User profiles for T. Loenneker
Thomas LoennekerSenior Director Verified email at loenneker.org Cited by 4007 |
[HTML][HTML] Impaired neural networks for approximate calculation in dyscalculic children: a functional MRI study
K Kucian, T Loenneker, T Dietrich, M Dosch… - Behavioral and Brain …, 2006 - Springer
… When comparing mean ΔS and mean t-values between children with or without DD in
each ROI by t-tests, significant differences or trends for differences in mean t-values were …
each ROI by t-tests, significant differences or trends for differences in mean t-values were …
Optimized voxel-based morphometry in children with developmental dyscalculia
…, E Martin, M von Aster, P Klaver, T Loenneker - Neuroimage, 2008 - Elsevier
… Magnetic resonance imaging was obtained from 12 children with DD aged 9.3±0.2 years
and 12 age-matched control children without any learning disabilities on a 1.5 T whole-body …
and 12 age-matched control children without any learning disabilities on a 1.5 T whole-body …
White matter plasticity in the corticospinal tract of musicians: a diffusion tensor imaging study
… Group comparisons were based on independent-samples t-tests and hemispheric laterality
effects were examined using paired-samples t-tests. For slicewise analysis, ROIs for the left …
effects were examined using paired-samples t-tests. For slicewise analysis, ROIs for the left …
Dysfunctional neural network of spatial working memory contributes to developmental dyscalculia
S Rotzer, T Loenneker, K Kucian, E Martin, P Klaver… - Neuropsychologia, 2009 - Elsevier
… First, we computed one sample t-tests for each group to reveal activations for spatial …
Second, to detect the effect of DD, we computed group comparisons with two sample t-tests …
Second, to detect the effect of DD, we computed group comparisons with two sample t-tests …
Children with dyslexia lack multiple specializations along the visual word-form (VWF) system
… Statistical parametric maps of t-values were generated. One-sample t-tests across all
participants in each group were performed to determine whether activation within a group was …
participants in each group were performed to determine whether activation within a group was …
“Silent” MRI with soft gradient pulses
A method to reduce the acoustic noise generated by gradient systems in magnetic resonance
imaging (MRI) is proposed based on the linear response theory. Since the acoustic …
imaging (MRI) is proposed based on the linear response theory. Since the acoustic …
Development of neural networks for exact and approximate calculation: A FMRI study
…, M von Aster, T Loenneker, T Dietrich… - Developmental …, 2008 - Taylor & Francis
Neuroimaging findings in adults suggest exact and approximate number processing relying
on distinct neural circuits. In the present study we are investigating whether this cortical …
on distinct neural circuits. In the present study we are investigating whether this cortical …
[HTML][HTML] The plasticity of the superior longitudinal fasciculus as a function of musical expertise: a diffusion tensor imaging study
MS Oechslin, A Imfeld, T Loenneker… - Frontiers in Human …, 2010 - frontiersin.org
Previous neuroimaging studies have demonstrated that musical expertise leads to functional
alterations in language processing. We utilized diffusion tensor imaging (DTI) to investigate …
alterations in language processing. We utilized diffusion tensor imaging (DTI) to investigate …
Quantitative diffusion tensor MR imaging of the brain: field strength related variance of apparent diffusion coefficient (ADC) and fractional anisotropy (FA) scalars
TAGM Huisman, T Loenneker, G Barta… - European …, 2006 - Springer
The objectives were to study the “impact” of the magnetic field strength on diffusion tensor
imaging (DTI) metrics and also to determine whether magnetic-field-related differences in T2-…
imaging (DTI) metrics and also to determine whether magnetic-field-related differences in T2-…
Diffusion tensor imaging in Joubert syndrome
A Poretti, E Boltshauser, T Loenneker… - American journal …, 2007 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Neuropathologic findings and preliminary imaging
studies demonstrated the absence of pyramidal tract and superior cerebellar peduncular …
studies demonstrated the absence of pyramidal tract and superior cerebellar peduncular …