporale. The posterior temporal regions are thus differently sensitive to the auditory environment very early on, channelling speech inputs preferentially to the left side. Furthermore, when listening to the mother's voice, activation was modulated in several areas, including areas involved in emotional processing (amygdala, orbito-frontal cortex), but also, crucially, a large extent of the left posterior temporal lobe, suggesting that the mother's voice plays a special role in the early shaping of posterior language areas. Both results underscore the joint contributions of genetic constraints and environmental inputs in the fast emergence of an efficient cortical network for language processing in humans. |
CC : | 002A26J03A; 002A26C04 |
FD : | Développement verbal; Encéphale; Imagerie fonctionnelle; Imagerie RMN; Latéralité; Spécialisation hémisphérique; Musique; Perception verbale; Audition; Relation mère enfant; Cortex temporal; Planum temporale; Amygdale; Cortex orbitofrontal; Etude expérimentale; Nourrisson |
FG : | Homme; Langage; Système nerveux central; Perception; Interaction sociale |
ED : | Language development; Encephalon; Functional imaging; Nuclear magnetic resonance imaging; Laterality; Hemispheric specialization; Music; Verbal perception; Hearing; Mother child relation; Temporal cortex; Planum temporale; Amygdala; Orbitofrontal cortex; Experimental study; Infant |
EG : | Human; Language; Central nervous system; Perception; Social interaction |
SD : | Desarrollo verbal; Encéfalo; Imaginería funcional; Imaginería RMN; Lateralidad; Especialización hemisférica; Música; Percepción verbal; Audición; Relación madre niño; Corteza temporal; Planum temporale; Amígdala; Corteza orbitofrontal; Estudio experimental; Lactante |
LO : | INIST-16910.354000193362220010 |
ID : | 10-0428326 |
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Pascal:10-0428326Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Language or music, mother or Mozart? Structural and environmental influences on infants' language networks</title>
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<term>Mother child relation</term>
<term>Music</term>
<term>Nuclear magnetic resonance imaging</term>
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<front><div type="abstract" xml:lang="en">Understanding how language emerged in our species calls for a detailed investigation of the initial specialization of the human brain for speech processing. Our earlier research demonstrated that an adult-like left-lateralized network of perisylvian areas is already active when infants listen to sentences in their native language, but did not address the issue of the specialization of this network for speech processing. Here we used fMRI to study the organization of brain activity in two-month-old infants when listening to speech or to music. We also explored how infants react to their mother's voice relative to an unknown voice. The results indicate that the well-known structural asymmetry already present in the infants' posterior temporal areas has a functional counterpart: there is a left-hemisphere advantage for speech relative to music at the level of the planum temporale. The posterior temporal regions are thus differently sensitive to the auditory environment very early on, channelling speech inputs preferentially to the left side. Furthermore, when listening to the mother's voice, activation was modulated in several areas, including areas involved in emotional processing (amygdala, orbito-frontal cortex), but also, crucially, a large extent of the left posterior temporal lobe, suggesting that the mother's voice plays a special role in the early shaping of posterior language areas. Both results underscore the joint contributions of genetic constraints and environmental inputs in the fast emergence of an efficient cortical network for language processing in humans.</div>
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<ET>Language or music, mother or Mozart? Structural and environmental influences on infants' language networks</ET>
<AU>DEHAENE-LAMBERTZ (G.); MONTAVONT (A.); JOBERT (A.); ALLIROL (L.); DUBOIS (J.); HERTZ-PANNIER (L.); DEHAENE (S.); SCHLAGGAR (Bradley L.)</AU>
<AF>INSERM, U562, CEA/SAC/DSV/I2BM Neurospin/91191 Gif/Yvette/France (1 aut., 2 aut., 3 aut., 7 aut.); Université Paris 11/Paris/France (1 aut., 2 aut., 3 aut., 6 aut., 7 aut.); AP-HP, Service de Neurologie Pédiatrique, CHU Bicêtre/Le Kremlin-Bicêtre/France (1 aut.); IFR49, Neurospin/91191 Gif/Yvette/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut.); CEA, Laboratoire de Recherche Biomédicale, CEA/SAC/DSV/I2BM/NeuroSpin/Gif-sur- Yvette/France (4 aut., 5 aut., 6 aut.); INSERM, U663/Paris/France (6 aut.); Université Paris 5/Paris/France (6 aut.); Collége de France/Paris/France (7 aut.); Washington University/St Louis 63110/Etats-Unis (1 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Brain and language : (Print); ISSN 0093-934X; Coden BRLGAZ; Pays-Bas; Da. 2010; Vol. 114; No. 2; Pp. 53-65; Bibl. 1 p.1/4</SO>
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<EA>Understanding how language emerged in our species calls for a detailed investigation of the initial specialization of the human brain for speech processing. Our earlier research demonstrated that an adult-like left-lateralized network of perisylvian areas is already active when infants listen to sentences in their native language, but did not address the issue of the specialization of this network for speech processing. Here we used fMRI to study the organization of brain activity in two-month-old infants when listening to speech or to music. We also explored how infants react to their mother's voice relative to an unknown voice. The results indicate that the well-known structural asymmetry already present in the infants' posterior temporal areas has a functional counterpart: there is a left-hemisphere advantage for speech relative to music at the level of the planum temporale. The posterior temporal regions are thus differently sensitive to the auditory environment very early on, channelling speech inputs preferentially to the left side. Furthermore, when listening to the mother's voice, activation was modulated in several areas, including areas involved in emotional processing (amygdala, orbito-frontal cortex), but also, crucially, a large extent of the left posterior temporal lobe, suggesting that the mother's voice plays a special role in the early shaping of posterior language areas. Both results underscore the joint contributions of genetic constraints and environmental inputs in the fast emergence of an efficient cortical network for language processing in humans.</EA>
<CC>002A26J03A; 002A26C04</CC>
<FD>Développement verbal; Encéphale; Imagerie fonctionnelle; Imagerie RMN; Latéralité; Spécialisation hémisphérique; Musique; Perception verbale; Audition; Relation mère enfant; Cortex temporal; Planum temporale; Amygdale; Cortex orbitofrontal; Etude expérimentale; Nourrisson</FD>
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<EG>Human; Language; Central nervous system; Perception; Social interaction</EG>
<SD>Desarrollo verbal; Encéfalo; Imaginería funcional; Imaginería RMN; Lateralidad; Especialización hemisférica; Música; Percepción verbal; Audición; Relación madre niño; Corteza temporal; Planum temporale; Amígdala; Corteza orbitofrontal; Estudio experimental; Lactante</SD>
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