Mona K. Beyer

  • Professor, Senior Consultant; MD, PhD
  • +47 23 07 28 77
 

Publications 2024

Enriquez BAB, Skattør TH, Laugesen NG, Truelsen T, Lund CG, Nome T, Beyer MK, Skjelland M, Aamodt AH (2024)
External validation of clinical risk prediction score for elderly treated with endovascular thrombectomy
J Neurol, 271 (9), 5838-5845
DOI 10.1007/s00415-024-12535-6, PubMed 38954035

Frič R, Beyer MK, Due-Tønnessen BJ (2024)
Regression of Chiari malformation type 2 following early postnatal meningomyelocele repair-a retrospective observation from an institutional series of patients
Childs Nerv Syst (in press)
DOI 10.1007/s00381-024-06586-3, PubMed 39207525

Lauvsnes MB, Zetterberg H, Blennow K, Kvaløy JT, Tjensvoll AB, Maroni S, Beyer MK, Greve OJ, Kvivik I, Alves G, Gøransson LG, Harboe E, Hirohata S, Omdal R (2024)
Correction to: Neurofilament light in plasma is a potential biomarker of central nervous system involvement in systemic lupus erythematosus
J Neurol, 271 (5), 2926-2927
DOI 10.1007/s00415-024-12238-y, PubMed 38520522

Lindland ES, Røvang MS, Solheim AM, Andreassen S, Skarstein I, Dareez N, MacIntosh BJ, Eikeland R, Ljøstad U, Mygland Å, Bos SD, Ulvestad E, Reiso H, Lorentzen ÅR, Harbo HF, Bjørnerud A, Beyer MK (2024)
Are white matter hyperintensities associated with neuroborreliosis? The answer is twofold
Neuroradiology (in press)
DOI 10.1007/s00234-024-03482-0, PubMed 39422730

Publications 2023

Enriquez BAB, Nome T, Nome CG, Tennøe B, Lund CG, Beyer MK, Skjelland M, Aamodt AH (2023)
Predictors of outcome after endovascular treatment for tandem occlusions: a single center retrospective analysis
BMC Neurol, 23 (1), 82
DOI 10.1186/s12883-023-03127-4, PubMed 36849925

Hodel J, Vernooij MW, Beyer MK, Severino M, Leclerc X, Créange A, Wahab A, Badat N, Tolédano S, van den Hauwe L, Ramos A, Castellano A, Krainik A, Yousry T, Rovira À (2023)
Multiple sclerosis imaging in clinical practice: a European-wide survey of 428 centers and conclusions by the ESNR Working Group
Eur Radiol, 33 (10), 7025-7033
DOI 10.1007/s00330-023-09701-1, PubMed 37199796

Lindland ES, Solheim AM, Andreassen S, Bugge R, Eikeland R, Reiso H, Lorentzen ÅR, Harbo HF, Beyer MK, Bjørnerud A (2023)
Dynamic contrast-enhanced MRI shows altered blood-brain barrier function of deep gray matter structures in neuroborreliosis: a case-control study
Eur Radiol Exp, 7 (1), 52
DOI 10.1186/s41747-023-00365-6, PubMed 37710058

MacIntosh BJ, Liu Q, Schellhorn T, Beyer MK, Groote IR, Morberg PC, Poulin JM, Selseth MN, Bakke RC, Naqvi A, Hillal A, Ullberg T, Wassélius J, Rønning OM, Selnes P, Kristoffersen ES, Emblem KE, Skogen K, Sandset EC, Bjørnerud A (2023)
Radiological features of brain hemorrhage through automated segmentation from computed tomography in stroke and traumatic brain injury
Front Neurol, 14, 1244672
DOI 10.3389/fneur.2023.1244672, PubMed 37840934

Moltu SJ, Nordvik T, Rossholt ME, Wendel K, Chawla M, Server A, Gunnarsdottir G, Pripp AH, Domellöf M, Bratlie M, Aas M, Hüppi PS, Lapillonne A, Beyer MK, Stiris T, Maximov II, Geier O, Pfeiffer H (2023)
Arachidonic and docosahexaenoic acid supplementation and brain maturation in preterm infants; a double blind RCT
Clin Nutr, 43 (1), 176-186
DOI 10.1016/j.clnu.2023.11.037, PubMed 38061271

Nome T, Enriquez B, Nome CG, Tennøe B, Lund CG, Skjelland M, Aamodt AH, Beyer M (2023)
Clinical outcome after thrombectomy in patients with MeVO stroke: importance of clinical and technical factors
J Neurol, 271 (2), 877-886
DOI 10.1007/s00415-023-12025-1, PubMed 37847291

