Works by Kollias, Spyros

Results: 81

Growth of arachnoid cysts in patients with autosomal dominant polycystic kidney disease: serial imaging and clinical relevance.

Published in:

Clinical Kidney Journal, 2012, v. 5, n. 5, p. 405, doi. 10.1093/ckj/sfs111

By:

Krauer, Fabienne;
Ahmadli, Uzeyir;
Kollias, Spyros;
Bleisch, Jörg;
Wüthrich, Rudolf P.;
Serra, Andreas L.;
Poster, Diane

Publication type:

Article

Improvement in precision grip force control with self-modulation of primary motor cortex during motor imagery.

Published in:

Frontiers in Behavioral Neuroscience, 2015, v. 9, p. 1, doi. 10.3389/fnbeh.2015.00018

By:

Blefari, Maria L.;
Sulzer, James;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros;
Gassert, Roger

Publication type:

Article

Symptom dimensions are associated with reward processing in unmedicated persons at risk for psychosis.

Published in:

Frontiers in Behavioral Neuroscience, 2014, v. 8, p. 1, doi. 10.3389/fnbeh.2014.00382

By:

Wotruba, Diana;
Heekeren, Karsten;
Michels, Lars;
Buechler, Roman;
Simon, Joe J.;
Theodoridou, Anastasia;
Kollias, Spyros;
Rössler, Wulf;
Kaiser, Stefan

Publication type:

Article

Disentangling the Effects of Spinal Cord Injury and Related Neuropathic Pain on Supraspinal Neuroplasticity: A Systematic Review on Neuroimaging.

Published in:

Frontiers in Neurology, 2020, p. 1, doi. 10.3389/fneur.2019.01413

By:

Huynh, Vincent;
Rosner, Jan;
Curt, Armin;
Kollias, Spyros;
Hubli, Michèle;
Michels, Lars

Publication type:

Article

Prognostic value of O-(2-[18F]-fluoroethyl)-L-tyrosine PET in relapsing oligodendroglioma.

Published in:

Acta Oncologica, 2020, v. 59, n. 11, p. 1357, doi. 10.1080/0284186X.2020.1787507

By:

Schneider, Florian;
Wolpert, Fabian;
Stolzmann, Paul;
Albatly, Abdulrahman A.;
Kenkel, David;
Weller, Jonathan;
Weller, Michael;
Kollias, Spyros S.;
Rushing, Elisabeth J.;
Veit-Haibach, Patrick;
Huellner, Martin W.

Publication type:

Article

Evolution of glioblastoma.

Published in:

Acta Oncologica, 2009, v. 48, n. 4, p. 630, doi. 10.1080/02841860802637799

By:

Hofer, Silvia;
Kollias, Spyros;
Weller, Michael

Publication type:

Article

Enhanced Activation of Motor Execution Networks Using Action Observation Combined with Imagination of Lower Limb Movements.

Published in:

PLoS ONE, 2013, v. 8, n. 8, p. 1, doi. 10.1371/journal.pone.0072403

By:

Villiger, Michael;
Estévez, Natalia;
Hepp-Reymond, Marie-Claude;
Kiper, Daniel;
Kollias, Spyros S.;
Eng, Kynan;
Hotz-Boendermaker, Sabina

Publication type:

Article

Performance of three freely available methods for extracting white matter hyperintensities: FreeSurfer, UBO Detector, and BIANCA.

Published in:

Human Brain Mapping, 2022, v. 43, n. 5, p. 1481, doi. 10.1002/hbm.25739

By:

Hotz, Isabel;
Deschwanden, Pascal Frédéric;
Liem, Franziskus;
Mérillat, Susan;
Malagurski, Brigitta;
Kollias, Spyros;
Jäncke, Lutz

Publication type:

Article

Brainstem cavernoma surgery with the support of pre- and postoperative diffusion tensor imaging: initial experiences and clinical course of 23 patients.

