Anatomical Properties of the Arcuate Fasciculus Predict Phonological and Reading Skills in Children
For more than a century, neurologists have hypothesized that the arcuate fasciculus carries signals that are essential for language function; however, the relevance of the pathway for particular behaviors is highly controversial. The primary objective of this study was to use diffusion tensor imagin...
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| Veröffentlicht in: | Journal of cognitive neuroscience 2011-11, Vol.23 (11), p.3304-3317 |
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| container_title | Journal of cognitive neuroscience |
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| creator | Yeatman, Jason D. Dougherty, Robert F. Rykhlevskaia, Elena Sherbondy, Anthony J. Deutsch, Gayle K. Wandell, Brian A. Ben-Shachar, Michal |
| description | For more than a century, neurologists have hypothesized that the arcuate fasciculus carries signals that are essential for language function; however, the relevance of the pathway for particular behaviors is highly controversial. The primary objective of this study was to use diffusion tensor imaging to examine the relationship between individual variation in the microstructural properties of arcuate fibers and behavioral measures of language and reading skills. A second objective was to use novel fiber-tracking methods to reassess estimates of arcuate lateralization. In a sample of 55 children, we found that measurements of diffusivity in the left arcuate correlate with phonological awareness skills and arcuate volume lateralization correlates with phonological memory and reading skills. Contrary to previous investigations that report the absence of the right arcuate in some subjects, we demonstrate that new techniques can identify the pathway in every individual. Our results provide empirical support for the role of the arcuate fasciculus in the development of reading skills. |
| doi_str_mv | 10.1162/jocn_a_00061 |
| format | Article |
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The primary objective of this study was to use diffusion tensor imaging to examine the relationship between individual variation in the microstructural properties of arcuate fibers and behavioral measures of language and reading skills. A second objective was to use novel fiber-tracking methods to reassess estimates of arcuate lateralization. In a sample of 55 children, we found that measurements of diffusivity in the left arcuate correlate with phonological awareness skills and arcuate volume lateralization correlates with phonological memory and reading skills. Contrary to previous investigations that report the absence of the right arcuate in some subjects, we demonstrate that new techniques can identify the pathway in every individual. 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The primary objective of this study was to use diffusion tensor imaging to examine the relationship between individual variation in the microstructural properties of arcuate fibers and behavioral measures of language and reading skills. A second objective was to use novel fiber-tracking methods to reassess estimates of arcuate lateralization. In a sample of 55 children, we found that measurements of diffusivity in the left arcuate correlate with phonological awareness skills and arcuate volume lateralization correlates with phonological memory and reading skills. Contrary to previous investigations that report the absence of the right arcuate in some subjects, we demonstrate that new techniques can identify the pathway in every individual. Our results provide empirical support for the role of the arcuate fasciculus in the development of reading skills.</description><subject>Acoustic Stimulation</subject><subject>Anisotropy</subject><subject>Awareness - physiology</subject><subject>Brain</subject><subject>Brain Hemisphere Functions</subject><subject>Brain Mapping</subject><subject>Child</subject><subject>Children</subject><subject>Diagnostic Tests</subject><subject>Diffusion Magnetic Resonance Imaging</subject><subject>Female</subject><subject>Frontal Lobe - anatomy & histology</subject><subject>Frontal Lobe - physiology</subject><subject>Functional Laterality</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted</subject><subject>Language proficiency</subject><subject>Male</subject><subject>Memory</subject><subject>Memory - physiology</subject><subject>Nerve Fibers, Myelinated - physiology</subject><subject>Neural Pathways - anatomy & histology</subject><subject>Neural Pathways - physiology</subject><subject>Neurological Organization</subject><subject>Neuropsychological Tests</subject><subject>Neurosciences</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Phonetics</subject><subject>Phonological Awareness</subject><subject>Phonology</subject><subject>Reading</subject><subject>Reading comprehension</subject><subject>Reading Skills</subject><issn>0898-929X</issn><issn>1530-8898</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkc1vEzEQxS0EoiFw44iQxQUOXbC9a699QYqiloIqUfEhcbMc72zi4NipvVsJ_nocUqJQ9TSH9_ObN34IPafkLaWCvVtHG7TRhBBBH6AJ5TWppFTyIZqQMirF1I8T9CTndUEYF81jdMIoF1LUYoLsLJghbpw1Hl-luIU0OMg49nhYAZ4lO5oB8LnJ1tnRj7lA0Dk74KtVDNHH5d-XJnT4C5jOhSX--tN5n7ELeL5yvksQnqJHvfEZnt3OKfp-fvZtflFdfv7wcT67rCyXcqgaRttOWapYb-2C0LZvoOWCdqS2pFPQ2Lbpe6iZFFxxSZSivOkAFmbBiYW2nqL3e9_tuNhAZyEMyXi9TW5j0i8djdP_K8Gt9DLe6JrRhhBZDF7fGqR4PUIe9MZlC96bAHHMWioha9aWL56iV3fIdRxTKNcVSLaEiXpnd7qHbIo5J-gPUSjRu-70cXcFf3kc_wD_K6sAL_YAJGcP8tkn1SihVJFne3njjuLsVtyw2lGqa8JYyzUjjJb1mkj9223vZnhzj8e9cf8AIJjC1Q</recordid><startdate>20111101</startdate><enddate>20111101</enddate><creator>Yeatman, Jason D.</creator><creator>Dougherty, Robert F.</creator><creator>Rykhlevskaia, Elena</creator><creator>Sherbondy, Anthony J.</creator><creator>Deutsch, Gayle K.</creator><creator>Wandell, Brian A.</creator><creator>Ben-Shachar, Michal</creator><general>MIT Press</general><general>MIT Press Journals, The</general><scope>7SW</scope><scope>BJH</scope><scope>BNH</scope><scope>BNI</scope><scope>BNJ</scope><scope>BNO</scope><scope>ERI</scope><scope>PET</scope><scope>REK</scope><scope>WWN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QR</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20111101</creationdate><title>Anatomical Properties of the Arcuate Fasciculus Predict Phonological and Reading Skills in Children</title><author>Yeatman, Jason D. ; 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| subjects | Acoustic Stimulation Anisotropy Awareness - physiology Brain Brain Hemisphere Functions Brain Mapping Child Children Diagnostic Tests Diffusion Magnetic Resonance Imaging Female Frontal Lobe - anatomy & histology Frontal Lobe - physiology Functional Laterality Humans Image Processing, Computer-Assisted Language proficiency Male Memory Memory - physiology Nerve Fibers, Myelinated - physiology Neural Pathways - anatomy & histology Neural Pathways - physiology Neurological Organization Neuropsychological Tests Neurosciences NMR Nuclear magnetic resonance Phonetics Phonological Awareness Phonology Reading Reading comprehension Reading Skills |
| title | Anatomical Properties of the Arcuate Fasciculus Predict Phonological and Reading Skills in Children |
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