Sandvig HV, Aam S, Alme KN, Askim T, Beyer MK, Ellekjær H, Ihle-Hansen H, Lydersen S, Mollnes TE, Munthe-Kaas R, Næss H, Saltvedt I, Seljeseth YM, Thingstad P, Wethal T, Knapskog AB (2023)
Plasma Inflammatory Biomarkers Are Associated With Poststroke Cognitive Impairment: The Nor-COAST Study
Stroke, 54 (5), 1303-1311
DOI 10.1161/STROKEAHA.122.041965, PubMed 37026459

Publications 2022

Andreassen S, Lindland EMS, Beyer MK, Solheim AM, Ljøstad U, Mygland Å, Lorentzen ÅR, Reiso H, Bjuland KJ, Pripp AH, Harbo HF, Løhaugen GCC, Eikeland R (2022)
Assessment of cognitive function, structural brain changes and fatigue 6 months after treatment of neuroborreliosis
J Neurol, 270 (3), 1430-1438
DOI 10.1007/s00415-022-11463-7, PubMed 36380166

Andreassen S, Solheim AM, Ljøstad U, Mygland Å, Lorentzen ÅR, Reiso H, Beyer MK, Harbo HF, Løhaugen GCC, Eikeland R (2022)
Cognitive function in patients with neuroborreliosis: A prospective cohort study from the acute phase to 12 months post treatment
Brain Behav, 12 (6), e2608
DOI 10.1002/brb3.2608, PubMed 35593485

Brune S, Høgestøl EA, de Rodez Benavent SA, Berg-Hansen P, Beyer MK, Leikfoss IS, Bos SD, Sowa P, Brunborg C, Andorra M, Pulido Valdeolivas I, Asseyer S, Brandt A, Chien C, Scheel M, Blennow K, Zetterberg H, Kerlero de Rosbo N, Paul F, Uccelli A, Villoslada P, Berge T, Harbo HF (2022)
Serum neurofilament light chain concentration predicts disease worsening in multiple sclerosis
Mult Scler, 28 (12), 1859-1870
DOI 10.1177/13524585221097296, PubMed 35658739

Drobnjak Nes D, Berg-Hansen P, de Rodez Benavent SA, Høgestøl EA, Beyer MK, Rinker DA, Veiby N, Karabeg M, Petrovski BÉ, Celius EG, Harbo HF, Petrovski G (2022)
Exploring Retinal Blood Vessel Diameters as Biomarkers in Multiple Sclerosis
J Clin Med, 11 (11)
DOI 10.3390/jcm11113109, PubMed 35683496

Einstad MS, Schellhorn T, Thingstad P, Lydersen S, Aamodt EB, Beyer MK, Saltvedt I, Askim T (2022)
Neuroimaging markers of dual impairment in cognition and physical performance following stroke: The Nor-COAST study
Front Aging Neurosci, 14, 1037936
DOI 10.3389/fnagi.2022.1037936, PubMed 36561134

Lindland ES, Solheim AM, Dareez MN, Eikeland R, Ljøstad U, Mygland Å, Reiso H, Lorentzen ÅR, Harbo HF, Beyer MK (2022)
Enhancement of cranial nerves in Lyme neuroborreliosis: incidence and correlation with clinical symptoms and prognosis
Neuroradiology, 64 (12), 2323-2333
DOI 10.1007/s00234-022-02957-2, PubMed 35608630

Rise HH, Brune S, Chien C, Berge T, Bos SD, Andorrà M, Valdeolivas IP, Beyer MK, Sowa P, Scheel M, Brandt AU, Asseyer S, Blennow K, Pedersen ML, Zetterberg H, de Schotten MT, Cellerino M, Uccelli A, Paul F, Villoslada P, Harbo HF, Westlye LT, Høgestøl EA (2022)
Brain disconnectome mapping derived from white matter lesions and serum neurofilament light levels in multiple sclerosis: A longitudinal multicenter study
Neuroimage Clin, 35, 103099
DOI 10.1016/j.nicl.2022.103099, PubMed 35772194

Aamodt EB, Alnæs D, de Lange AG, Aam S, Schellhorn T, Saltvedt I, Beyer MK, Westlye LT (2022)
Longitudinal brain age prediction and cognitive function after stroke
Neurobiol Aging, 122, 55-64
DOI 10.1016/j.neurobiolaging.2022.10.007, PubMed 36502572