Published in:

Neurosurgical Review, 2014, v. 37, n. 3, p. 481, doi. 10.1007/s10143-014-0550-x

By:

Ulrich, Nils;
Kockro, Ralf;
Bellut, David;
Amaxopoulou, Christina;
Bozinov, Oliver;
Burkhardt, Jan-Karl;
Sarnthein, Johannes;
Kollias, Spyros;
Bertalanffy, Helmut

Publication type:

Article

Metal artefact reduction from dental hardware in carotid CT angiography using iterative reconstructions.

Published in:

European Radiology, 2013, v. 23, n. 10, p. 2687, doi. 10.1007/s00330-013-2885-z

By:

Morsbach, Fabian;
Wurnig, Moritz;
Kunz, Daniel;
Krauss, Andreas;
Schmidt, Bernhard;
Kollias, Spyros;
Alkadhi, Hatem

Publication type:

Article

Interdisciplinary endoscopic assisted surgery of a patient with a complete transorbital intracranial impalement through the dominant hemisphere.

Published in:

2012

By:

Burkhardt, Jan-Karl;
Holzmann, David;
Strobl, Lisa;
Woernle, Christoph;
Bosch, Martina;
Kollias, Spyros;
Reisch, Robert

Publication type:

Report

Disrupted longitudinal restoration of brain connectivity during weight normalization in severe anorexia nervosa.

Published in:

Translational Psychiatry, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41398-023-02428-z

By:

Kaufmann, Lisa-Katrin;
Hänggi, Jürgen;
Jäncke, Lutz;
Baur, Volker;
Piccirelli, Marco;
Kollias, Spyros;
Schnyder, Ulrich;
Martin-Soelch, Chantal;
Milos, Gabriella

Publication type:

Article

Considering non‐bladder aetiologies of overactive bladder: a functional neuroimaging study.

Published in:

BJU International, 2021, v. 128, n. 5, p. 586, doi. 10.1111/bju.15354

By:

Walter, Matthias;
Leitner, Lorenz;
Betschart, Cornelia;
Engeler, Daniel S.;
Freund, Patrick;
Kessler, Thomas M.;
Kollias, Spyros;
Liechti, Martina D.;
Scheiner, David A.;
Michels, Lars;
Mehnert, Ulrich

Publication type:

Article

A novel infusion-drainage device to assess lower urinary tract function in neuro-imaging.

Published in:

BJU International, 2017, v. 119, n. 2, p. 305, doi. 10.1111/bju.13655

By:

Leitner, Lorenz;
Walter, Matthias;
Jarrahi, Behnaz;
Wanek, Johann;
Diefenbacher, Jörg;
Michels, Lars;
Liechti, Martina D.;
Kollias, Spyros S.;
Kessler, Thomas M.;
Mehnert, Ulrich

Publication type:

Article

Abnormal Connectivity and Brain Structure in Patients With Visual Snow.

Published in:

Frontiers in Human Neuroscience, 2020, v. 14, p. N.PAG, doi. 10.3389/fnhum.2020.582031

By:

Aldusary, Njoud;
Traber, Ghislaine L.;
Freund, Patrick;
Fierz, Fabienne C.;
Weber, Konrad P.;
Baeshen, Arwa;
Alghamdi, Jamaan;
Saliju, Bujar;
Pazahr, Shila;
Mazloum, Reza;
Alshehri, Fahad;
Landau, Klara;
Kollias, Spyros;
Piccirelli, Marco;
Michels, Lars

Publication type:

Article

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

Published in:

2002

By:

Curt A;
Alkadhi H;
Crelier GR;
Boendermaker SH;
Hepp-Reymond M;
Kollias SS;
Curt, Armin;
Alkadhi, Hatem;
Crelier, Gérard R;
Boendermaker, Sabina Hotz;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros S

Publication type:

journal article

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

Published in:

Brain: A Journal of Neurology, 2002, v. 125, n. 11, p. 2567, doi. 10.1093/brain/awf250

By:

Curt, Armin;
Alkadhi, Hatem;
Crelier, Gérard R.;
Boendermaker, Sabina Hotz;
Hepp‐Reymond, Marie‐Claude;
Kollias, Spyros S.

Publication type:

Article

Natalizumab-Related Progressive Multifocal Leukoencephalopathy-Immune Reconstitution Inflammatory Syndrome: A Case Report Highlighting Clinical and MRI Features.

