Cited by 81Advanced Neuroimaging Techniques and ApplicationsMotor Control and AdaptationMedical and Biological Sciences

Somatotopic Arrangement and Location of the Corticospinal Tract in the Brainstem of the Human Brain

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Jang, Sung Ho·2011·Yonsei Medical Journal

Abstract

The corticospinal tract (CST) is the most important motor pathway in the human brain. Detailed knowledge of CST somatotopy is important in terms of rehabilitative management and invasive procedures for patients with brain injuries. In this study, I conducted a review of nine previous studies of the somatotopical location and arrangement at the brainstem in the human brain. The results of this review indicated that the hand and leg somatotopies of the CST are arranged medio-laterally in the mid to lateral portion of the cerebral peduncle, ventromedial-dorsolaterally in the pontine basis, and medio-laterally in the medullary pyramid. However, few diffusion tensor imaging (DTI) studies have been conducted on this topic, and only nine have been reported: midbrain (2 studies), pons (4 studies), and medulla (1 study). Therefore, further DTI studies should be conducted in order to expand the literature on this topic. In particular, research on midbrain and medulla should be encouraged.

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Authors
Jang, S. H.
Affiliations
Yeungnam University College (KR)
Corresponding author
Jang, Sung Ho
Venue
Yonsei Medical Journal
Published
2011
Volume
52
Issue
4
Pages
553
ISSN
0513-5796 (ISSN-L)
OpenAlex
W2141439424
Cited by
81
References
46
Citations by year
2026: 2 · 2025: 1 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 5 · 2019: 3 · 2018: 5 · 2017: 6 · 2016: 8 · 2015: 12 · 2014: 14 · 2013: 9 · 2012: 5
FWCI
1.48
Type
journal article
Language
en
Open access
Locations
  • Yonsei Medical Journal (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
  • National Research Foundation
  • National Research Foundation of Korea (KRF-2008-314-E00173)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Health Sciences › Medicine › Anatomy › Medical and Biological Sciences
Keywords
corticospinal tract, somatotopic organization, brainstem, cerebral peduncle, medullary pyramids, midbrain, diffusion tensor imaging, motor pathways
MeSH terms
Brain Stem, Hand, Humans, Leg, Medulla Oblongata, Pons, Pyramidal Tracts, Tegmentum Mesencephali, Diffusion Tensor Imaging

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