New human-specific brain landmark: The depth asymmetry of superior temporal sulcus

被引：119

作者：

Leroy, Francois ^{[1
]}

Cai, Qing ^{[5
]}

Bogart, Stephanie L. ^{[6
]}

Dubois, Jessica ^{[1
]}

Coulon, Olivier ^{[7
]}

Monzalvo, Karla ^{[1
]}

Fischer, Clara ^{[2
]}

Glasel, Herve ^{[1
]}

Van der Haegen, Lise ^{[8
]}

Benezita, Audrey ^{[1
]}

Lin, Ching-Po ^{[9
]}

Kennedy, David N. ^{[10
]}

Ihara, Aya S. ^{[11
]}

Hertz-Pannier, Lucie ^{[3
]}

Moutard, Marie-Laure ^{[12
]}

Poupon, Cyril ^{[4
]}

Brysbaert, Marc ^{[2
]}

Roberts, Neil ^{[13
]}

Hopkins, William D. ^{[6
]}

Mangin, Jean-Francois ^{[2
]}

Dehaene-Lambertz, Ghislaine ^{[1
]}

机构：

[1] CEA, Off Atom Energy & Alternat Energies, INSERM, NeuroSpin,Cognit Neuroimaging Unit,U992, F-91191 Gif Sur Yvette, France

[2] CEA, Off Atom Energy & Alternat Energies, INSERM, NeuroSpin,Anal & Proc Informat Unit, F-91191 Gif Sur Yvette, France

[3] CEA, Off Atom Energy & Alternat Energies, INSERM, NeuroSpin,Clin & Translat Applicat Res Unit,U663, F-91191 Gif Sur Yvette, France

[4] CEA, Off Atom Energy & Alternat Energies, INSERM, NeuroSpin,Nucl Magnet Resonance Imaging & Spect U, F-91191 Gif Sur Yvette, France

[5] E China Normal Univ, Shanghai Key Lab Brain Funct Genom, Shanghai 200241, Peoples R China

[6] Emory Univ, Yerkes Reg Primate Res Ctr, Div Dev & Cognit Neurosci, Atlanta, GA 30322 USA

[7] Aix Marseille Univ, UMR CNRS 7296, Lab Syst & Informat Sci, F-13284 Marseille, France

[8] Univ Ghent, Dept Expt Psychol, B-9000 Ghent, Belgium

[9] Natl Yang Ming Univ, Inst Neurosci, Taipei 112, Taiwan

[10] Massachusetts Gen Hosp, Ctr Neurosci, Ctr Morphometr Anal, Boston, MA 02114 USA

[11] Natl Inst Informat & Commun Technol, Ctr Informat & Neural Networks, Osaka 5650871, Japan

[12] Trousseau Hosp, AP HP, Neuropediat Dept, F-75012 Paris, France

[13] Univ Edinburgh, Coll Med & Vet Med, Clin Res Imaging Ctr, Edinburgh EH8 9YL, Midlothian, Scotland

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2015年 / 112卷 / 04期

关键词：

brain; anatomy; asymmetry; human-specific; STS; SURFACE-BASED ANALYSIS; HUMAN CEREBRAL-CORTEX; PLANUM TEMPORALE; LANGUAGE LATERALIZATION; STRUCTURAL ASYMMETRIES; LEFT-HANDERS; AREA; HANDEDNESS; INFANTS; FMRI;

D O I：

10.1073/pnas.1412389112

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：

Identifying potentially unique features of the human cerebral cortex is a first step to understanding how evolution has shaped the brain in our species. By analyzing MR images obtained from 177 humans and 73 chimpanzees, we observed a human-specific asymmetry in the superior temporal sulcus at the heart of the communication regions and which we have named the "superior temporal asymmetrical pit" (STAP). This 45-mm-long segment ventral to Heschl's gyrus is deeper in the right hemisphere than in the left in 95% of typical human subjects, from infanthood till adulthood, and is present, irrespective of handedness, language lateralization, and sex although it is greater in males than in females. The STAP also is seen in several groups of atypical subjects including persons with situs inversus, autistic spectrum disorder, Turner syndrome, and corpus callosum agenesis. It is explained in part by the larger number of sulcal interruptions in the left than in the right hemisphere. Its early presence in the infants of this study as well as in fetuses and premature infants suggests a strong genetic influence. Because this asymmetry is barely visible in chimpanzees, we recommend the STAP region during midgestation as an important phenotype to investigate asymmetrical variations of gene expression among the primate lineage. This genetic target may provide important insights regarding the evolution of the crucial cognitive abilities sustained by this sulcus in our species, namely communication and social cognition.

引用

页码：1208 / 1213

页数：6

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