Published in:

Malaysian Journal of Medical Sciences, 2016, v. 23, n. 5, p. 91, doi. 10.21315/mjms2016.23.5.12

By:

PUROHIT, Bela;
GANEWATTE, Eranga;
KOLLIAS, Spyros S.

Publication type:

Article

Triple Network Model Dynamically Revisited: Lower Salience Network State Switching in Pre-psychosis.

Published in:

Frontiers in Physiology, 2020, v. 11, p. 1, doi. 10.3389/fphys.2020.00066

By:

Bolton, Thomas A. W.;
Wotruba, Diana;
Buechler, Roman;
Theodoridou, Anastasia;
Michels, Lars;
Kollias, Spyros;
Rössler, Wulf;
Heekeren, Karsten;
Van De Ville, Dimitri

Publication type:

Article

Subcortical Shape Changes, Hippocampal Atrophy and Cortical Thinning in Future Alzheimer's Disease Patients.

Published in:

Frontiers in Aging Neuroscience, 2017, v. 9, p. 1, doi. 10.3389/fnagi.2017.00038

By:

Kälin, Andrea M.;
Park, Min T. M.;
Chakravarty, M. Mallar;
Lerch, Jason P.;
Michels, Lars;
Schroeder, Clemens;
Broicher, Sarah D.;
Kollias, Spyros;
Nitsch, Roger M.;
Gietl, Anton F.;
Unschuld, Paul G.;
Hock, Christoph;
Leh, Sandra E.

Publication type:

Article

McLeod syndrome: a novel mutation, predominant psychiatric manifestations, and distinct striatal imaging findings.

Published in:

2001

By:

Jung, Hans H.;
Hergersberg, Martin;
Kneifel, Stefan;
Alkadhi, Hatem;
Schiess, Regula;
Weigell-Weber, Maike;
Daniels, Geoff;
Kollias, Spyros;
Hess, Klaus;
Jung, H H;
Hergersberg, M;
Kneifel, S;
Alkadhi, H;
Schiess, R;
Weigell-Weber, M;
Daniels, G;
Kollias, S;
Hess, K

Publication type:

journal article

Contrast-Enhanced PET/MR Imaging Versus Contrast-Enhanced PET/CT in Head and Neck Cancer: How Much MR Information Is Needed?

Published in:

Journal of Nuclear Medicine, 2014, v. 55, n. 4, p. 551, doi. 10.2967/jnumed.113.125443

By:

Kuhn, Felix P.;
Hüllner, Martin;
Mader, Caecilia E.;
Kastrinidis, Nikos;
Huber, Gerhard F.;
von Schulthess, Gustav K.;
Kollias, Spyros;
Veit-Haibach, Patrick

Publication type:

Article

Arterial spin labeling imaging reveals widespread and Aβ-independent reductions in cerebral blood flow in elderly apolipoprotein epsilon-4 carriers.

Published in:

Journal of Cerebral Blood Flow & Metabolism, 2016, v. 36, n. 3, p. 581, doi. 10.1177/0271678X15605847

By:

Michels, Lars;
Warnock, Geoffrey;
Buck, Alfred;
Macauda, Gianluca;
Leh, Sandra E.;
Kaelin, Andrea M.;
Riese, Florian;
Meyer, Rafael;
O'Gorman, Ruth;
Hock, Christoph;
Kollias, Spyros;
Gietl, Anton F.

Publication type:

Article

Use of diffusion-weighted imaging (DWI) in PET/MRI for head and neck cancer evaluation.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2014, v. 41, n. 12, p. 2212, doi. 10.1007/s00259-014-2867-7

By:

Queiroz, Marcelo;
Hüllner, Martin;
Kuhn, Felix;
Huber, Gerhardt;
Meerwein, Christian;
Kollias, Spyros;
Schulthess, Gustav;
Veit-Haibach, Patrick

Publication type:

Article

PET/MRI and PET/CT in follow-up of head and neck cancer patients.