Aamodt EB, Lydersen S, Alnæs D, Schellhorn T, Saltvedt I, Beyer MK, Håberg A (2022)
Longitudinal Brain Changes After Stroke and the Association With Cognitive Decline
Front Neurol, 13, 856919
DOI 10.3389/fneur.2022.856919, PubMed 35720079

Publications 2021

Andreassen S, Lindland EMS, Solheim AM, Beyer MK, Ljøstad U, Mygland Å, Lorentzen ÅR, Reiso H, Harbo HF, Løhaugen GCC, Eikeland R (2021)
Cognitive function, fatigue and Fazekas score in patients with acute neuroborreliosis
Ticks Tick Borne Dis, 12 (3), 101678
DOI 10.1016/j.ttbdis.2021.101678, PubMed 33529985

Einstad MS, Saltvedt I, Lydersen S, Ursin MH, Munthe-Kaas R, Ihle-Hansen H, Knapskog AB, Askim T, Beyer MK, Næss H, Seljeseth YM, Ellekjær H, Thingstad P (2021)
Associations between post-stroke motor and cognitive function: a cross-sectional study
BMC Geriatr, 21 (1), 103
DOI 10.1186/s12877-021-02055-7, PubMed 33546620

Høgestøl EA, Ghezzo S, Nygaard GO, Espeseth T, Sowa P, Beyer MK, Harbo HF, Westlye LT, Hulst HE, Alnæs D (2021)
Functional connectivity in multiple sclerosis modelled as connectome stability: A 5-year follow-up study
Mult Scler, 28 (4), 532-540
DOI 10.1177/13524585211030212, PubMed 34259578

Ihle-Hansen H, Ihle-Hansen H, Fure B, Thommessen B, Helland GB, Øksengård AR, Beyer MK, Sandset EC, Wyller TB, Hagberg G (2021)
Carotid Atherosclerosis and Longitudinal Changes of MRI Visual Rating Measures in Stroke Survivors: A Seven-Year Follow-Up Study
J Stroke Cerebrovasc Dis, 30 (10), 106010
DOI 10.1016/j.jstrokecerebrovasdis.2021.106010, PubMed 34325275

Lauvsnes MB, Zetterberg H, Blennow K, Kvaløy JT, Tjensvoll AB, Maroni S, Beyer MK, Greve OJ, Kvivik I, Alves G, Gøransson LG, Harboe E, Hirohata S, Omdal R (2021)
Neurofilament light in plasma is a potential biomarker of central nervous system involvement in systemic lupus erythematosus
J Neurol, 269 (6), 3064-3074
DOI 10.1007/s00415-021-10893-z, PubMed 34800169

Schellhorn T, Zucknick M, Askim T, Munthe-Kaas R, Ihle-Hansen H, Seljeseth YM, Knapskog AB, Næss H, Ellekjær H, Thingstad P, Wyller TB, Saltvedt I, Beyer MK (2021)
Pre-stroke cognitive impairment is associated with vascular imaging pathology: a prospective observational study
BMC Geriatr, 21 (1), 362
DOI 10.1186/s12877-021-02327-2, PubMed 34126944

Schellhorn T, Aamodt EB, Lydersen S, Aam S, Wyller TB, Saltvedt I, Beyer MK (2021)
Clinically accessible neuroimaging predictors of post-stroke neurocognitive disorder: a prospective observational study
BMC Neurol, 21 (1), 89
DOI 10.1186/s12883-021-02117-8, PubMed 33632149

Aamodt EB, Schellhorn T, Stage E, Sanjay AB, Logan PE, Svaldi DO, Apostolova LG, Saltvedt I, Beyer MK (2021)
Predicting the Emergence of Major Neurocognitive Disorder Within Three Months After a Stroke
Front Aging Neurosci, 13, 705889
DOI 10.3389/fnagi.2021.705889, PubMed 34489676

Publications 2020

Alme KN, Knapskog AB, Næss H, Naik M, Beyer M, Ellekjaer H, English C, Hansen HI, Kummeneje CS, Munthe-Kaas R, Saltvedt I, Seljeseth Y, Tan X, Thingstad P, Askim T (2020)
Is long-bout sedentary behaviour associated with long-term glucose levels 3 months after acute ischaemic stroke? A prospective observational cohort study
BMJ Open, 10 (11), e037475
DOI 10.1136/bmjopen-2020-037475, PubMed 33243789

