Brain lateralization probed by water diffusion at the atomic to micrometric scale

被引：5

作者：

Natali, F. ^{[1
,2
]}

Dolce, C. ^{[1
,3
,4
]}

Peters, J. ^{[1
,3
]}

Stelletta, C. ^{[5
]}

Deme, B. ^{[1
]}

Ollivier, J. ^{[1
]}

Leduc, G. ^{[6
]}

Cupane, A. ^{[4
]}

Barbier, E. L. ^{[7
]}

机构：

[1] Inst Laue Langevin, 71 Ave Martyrs,CS 20156, F-38042 Grenoble 9, France

[2] CNR, IOM, OGG, 71 Ave Martyrs,CS 20156, F-38042 Grenoble 9, France

[3] Univ Grenoble Alpes, LiPhy, 140 Rue Phys, F-38402 St Martin Dheres, France

[4] Univ Palermo, Dept Phys & Chem, Via Archirafi 36, I-90123 Palermo, Italy

[5] Univ Padua, Dept Anim Med Prod & Hlth, Viale Univ 16, Legnaro, Italy

[6] ESRF, Biomed Facil, 71 Ave Martyrs,CS 20156, F-38042 Grenoble 9, France

[7] Univ Grenoble Alpes, INSERM, U1216, Grenoble Inst Neurosci, F-38000 Grenoble, France

来源：

SCIENTIFIC REPORTS | 2019年 / 9卷 / 1期

关键词：

WHITE-MATTER; NEUTRON-SCATTERING; IN-VIVO; DYNAMICS; ASYMMETRIES; SHAPE; AGE; MOLECULES; PARAMETER; BEHAVIOR;

D O I：

10.1038/s41598-019-51022-1

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Combined neutron scattering and diffusion nuclear magnetic resonance experiments have been used to reveal significant interregional asymmetries (lateralization) in bovine brain hemispheres in terms of myelin arrangement and water dynamics at micron to atomic scales. Thicker myelin sheaths were found in the left hemisphere using neutron diffraction. 4.7T dMRI and quasi-elastic neutron experiments highlighted significant differences in the properties of water dynamics in the two hemispheres. The results were interpreted in terms of hemisphere-dependent cellular composition (number of neurons, cell distribution, etc.) as well as specificity of neurological functions (such as preferential networking).

引用

页数：11

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