User profiles for Spyros S. Kollias

Spyros Kollias

Professor der Neuroradiologie
Verified email at usz.ch
Cited by 14855

[BOOK][B] Duvernoy's atlas of the human brain stem and cerebellum: high-field MRI, surface anatomy, internal structure, vascularization and 3 D sectional anatomy

…, HM Duvernoy, BN Delman, AG Sorensen, SS Kollias… - 2009 - books.google.com
Advanced MRI requires advanced knowledge of anatomy. This volume correlates thin-section
brain anatomy with corresponding clinical 3 T MR images in axial, coronal and sagittal …

Beyond re-membering: Phantom sensations of congenitally absent limbs

P Brugger, SS Kollias, RM Müri… - Proceedings of the …, 2000 - National Acad Sciences
… To identify potential cortical areas activated during voluntary movements of our subject's,
AZ's, … Complementary to the fMRI study, we mapped AZ's sensorimotor cortex by transcranial …

Intraoperative validation of functional magnetic resonance imaging and cortical reorganization patterns in patients with brain tumors involving the primary motor cortex

J Fandino, SS Kollias, HG Wieser, A Valavanis… - Journal of …, 1999 - thejns.org
Object. The purpose of the present study was to compare the results of functional magnetic
resonance (fMR) imaging with those of intraoperative cortical stimulation in patients who …

What disconnection tells about motor imagery: evidence from paraplegic patients

…, A Curt, MC Hepp-Reymond, SS Kollias - Cerebral …, 2005 - academic.oup.com
Brain activation during motor imagery has been the subject of a large number of studies in
healthy subjects, leading to divergent interpretations with respect to the role of descending …

Reduced field‐of‐view MRI using outer volume suppression for spinal cord diffusion imaging

…, P Boesiger, SS Kollias - … in Medicine: An …, 2007 - Wiley Online Library
A spin‐echo single‐shot echo‐planar imaging (SS‐EPI) technique with a reduced field of
view (FOV) in the phase‐encoding direction is presented that simultaneously reduces …

Changes of non‐affected upper limb cortical representation in paraplegic patients as assessed by fMRI

…, SH Boendermaker, MC Hepp‐Reymond, SS Kollias - Brain, 2002 - academic.oup.com
Peripheral and central nervous system lesions can induce reorganization within central
somatosensory and motor body representations. We report changes in brain activation patterns …

Cystic malformations of the posterior fossa: differential diagnosis clarified through embryologic analysis.

SS Kollias, WS Ball Jr, EC Prenger - Radiographics, 1993 - pubs.rsna.org
Cystic or cyst-like malformations of the posterior fossa represent a spectrum of disorders,
including the Dandy-Walker malformation, vermian-cerebellar hypoplasia, mega cisterna …

Preservation of motor programs in paraplegics as demonstrated by attempted and imagined foot movements

…, P Brugger, MC Hepp-Reymond, A Curt, SS Kollias - Neuroimage, 2008 - Elsevier
Execution and imagination of movement activate distinct neural circuits, partially overlapping
in premotor and parietal areas, basal ganglia and cerebellum. Can long-term deafferented/…

Morphological differences in Parkinson's disease with and without rest tremor

DH Benninger, S Thees, SS Kollias, CL Bassetti… - Journal of …, 2009 - Springer
Background Rest tremor is a hallmark of Parkinson’s disease (PD), but its pathogenesis
remains incompletely understood. Nigro-striatal dopamine deficiency correlates best with …

Plasticity of the human motor cortex in patients with arteriovenous malformations: a functional MR imaging study

H Alkadhi, SS Kollias, GR Crelier… - American journal …, 2000 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The capacity of the human brain to recover from damage
has been explained on the basis of plasticity, according to which remaining areas assume …