Brune S, Høgestøl EA, Cengija V, Berg-Hansen P, Sowa P, Nygaard GO, Harbo HF, Beyer MK (2020)
LesionQuant for Assessment of MRI in Multiple Sclerosis-A Promising Supplement to the Visual Scan Inspection
Front Neurol, 11, 546744
DOI 10.3389/fneur.2020.546744, PubMed 33362682

Elvsåshagen T, Bahrami S, van der Meer D, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Beyer MK, Blasi G, Borgwardt S, Boye B, Buitelaar J, Bøen E, Celius EG, Cervenka S, Conzelmann A, Coynel D, Di Carlo P, Djurovic S, Eisenacher S, Espeseth T, Fatouros-Bergman H, Flyckt L, Franke B et al. (2020)
The genetic architecture of human brainstem structures and their involvement in common brain disorders
Nat Commun, 11 (1), 4016
DOI 10.1038/s41467-020-17376-1, PubMed 32782260

Hagberg G, Ihle-Hansen H, Fure B, Thommessen B, Ihle-Hansen H, Øksengård AR, Beyer MK, Wyller TB, Müller EG, Pendlebury ST, Selnes P (2020)
No evidence for amyloid pathology as a key mediator of neurodegeneration post-stroke - a seven-year follow-up study
BMC Neurol, 20 (1), 174
DOI 10.1186/s12883-020-01753-w, PubMed 32384876

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2020)
Publisher Correction: Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 23 (2), 295
DOI 10.1038/s41593-019-0553-6, PubMed 31848485

Munthe-Kaas R, Aam S, Ihle-Hansen H, Lydersen S, Knapskog AB, Wyller TB, Fure B, Thingstad P, Askim T, Beyer MK, Næss H, Seljeseth YM, Ellekjær H, Pendlebury ST, Saltvedt I (2020)
Impact of different methods defining post-stroke neurocognitive disorder: The Nor-COAST study
Alzheimers Dement (N Y), 6 (1), e12000
DOI 10.1002/trc2.12000, PubMed 32211505

Tjensvoll AB, Lauvsnes MB, Zetterberg H, Kvaløy JT, Kvivik I, Maroni SS, Greve OJ, Beyer MK, Hirohata S, Putterman C, Alves G, Harboe E, Blennow K, Gøransson LG, Omdal R (2020)
Neurofilament light is a biomarker of brain involvement in lupus and primary Sjögren's syndrome
J Neurol, 268 (4), 1385-1394
DOI 10.1007/s00415-020-10290-y, PubMed 33128084

Publications 2019

Hagberg G, Fure B, Thommessen B, Ihle-Hansen H, Øksengård AR, Nygård S, Pendlebury ST, Beyer MK, Wyller TB, Ihle-Hansen H (2019)
Predictors for Favorable Cognitive Outcome Post-Stroke: A-Seven-Year Follow-Up Study
Dement Geriatr Cogn Disord, 48 (1-2), 45-55
DOI 10.1159/000501850, PubMed 31461703

Høgestøl EA, Kaufmann T, Nygaard GO, Beyer MK, Sowa P, Nordvik JE, Kolskår K, Richard G, Andreassen OA, Harbo HF, Westlye LT (2019)
Cross-Sectional and Longitudinal MRI Brain Scans Reveal Accelerated Brain Aging in Multiple Sclerosis
Front Neurol, 10, 450
DOI 10.3389/fneur.2019.00450, PubMed 31114541

Høgestøl EA, Nygaard GO, Alnæs D, Beyer MK, Westlye LT, Harbo HF (2019)
Symptoms of fatigue and depression is reflected in altered default mode network connectivity in multiple sclerosis
PLoS One, 14 (4), e0210375
DOI 10.1371/journal.pone.0210375, PubMed 30933977

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2019)
Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 22 (10), 1617-1623
DOI 10.1038/s41593-019-0471-7, PubMed 31551603

Publications 2018

Abildgaard A, Hopp E, Sakinis T, Roterud H, Bjørnerud A, Beyer M, Smith HJ (2018)
[Will radiologists be replaced by artificial intelligence?]
Tidsskr Nor Laegeforen, 138 (17)
DOI 10.4045/tidsskr.18.0587, PubMed 30378411

Abildgaard A, Roterud H, Beyer M, Hopp E, Bjornerud A, Smith HJ, Sakinis T (2018)
Will radiologists be replaced by artificial intelligence?
Tidsskr. Nor. Laegeforen., 138 (17), 1610-1612

