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@ARTICLE{Caspers:15775,
author = {Caspers, S. and Eickhoff, S.B. and Rick, T. and von Kapri,
A. and Kuhlen, T. and Huang, R. and Shah, N.J. and Zilles,
K.},
title = {{P}robabilistic fibre tract analysis of
cytoarchtitectonically defined human inferior parietal
lobule areas reveals similatrities to macaques},
journal = {NeuroImage},
volume = {58},
issn = {1053-8119},
address = {Orlando, Fla.},
publisher = {Academic Press},
reportid = {PreJuSER-15775},
pages = {362 - 380},
year = {2011},
note = {This Human Brain Project/Neuroinformatics Research was
funded by the National Institute of Biomedical Imaging and
Bioengeneering, the National Institute of Neurological
Disorders and Stroke and the National Institute of Mental
Health (KZ). Further funding was granted by the Human Brain
Project (R01-MH074457-01A1; SBE), the Initiative and
Networking Fund of the Helmholtz Association within the
Helmholtz Alliance on Systems Biology (Human Brain Model;
KZ, SBE), and the Helmholtz Alliance for Mental Health in an
Aging Society (HelMA; KZ).},
abstract = {The human inferior parietal lobule (IPL) is a multimodal
brain region, subdivided in several cytoarchitectonic areas
which are involved in neural networks related to spatial
attention, language, and higher motor processing. Tracer
studies in macaques revealed differential connectivity
patterns of IPL areas as the respective structural basis.
Evidence for comparable differential fibre tracts of human
IPL is lacking. Here, anatomical connectivity of five
cytoarchitectonic human IPL areas to 64 cortical targets was
investigated using probabilistic tractography. Connection
likelihood was assessed by evaluating the number of traces
between seed and target against the distribution of traces
from that seed to voxels in the same distance as the target.
The main fibre tract pattern shifted gradually from rostral
to caudal IPL: Rostral areas were predominantly connected to
somatosensory and superior parietal areas while caudal areas
more strongly connected with auditory, anterior temporal and
higher visual cortices. All IPL areas were strongly
connected with inferior frontal, insular and posterior
temporal areas. These results showed striking similarities
with connectivity patterns in macaques, providing further
evidence for possible homologies between these two species.
This shift in fibre tract pattern supports a differential
functional involvement of rostral (higher motor functions)
and caudal IPL (spatial attention), with probable
overlapping language involvement. The differential
functional involvement of IPL areas was further supported by
hemispheric asymmetries of connection patterns which showed
left-right differences especially with regard to connections
to sensorimotor, inferior frontal and temporal areas.},
keywords = {Adult / Animals / Cerebral Cortex: anatomy $\&$ histology /
Cerebral Cortex: physiology / Diffusion Tensor Imaging:
methods / Female / Humans / Image Processing,
Computer-Assisted / Macaca / Male / Models, Statistical /
Nerve Fibers: physiology / Neural Pathways: anatomy $\&$
histology / Neural Pathways: physiology / Parietal Lobe:
anatomy $\&$ histology / Parietal Lobe: physiology / Species
Specificity / Young Adult / J (WoSType)},
cin = {INM-2 / INM-4},
ddc = {610},
cid = {I:(DE-Juel1)INM-2-20090406 / I:(DE-Juel1)INM-4-20090406},
pnm = {Funktion und Dysfunktion des Nervensystems (FUEK409) /
89573 - Neuroimaging (POF2-89573)},
pid = {G:(DE-Juel1)FUEK409 / G:(DE-HGF)POF2-89573},
shelfmark = {Neurosciences / Neuroimaging / Radiology, Nuclear Medicine
$\&$ Medical Imaging},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:21718787},
UT = {WOS:000294525000010},
doi = {10.1016/j.neuroimage.2011.06.027},
url = {https://juser.fz-juelich.de/record/15775},
}