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@ARTICLE{Heim:11234,
author = {Heim, S. and Grande, M. and Meffert, E. and Eickhoff, S. B.
and Schreiber, H. and Kukolja, J. and Shah, J. N. and Huber,
W. and Amunts, K.},
title = {{C}ognitive levels of performance account for hemispheric
lateralisation effects in dyslexic and normally reading
children},
journal = {NeuroImage},
volume = {53},
issn = {1053-8119},
address = {Orlando, Fla.},
publisher = {Academic Press},
reportid = {PreJuSER-11234},
pages = {1346 - 1358},
year = {2010},
note = {This research was supported by the German Federal Ministry
of Education and Research (BMBF 01GJ0613 to S.H. and BMBF
01GJ0614 to M.G.), the National Institute of Biomedical
Imaging and Bioengineering, the National Institute of
Neurological Disorders and Stroke, and the National
Institute of Mental Health (K.A.).},
abstract = {Recent theories of developmental dyslexia explain reading
deficits in terms of deficient phonological awareness,
attention, visual and auditory processing, or automaticity.
Since dyslexia has a neurobiological basis, the question
arises how the reader's proficiency in these cognitive
variables affects the brain regions involved in visual word
recognition. This question was addressed in two fMRI
experiments with 19 normally reading children (Experiment 1)
and 19 children with dyslexia (Experiment 2). First,
reading-specific brain activation was assessed by
contrasting the BOLD signal for reading aloud words vs.
overtly naming pictures of real objects. Next, ANCOVAs with
brain activation during reading the individuals' scores for
all five cognitive variables assessed outside the scanner as
covariates were performed. Whereas the normal readers' brain
activation during reading showed co-variation effects
predominantly in the right hemisphere, the reverse pattern
was observed for the dyslexics. In particular, middle
frontal gyrus, inferior parietal cortex, and precuneus
showed contralateral effects for controls as compared to
dyslexics. In line with earlier findings in the literature,
these data hint at a global change in hemispheric asymmetry
during cognitive processing in dyslexic readers, which, in
turn, might affect reading proficiency.},
keywords = {Brain: physiology / Brain Mapping / Child / Cognition:
physiology / Dyslexia: physiopathology / Female / Functional
Laterality: physiology / Humans / Magnetic Resonance Imaging
/ Male / Reading / J (WoSType)},
cin = {INM-3 / INM-1 / INM-2 / JARA-BRAIN / INM-4},
ddc = {610},
cid = {I:(DE-Juel1)INM-3-20090406 / I:(DE-Juel1)INM-1-20090406 /
I:(DE-Juel1)INM-2-20090406 / $I:(DE-82)080010_20140620$ /
I:(DE-Juel1)INM-4-20090406},
pnm = {Funktion und Dysfunktion des Nervensystems (FUEK409) /
89572 - (Dys-)function and Plasticity (POF2-89572)},
pid = {G:(DE-Juel1)FUEK409 / G:(DE-HGF)POF2-89572},
shelfmark = {Neurosciences / Neuroimaging / Radiology, Nuclear Medicine
$\&$ Medical Imaging},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:20633659},
UT = {WOS:000282165800019},
doi = {10.1016/j.neuroimage.2010.07.009},
url = {https://juser.fz-juelich.de/record/11234},
}