Beyer MK, Dalaker TO, Greve OJ, Pignatiello SE, Agartz I (2018)
A population study of Norwegian psychiatric patients referred for clinical brain scanning
BJPsych Open, 4 (3), 149-156
DOI 10.1192/bjo.2018.16, PubMed 29922480

Lindland ES, Solheim AM, Andreassen S, Quist-Paulsen E, Eikeland R, Ljøstad U, Mygland Å, Elsais A, Nygaard GO, Lorentzen ÅR, Harbo HF, Beyer MK (2018)
Imaging in Lyme neuroborreliosis
Insights Imaging, 9 (5), 833-844
DOI 10.1007/s13244-018-0646-x, PubMed 30187265

Sowa P, Harbo HF, White NS, Celius EG, Bartsch H, Berg-Hansen P, Moen SM, Bjørnerud A, Westlye LT, Andreassen OA, Dale AM, Beyer MK (2018)
Restriction spectrum imaging of white matter and its relation to neurological disability in multiple sclerosis
Mult Scler, 25 (5), 687-698
DOI 10.1177/1352458518765671, PubMed 29542336

Thingstad P, Askim T, Beyer MK, Bråthen G, Ellekjær H, Ihle-Hansen H, Knapskog AB, Lydersen S, Munthe-Kaas R, Næss H, Pendlebury ST, Seljeseth YM, Saltvedt I (2018)
The Norwegian Cognitive impairment after stroke study (Nor-COAST): study protocol of a multicentre, prospective cohort study
BMC Neurol, 18 (1), 193
DOI 10.1186/s12883-018-1198-x, PubMed 30477436

Publications 2017

Brix MK, Ersland L, Hugdahl K, Dwyer GE, Grüner R, Noeske R, Beyer MK, Craven AR (2017)
Within- and between-session reproducibility of GABA measurements with MR spectroscopy
J Magn Reson Imaging, 46 (2), 421-430
DOI 10.1002/jmri.25588, PubMed 28205280

Brix MK, Westman E, Simmons A, Ringstad GA, Eide PK, Wagner-Larsen K, Page CM, Vitelli V, Beyer MK (2017)
The Evans' Index revisited: New cut-off levels for use in radiological assessment of ventricular enlargement in the elderly
Eur J Radiol, 95, 28-32
DOI 10.1016/j.ejrad.2017.07.013, PubMed 28987681

Hammonds SK, Lauvsnes MB, Dalen I, Beyer MK, Kurz KD, Greve OJ, Norheim KB, Omdal R (2017)
No structural cerebral MRI changes related to fatigue in patients with primary Sjögren's syndrome
Rheumatol Adv Pract, 1 (1), rkx007
DOI 10.1093/rap/rkx007, PubMed 31431945

Lebedeva AK, Westman E, Borza T, Beyer MK, Engedal K, Aarsland D, Selbaek G, Haberg AK (2017)
MRI-Based Classification Models in Prediction of Mild Cognitive Impairment and Dementia in Late-Life Depression
Front Aging Neurosci, 9, 13
DOI 10.3389/fnagi.2017.00013, PubMed 28210220

Oppedal K, Engan K, Eftestol T, Beyer M, Aarsland D (2017)
Classifying Alzheimer's disease, Lewy body dementia, and normal controls using 3D texture analysis in magnetic resonance images
Biomed. Signal Process. Control, 33, 19-29
DOI 10.1016/j.bspc.2016.10.007

Sowa P, Nygaard GO, Bjørnerud A, Celius EG, Harbo HF, Beyer MK (2017)
Magnetic resonance imaging perfusion is associated with disease severity and activity in multiple sclerosis
Neuroradiology, 59 (7), 655-664
DOI 10.1007/s00234-017-1849-4, PubMed 28585082

Publications 2016

Keshavan A, Paul F, Beyer MK, Zhu AH, Papinutto N, Shinohara RT, Stern W, Amann M, Bakshi R, Bischof A, Carriero A, Comabella M, Crane JC, D'Alfonso S, Demaerel P, Dubois B, Filippi M, Fleischer V, Fontaine B, Gaetano L, Goris A, Graetz C, Gröger A, Groppa S, Hafler DA et al. (2016)
Power estimation for non-standardized multisite studies
Neuroimage, 134, 281-294
DOI 10.1016/j.neuroimage.2016.03.051, PubMed 27039700

Moen SM, Harbo HF, Celius EG, Sowa P, Nygaard GO, Beyer MK (2016)
[Not Available]
Tidsskr Nor Laegeforen, 136 (19), 1608
DOI 10.4045/tidsskr.16.0826, PubMed 27790879