Published in:

European Journal of Nuclear Medicine & Molecular Imaging, 2014, v. 41, n. 6, p. 1066, doi. 10.1007/s00259-014-2707-9

By:

Queiroz, Marcelo;
Hüllner, Martin;
Kuhn, Felix;
Huber, Gerhardt;
Meerwein, Christian;
Kollias, Spyros;
Schulthess, Gustav;
Veit-Haibach, Patrick

Publication type:

Article

Movement Observation Activates Lower Limb Motor Networks in Chronic Complete Paraplegia.

Published in:

Neurorehabilitation & Neural Repair, 2011, v. 25, n. 5, p. 469, doi. 10.1177/1545968310389184

By:

Hotz-Boendermaker, Sabina;
Hepp-Reymond, Marie-Claude;
Curt, Armin;
Kollias, Spyros S.

Publication type:

Article

Supraspinal Control of Urine Storage and Micturition in Men--An fMRI Study.

Published in:

Cerebral Cortex, 2015, v. 25, n. 10, p. 3369, doi. 10.1093/cercor/bhu140

By:

Michels, Lars;
Blok, Bertil F. M.;
Gregorini, Flavia;
Kurz, Michael;
Schurch, Brigitte;
Kessler, Thomas M.;
Kollias, Spyros;
Mehnert, Ulrich

Publication type:

Article

What Disconnection Tells about Motor Imagery: Evidence from Paraplegic Patients.

Published in:

Cerebral Cortex, 2005, v. 15, n. 2, p. 131, doi. 10.1093/cercor/bhh116

By:

Alkadhi, Hatem;
Brugger, Peter;
Boendermaker, Sabina Hotz;
Crelier, Gerard;
Curt, Armin;
Hepp-Reymond, Marie-Claude;
Kollias, Spyros S.

Publication type:

Article

Balo's Concentric Sclerosis with Acute Presentation and Co-Existing Multiple Sclerosis-Typical Lesions on MRI.

Published in:

Case Reports in Neurology, 2015, v. 7, n. 1, p. 44, doi. 10.1159/000380813

By:

Purohit, Bela;
Ganewatte, Eranga;
Schreiner, Bettina;
Kollias, Spyros

Publication type:

Article

High-throughput sequencing of insect specimens with sub-optimal DNA preservation using a practical, plate-based Illumina-compatible Tn5 transposase library preparation method.

Published in:

PLoS ONE, 2024, v. 19, n. 3, p. 1, doi. 10.1371/journal.pone.0300865

By:

Cobb, Lauren;
de Muinck, Erik;
Kollias, Spyros;
Skage, Morten;
Gilfillan, Gregor D.;
Sydenham, Markus A. K.;
Qiao, Shuo-Wang;
Star, Bastiaan

Publication type:

Article

Test-retest reliability of fMRI experiments during robot-assisted active and passive stepping.

Published in:

2015

By:

Jaeger, Lukas;
Marchal-Crespo, Laura;
Wolf, Peter;
Riener, Robert;
Kollias, Spyros;
Michels, Lars

Publication type:

journal article

Protocol for a prospective magnetic resonance imaging study on supraspinal lower urinary tract control in healthy subjects and spinal cord injury patients undergoing intradetrusor onabotulinumtoxinA injections for treating neurogenic detrusor overactivity.

Published in:

BMC Urology, 2014, v. 14, n. 1, p. 68, doi. 10.1186/1471-2490-14-68

By:

Leitner, Lorenz;
Walter, Matthias;
Freund, Patrick;
Mehnert, Ulrich;
Michels, Lars;
Kollias, Spyros;
Kessler, Thomas M.

Publication type:

Article

Protocol for a prospective magnetic resonance imaging study on supraspinal lower urinary tract control in healthy subjects and spinal cord injury patients undergoing intradetrusor onabotulinumtoxinA injections for treating neurogenic detrusor overactivity.

Published in:

2014

By:

Leitner, Lorenz;
Walter, Matthias;
Freund, Patrick;
Mehnert, Ulrich;
Michels, Lars;
Kollias, Spyros;
Kessler, Thomas M

Publication type:

journal article

Non-water-suppressed proton MR spectroscopy improves spectral quality in the human spinal cord.