Moen SM, Harbo HF, Celius EG, Sowa P, Nygaard GO, Beyer MK (2016)
[Not Available]
Tidsskr Nor Laegeforen, 136 (20), 1702
DOI 10.4045/tidsskr.16.0865, PubMed 27830899

Moen SM, Harbo HF, Sowa P, Celius EG, Nygaard GO, Beyer MK (2016)
[MRI in multiple sclerosis]
Tidsskr Nor Laegeforen, 136 (16), 1373-6
DOI 10.4045/tidsskr.15.1361, PubMed 27637059

Moen SM, Harbo HF, Sowa P, Celius EG, Nygaard GO, Beyer MK (2016)
MRI- investigations in multiple sclerosis
Tidsskr. Nor. Laegeforen., 136 (16), 1373-1376

Persson K, Selbæk G, Brækhus A, Beyer M, Barca M, Engedal K (2016)
Fully automated structural MRI of the brain in clinical dementia workup
Acta Radiol, 58 (6), 740-747
DOI 10.1177/0284185116669874, PubMed 27687251

Publications 2015

Brix MK, Ersland L, Hugdahl K, Grüner R, Posserud MB, Hammar Å, Craven AR, Noeske R, Evans CJ, Walker HB, Midtvedt T, Beyer MK (2015)
"Brain MR spectroscopy in autism spectrum disorder-the GABA excitatory/inhibitory imbalance theory revisited"
Front Hum Neurosci, 9, 365
DOI 10.3389/fnhum.2015.00365, PubMed 26157380

Lauvsnes MB, Greve OJ, Kvivik I, Harboe E, Tjensvoll AB, Beyer MK, Kvaløy JT, Gøransson LG, Appenzeller S, Omdal R (2015)
Reply: To PMID 25156222
Arthritis Rheumatol, 67 (6), 1683-4
DOI 10.1002/art.39076, PubMed 25779776

Lebedeva A, Borza T, Håberg AK, Idland AV, Dalaker TO, Aarsland D, Selbaek G, Beyer MK (2015)
Neuroanatomical correlates of late-life depression and associated cognitive changes
Neurobiol Aging, 36 (11), 3090-3099
DOI 10.1016/j.neurobiolaging.2015.04.020, PubMed 26277679

Oppedal K, Eftestøl T, Engan K, Beyer MK, Aarsland D (2015)
Classifying dementia using local binary patterns from different regions in magnetic resonance images
Int J Biomed Imaging, 2015, 572567
DOI 10.1155/2015/572567, PubMed 25873943

Sowa P, Bjørnerud A, Nygaard GO, Damangir S, Spulber G, Celius EG, Due-Tønnessen P, Harbo HF, Beyer MK (2015)
Reduced perfusion in white matter lesions in multiple sclerosis
Eur J Radiol, 84 (12), 2605-12
DOI 10.1016/j.ejrad.2015.09.007, PubMed 26391230

Publications 2014

Jusufovic M, Konglund AE, Beyer MK, Dietrichs E, Skjelland M (2014)
Deep brain stimulation in essential tremor
Tidsskr Nor Laegeforen, 134 (18), 1757
DOI 10.4045/tidsskr.14.0376, PubMed 25273249

Lauvsnes MB, Beyer MK, Kvaløy JT, Greve OJ, Appenzeller S, Kvivik I, Harboe E, Tjensvoll AB, Gøransson LG, Omdal R (2014)
Association of hippocampal atrophy with cerebrospinal fluid antibodies against the NR2 subtype of the N-methyl-D-aspartate receptor in patients with systemic lupus erythematosus and patients with primary Sjögren's syndrome
Arthritis Rheumatol, 66 (12), 3387-94
DOI 10.1002/art.38852, PubMed 25156222

Nygaard GO, Walhovd KB, Sowa P, Chepkoech JL, Bjørnerud A, Due-Tønnessen P, Landrø NI, Damangir S, Spulber G, Storsve AB, Beyer MK, Fjell AM, Celius EG, Harbo HF (2014)
Cortical thickness and surface area relate to specific symptoms in early relapsing-remitting multiple sclerosis
Mult Scler, 21 (4), 402-14
DOI 10.1177/1352458514543811, PubMed 25139946

Publications 2013

Beyer MK, Alves G, Hwang KS, Babakchanian S, Bronnick KS, Chou YY, Dalaker TO, Kurz MW, Larsen JP, Somme JH, Thompson PM, Tysnes OB, Apostolova LG (2013)
Cerebrospinal fluid Aβ levels correlate with structural brain changes in Parkinson's disease
Mov Disord, 28 (3), 302-10
DOI 10.1002/mds.25282, PubMed 23408705