Published in:

Magnetic Resonance in Medicine, 2013, v. 69, n. 5, p. 1253, doi. 10.1002/mrm.24387

By:

Hock, Andreas;
MacMillan, Erin L.;
Fuchs, Alexander;
Kreis, Roland;
Boesiger, Peter;
Kollias, Spyros S.;
HENning, Anke

Publication type:

Article

Quantitative magnetic resonance spectroscopy in the entire human cervical spinal cord and beyond at 3T.

Published in:

Magnetic Resonance in Medicine, 2008, v. 59, n. 6, p. 1250, doi. 10.1002/mrm.21578

By:

Henning, Anke;
Schär, Michael;
Kollias, Spyros S.;
Boesiger, Peter;
Dydak, Ulrike

Publication type:

Article

PRESTO-SENSE: An ultrafast whole-brain fMRI technique.

Published in:

Magnetic Resonance in Medicine, 2000, v. 43, n. 6, p. 779, doi. 10.1002/1522-2594(200006)43:6<779::AID-MRM1>3.0.CO;2-4

By:

Golay, Xavier;
Pruessmann, Klaas P.;
Weiger, Markus;
Crelier, Gérard R.;
Folkers, Paul J.M.;
Kollias, Spyros S.;
Boesiger, Peter

Publication type:

Article

A new correlation-based fuzzy logic clustering algorithm for FMRI.

Published in:

Magnetic Resonance in Medicine, 1998, v. 40, n. 2, p. 249, doi. 10.1002/mrm.1910400211

By:

Golay, Xavier;
Kollias, Spyros;
Stoll, Gautier;
Meier, Dieter;
Valavanis, Anton;
Boesiger, Peter

Publication type:

Article

Differential representation of dynamic and static power grip force in the sensorimotor network.

Published in:

European Journal of Neuroscience, 2010, v. 31, n. 8, p. 1483, doi. 10.1111/j.1460-9568.2010.07172.x

By:

Keisker, Birgit;
Hepp‐Reymond, Marie‐Claude;
Blickenstorfer, Armin;
Kollias, Spyros S.

Publication type:

Article

Electrophysiological evidence for cortical plasticity with movement repetition.

Published in:

European Journal of Neuroscience, 2005, v. 21, n. 8, p. 2271, doi. 10.1111/j.1460-9568.2005.04045.x

By:

Halder, Pascal;
Sterr, Annette;
Brem, Silvia;
Bucher, Kerstin;
Kollias, Spyros;
Brandeis, Daniel

Publication type:

Article

On the Modulation of Brain Activation During Simulated Weight Bearing in Supine Gait-Like Stepping.

Published in:

Brain Topography, 2016, v. 29, n. 1, p. 193, doi. 10.1007/s10548-015-0441-7

By:

Jaeger, Lukas;
Marchal-Crespo, Laura;
Wolf, Peter;
Luft, Andreas;
Riener, Robert;
Michels, Lars;
Kollias, Spyros

Publication type:

Article

A Reliability Study on Brain Activation During Active and Passive Arm Movements Supported by an MRI-Compatible Robot.

Published in:

Brain Topography, 2014, v. 27, n. 6, p. 731, doi. 10.1007/s10548-014-0355-9

By:

Estévez, Natalia;
Yu, Ningbo;
Brügger, Mike;
Villiger, Michael;
Hepp-Reymond, Marie-Claude;
Riener, Robert;
Kollias, Spyros

Publication type:

Article

Differential functional brain network connectivity during visceral interoception as revealed by independent component analysis of fMRI time-series.

Published in:

Human Brain Mapping, 2015, v. 36, n. 11, p. 4438, doi. 10.1002/hbm.22929

By:

Jarrahi, Behnaz;
Mantini, Dante;
Balsters, Joshua Henk;
Michels, Lars;
Kessler, Thomas M.;
Mehnert, Ulrich;
Kollias, Spyros S.

Publication type:

Article

The supraspinal neural correlate of bladder cold sensation-An fMRI study.