Hwang KS, Beyer MK, Green AE, Chung C, Thompson PM, Janvin C, Larsen JP, Aarsland D, Apostolova LG (2013)
Mapping cortical atrophy in Parkinson's disease patients with dementia
J Parkinsons Dis, 3 (1), 69-76
DOI 10.3233/JPD-120151, PubMed 23938313

Lauvsnes MB, Maroni SS, Appenzeller S, Beyer MK, Greve OJ, Kvaløy JT, Harboe E, Gøransson LG, Tjensvoll AB, Omdal R (2013)
Memory dysfunction in primary Sjögren's syndrome is associated with anti-NR2 antibodies
Arthritis Rheum, 65 (12), 3209-17
DOI 10.1002/art.38127, PubMed 23982950

Lebedev AV, Beyer MK, Fritze F, Westman E, Ballard C, Aarsland D (2013)
Cortical changes associated with depression and antidepressant use in Alzheimer and Lewy body dementia: an MRI surface-based morphometric study
Am J Geriatr Psychiatry, 22 (1), 4-13.e1
DOI 10.1016/j.jagp.2013.02.004, PubMed 23880336

Siepel FJ, Rongve A, Buter TC, Beyer MK, Ballard CG, Booij J, Aarsland D (2013)
(123I)FP-CIT SPECT in suspected dementia with Lewy bodies: a longitudinal case study
BMJ Open, 3 (4)
DOI 10.1136/bmjopen-2013-002642, PubMed 23572198

Publications 2012

Alves G, Pedersen KF, Bloem BR, Blennow K, Zetterberg H, Borm GF, Dalaker TO, Beyer MK, Aarsland D, Andreasson U, Lange J, Tysnes OB, Zivadinov R, Larsen JP (2012)
Cerebrospinal fluid amyloid-β and phenotypic heterogeneity in de novo Parkinson's disease
J Neurol Neurosurg Psychiatry, 84 (5), 537-43
DOI 10.1136/jnnp-2012-303808, PubMed 23117496

Beyer MK, Bronnick KS, Hwang KS, Bergsland N, Tysnes OB, Larsen JP, Thompson PM, Somme JH, Apostolova LG (2012)
Verbal memory is associated with structural hippocampal changes in newly diagnosed Parkinson's disease
J Neurol Neurosurg Psychiatry, 84 (1), 23-8
DOI 10.1136/jnnp-2012-303054, PubMed 23154124

Chow N, Aarsland D, Honarpisheh H, Beyer MK, Somme JH, Elashoff D, Rongve A, Tysnes OB, Thompson PM, Apostolova LG (2012)
Comparing hippocampal atrophy in Alzheimer's dementia and dementia with lewy bodies
Dement Geriatr Cogn Disord, 34 (1), 44-50
DOI 10.1159/000339727, PubMed 22922563

Damangir S, Manzouri A, Oppedal K, Carlsson S, Firbank MJ, Sonnesyn H, Tysnes OB, O'Brien JT, Beyer MK, Westman E, Aarsland D, Wahlund LO, Spulber G (2012)
Multispectral MRI segmentation of age related white matter changes using a cascade of support vector machines
J Neurol Sci, 322 (1-2), 211-6
DOI 10.1016/j.jns.2012.07.064, PubMed 22921728

Hugdahl K, Beyer MK, Brix M, Ersland L (2012)
Autism spectrum disorder, functional MRI and MR spectroscopy: possibilities and challenges
Microb Ecol Health Dis, 23
DOI 10.3402/mehd.v23i0.18960, PubMed 23990828

Soennesyn H, Nilsen DW, Oppedal K, Greve OJ, Beyer MK, Aarsland D (2012)
Relationship between orthostatic hypotension and white matter hyperintensity load in older patients with mild dementia
PLoS One, 7 (12), e52196
DOI 10.1371/journal.pone.0052196, PubMed 23284932

Soennesyn H, Oppedal K, Greve OJ, Fritze F, Auestad BH, Nore SP, Beyer MK, Aarsland D (2012)
White matter hyperintensities and the course of depressive symptoms in elderly people with mild dementia
Dement Geriatr Cogn Dis Extra, 2 (1), 97-111
DOI 10.1159/000335497, PubMed 22590471

Publications 2011

Apostolova L, Alves G, Hwang KS, Babakchanian S, Bronnick KS, Larsen JP, Thompson PM, Chou YY, Tysnes OB, Vefring HK, Beyer MK (2011)
Hippocampal and ventricular changes in Parkinson's disease mild cognitive impairment
Neurobiol Aging, 33 (9), 2113-24
DOI 10.1016/j.neurobiolaging.2011.06.014, PubMed 21813212

Publications 2010

Apostolova LG, Beyer M, Green AE, Hwang KS, Morra JH, Chou YY, Avedissian C, Aarsland D, Janvin CC, Larsen JP, Cummings JL, Thompson PM (2010)
Hippocampal, caudate, and ventricular changes in Parkinson's disease with and without dementia
Mov Disord, 25 (6), 687-95
DOI 10.1002/mds.22799, PubMed 20437538

Dalaker TO, Zivadinov R, Larsen JP, Beyer MK, Cox JL, Alves G, Bronnick K, Tysnes OB, Antulov R, Dwyer MG, Aarsland D (2010)
Gray matter correlations of cognition in incident Parkinson's disease
Mov Disord, 25 (5), 629-33
DOI 10.1002/mds.22867, PubMed 20213820

Dalaker TO, Zivadinov R, Ramasamy DP, Beyer MK, Alves G, Bronnick KS, Tysnes OB, Aarsland D, Larsen JP (2010)
Ventricular enlargement and mild cognitive impairment in early Parkinson's disease
Mov Disord, 26 (2), 297-301
DOI 10.1002/mds.23443, PubMed 21412836

Tjensvoll AB, Harboe E, Gøransson LG, Beyer MK, Greve OJ, Herigstad A, Kvaløy JT, Omdal R (2010)
Migraine is frequent in patients with systemic lupus erythematosus: a case-control study
Cephalalgia, 31 (4), 401-8
DOI 10.1177/0333102410372428, PubMed 20974597

Publications 2009

Dalaker TO, Larsen JP, Bergsland N, Beyer MK, Alves G, Dwyer MG, Tysnes OB, Benedict RH, Kelemen A, Bronnick K, Zivadinov R (2009)
Brain atrophy and white matter hyperintensities in early Parkinson's disease(a)
Mov Disord, 24 (15), 2233-41
DOI 10.1002/mds.22754, PubMed 19768730

Dalaker TO, Larsen JP, Dwyer MG, Aarsland D, Beyer MK, Alves G, Bronnick K, Tysnes OB, Zivadinov R (2009)
White matter hyperintensities do not impact cognitive function in patients with newly diagnosed Parkinson's disease
Neuroimage, 47 (4), 2083-9
DOI 10.1016/j.neuroimage.2009.06.020, PubMed 19539037

Di Perri C, Dalaker TO, Beyer MK, Zivadinov R (2009)
Neuroimaging of cognitive impairments in vascular disease
Int Rev Neurobiol, 84, 49-80
DOI 10.1016/S0074-7742(09)00404-8, PubMed 19501713

Publications 2008

Aarsland D, Beyer MK, Kurz MW (2008)
Dementia in Parkinson's disease
Curr Opin Neurol, 21 (6), 676-82
DOI 10.1097/WCO.0b013e3283168df0, PubMed 18989112

Aarsland D, Kurz M, Beyer M, Bronnick K, Piepenstock Nore S, Ballard C (2008)
Early discriminatory diagnosis of dementia with Lewy bodies. The emerging role of CSF and imaging biomarkers
Dement Geriatr Cogn Disord, 25 (3), 195-205
DOI 10.1159/000113417, PubMed 18204253

Publications 2007

Beyer MK, Larsen JP, Aarsland D (2007)
Gray matter atrophy in Parkinson disease with dementia and dementia with Lewy bodies
Neurology, 69 (8), 747-54
DOI 10.1212/01.wnl.0000269666.62598.1c, PubMed 17709706

Publications 2006

Beyer MK, Janvin CC, Larsen JP, Aarsland D (2006)
A magnetic resonance imaging study of patients with Parkinson's disease with mild cognitive impairment and dementia using voxel-based morphometry
J Neurol Neurosurg Psychiatry, 78 (3), 254-9
DOI 10.1136/jnnp.2006.093849, PubMed 17028119

Beyer MK, Aarsland D, Greve OJ, Larsen JP (2006)
Visual rating of white matter hyperintensities in Parkinson's disease
Mov Disord, 21 (2), 223-9
DOI 10.1002/mds.20704, PubMed 16161159

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