Published in:

Human Brain Mapping, 2011, v. 32, n. 6, p. 835, doi. 10.1002/hbm.21070

By:

Mehnert, Ulrich;
Michels, Lars;
Zempleni, Monika-Zita;
Schurch, Brigitte;
Kollias, Spyros

Publication type:

Article

Differential force scaling of fine-graded power grip force in the sensorimotor network.

Published in:

Human Brain Mapping, 2009, v. 30, n. 8, p. 2453, doi. 10.1002/hbm.20676

By:

Keisker, Birgit;
Hepp-Reymond, Marie-Claude;
Blickenstorfer, Armin;
Meyer, Martin;
Kollias, Spyros S.

Publication type:

Article

Cortical and subcortical correlates of functional electrical stimulation of wrist extensor and flexor muscles revealed by fMRI.

Published in:

Human Brain Mapping, 2009, v. 30, n. 3, p. 963, doi. 10.1002/hbm.20559

By:

Blickenstorfer, Armin;
Kleiser, Raimund;
Keller, Thierry;
Keisker, Birgit;
Meyer, Martin;
Riener, Robert;
Kollias, Spyros

Publication type:

Article

Electrophysiological and hemodynamic evidence for late maturation of hand power grip and force control under visual feedback.

Published in:

Human Brain Mapping, 2007, v. 28, n. 1, p. 69, doi. 10.1002/hbm.20262

By:

Halder, Pascal;
Brem, Silvia;
Bucher, Kerstin;
Boujraf, Said;
Summers, Paul;
Dietrich, Thomas;
Kollias, Spyros;
Martin, Ernst;
Brandeis, Daniel

Publication type:

Article

Gray matter and white matter changes in non-demented amyotrophic lateral sclerosis patients with or without cognitive impairment: A combined voxel-based morphometry and tract-based spatial statistics whole-brain analysis.

Published in:

2018

By:

Christidi, Foteini;
Karavasilis, Efstratios;
Riederer, Franz;
Zalonis, Ioannis;
Ferentinos, Panagiotis;
Velonakis, Georgios;
Xirou, Sophia;
Rentzos, Michalis;
Argiropoulos, Georgios;
Zouvelou, Vasiliki;
Zambelis, Thomas;
Athanasakos, Athanasios;
Toulas, Panagiotis;
Vadikolias, Konstantinos;
Efstathopoulos, Efstathios;
Kollias, Spyros;
Karandreas, Nikolaos;
Kelekis, Nikolaos;
Evdokimidis, Ioannis

Publication type:

journal article

Intensive virtual reality-based training for upper limb motor function in chronic stroke: a feasibility study using a single case experimental design and fMRI.

Published in:

Disability & Rehabilitation: Assistive Technology, 2015, v. 10, n. 5, p. 385, doi. 10.3109/17483107.2014.908963

By:

Schuster-Amft, Corina;
Henneke, Andrea;
Hartog-Keisker, Birgit;
Holper, Lisa;
Siekierka, Ewa;
Chevrier, Edith;
Pyk, Pawel;
Kollias, Spyros;
Kiper, Daniel;
Eng, Kynan

Publication type:

Article

Neurochemical profile of the human cervical spinal cord determined by MRS.

Published in:

NMR in Biomedicine, 2016, v. 29, n. 10, p. 1464, doi. 10.1002/nbm.3589

By:

Hock, Andreas;
Wilm, Bertram;
Zandomeneghi, Giorgia;
Ampanozi, Garyfalia;
Franckenberg, Sabine;
Zoelch, Niklaus;
Wyss, Patrik Oliver;
De Zanche, Nicola;
Nordmeyer‐Maßner, Jurek;
Kraemer, Thomas;
Thali, Michael;
Ernst, Matthias;
Kollias, Spyros;
Henning, Anke

Publication type:

Article

Electrocardiogram-triggered, higher order, projection-based B0 shimming allows for fast and reproducible shim convergence in spinal cord 1H MRS.

Published in:

NMR in Biomedicine, 2013, v. 26, n. 3, p. 329, doi. 10.1002/nbm.2852

By:

Hock, Andreas;
Fuchs, Alexander;
Boesiger, Peter;
Kollias, Spyros S.;
Henning, Anke

Publication type:

Article