Andrés Server Alonso
Position: Group leader, MD, PhD
Phone: +47 472 84 546
Email:
 

Publications 2017

Hellstrøm T, Westlye LT, Sigurdardottir S, Brunborg C, Soberg HL, Holthe Ø, Server A, Lund MJ, Andreassen OA, Andelic N (2017)
Longitudinal changes in brain morphology from 4 weeks to 12 months after mild traumatic brain injury: Associations with cognitive functions and clinical variables
Brain Inj, 31 (5), 674-685
PubMed 28414250

Server A, Bargalló N, Fløisand Y, Sponheim J, Graus F, Hald JK (2017)
Imaging spectrum of central nervous system complications of hematopoietic stem cell and solid organ transplantation
Neuroradiology, 59 (2), 105-126
PubMed 28255902

Publications 2016

Hellstrøm T, Westlye LT, Server A, Løvstad M, Brunborg C, Lund MJ, Nordhøy W, Andreassen OA, Andelic N (2016)
Volumetric and morphometric MRI findings in patients with mild traumatic brain injury
Brain Inj, 30 (13-14), 1683-1691
PubMed 27996331

Skogen K, Schulz A, Dormagen JB, Ganeshan B, Helseth E, Server A (2016)
Diagnostic performance of texture analysis on MRI in grading cerebral gliomas
Eur J Radiol, 85 (4), 824-9
PubMed 26971430

Publications 2015

Bolstad I, Andreassen OA, Groote I, Server A, Sjaastad I, Kapur S, Jensen J (2015)
Effects of haloperidol and aripiprazole on the human mesolimbic motivational system: A pharmacological fMRI study
Eur Neuropsychopharmacol, 25 (12), 2252-61
PubMed 26476705

Bolstad I, Andreassen OA, Groote IR, Haatveit B, Server A, Jensen J (2015)
No difference in frontal cortical activity during an executive functioning task after acute doses of aripiprazole and haloperidol
Front Hum Neurosci, 9, 296
PubMed 26074803

Reckless GE, Andreassen OA, Server A, Østefjells T, Jensen J (2015)
Negative symptoms in schizophrenia are associated with aberrant striato-cortical connectivity in a rewarded perceptual decision-making task
Neuroimage Clin, 8, 290-7
PubMed 26106553

Skranes JH, Cowan FM, Stiris T, Fugelseth D, Thoresen M, Server A (2015)
Brain imaging in cooled encephalopathic neonates does not differ between four and 11 days after birth
Acta Paediatr, 104 (8), 752-8
PubMed 25824694

Publications 2014

Brandt CL, Eichele T, Melle I, Sundet K, Server A, Agartz I, Hugdahl K, Jensen J, Andreassen OA (2014)
Working memory networks and activation patterns in schizophrenia and bipolar disorder: comparison with healthy controls
Br J Psychiatry, 204, 290-8
PubMed 24434074

Odland A, Server A, Saxhaug C, Breivik B, Groote R, Vardal J, Larsson C, Bjørnerud A (2014)
Volumetric glioma quantification: comparison of manual and semi-automatic tumor segmentation for the quantification of tumor growth
Acta Radiol, 56 (11), 1396-403
PubMed 25338837

Ousdal OT, Andreassen OA, Server A, Jensen J (2014)
Increased amygdala and visual cortex activity and functional connectivity towards stimulus novelty is associated with state anxiety
PLoS One, 9 (4), e96146
PubMed 24755617

Ousdal OT, Specht K, Server A, Andreassen OA, Dolan RJ, Jensen J (2014)
The human amygdala encodes value and space during decision making
Neuroimage, 101, 712-9
PubMed 25094017

Reckless GE, Ousdal OT, Server A, Walter H, Andreassen OA, Jensen J (2014)
The left inferior frontal gyrus is involved in adjusting response bias during a perceptual decision-making task
Brain Behav, 4 (3), 398-407
PubMed 24944869

Server A, Graff BA, Josefsen R, Orheim TE, Schellhorn T, Nordhøy W, Nakstad PH (2014)
Analysis of diffusion tensor imaging metrics for gliomas grading at 3 T
Eur J Radiol, 83 (3), e156-65
PubMed 24457139

Publications 2013

Bolstad I, Andreassen OA, Reckless GE, Sigvartsen NP, Server A, Jensen J (2013)
Aversive event anticipation affects connectivity between the ventral striatum and the orbitofrontal cortex in an fMRI avoidance task
PLoS One, 8 (6), e68494
PubMed 23826392

Thoresen C, Endestad T, Sigvartsen NP, Server A, Bolstad I, Johansson M, Andreassen OA, Jensen J (2013)
Frontotemporal hypoactivity during a reality monitoring paradigm is associated with delusions in patients with schizophrenia spectrum disorders
Cogn Neuropsychiatry, 19 (2), 97-115
PubMed 23756081

Welander-Vatn A, Jensen J, Otnaess MK, Agartz I, Server A, Melle I, Andreassen OA (2013)
The neural correlates of cognitive control in bipolar I disorder: an fMRI study of medial frontal cortex activation during a Go/No-go task
Neurosci Lett, 549, 51-6
PubMed 23778236

Publications 2012

Brown AA, Jensen J, Nikolova YS, Djurovic S, Agartz I, Server A, Ferrell RE, Manuck SB, Mattingsdal M, Melle I, Hariri AR, Frigessi A, Andreassen OA (2012)
Genetic variants affecting the neural processing of human facial expressions: evidence using a genome-wide functional imaging approach
Transl Psychiatry, 2, e143
PubMed 22828495

Mattingsdal M, Brown AA, Djurovic S, Sønderby IE, Server A, Melle I, Agartz I, Hovig E, Jensen J, Andreassen OA (2012)
Pathway analysis of genetic markers associated with a functional MRI faces paradigm implicates polymorphisms in calcium responsive pathways
Neuroimage, 70, 143-9
PubMed 23274185

Ousdal OT, Reckless GE, Server A, Andreassen OA, Jensen J (2012)
Effect of relevance on amygdala activation and association with the ventral striatum
Neuroimage, 62 (1), 95-101
PubMed 22546319

Rimol LM, Nesvåg R, Hagler DJ, Bergmann O, Fennema-Notestine C, Hartberg CB, Haukvik UK, Lange E, Pung CJ, Server A, Melle I, Andreassen OA, Agartz I, Dale AM (2012)
Cortical volume, surface area, and thickness in schizophrenia and bipolar disorder
Biol Psychiatry, 71 (6), 552-60
PubMed 22281121

Publications 2011

Thoresen C, Jensen J, Sigvartsen NP, Bolstad I, Server A, Nakstad PH, Andreassen OA, Endestad T (2011)
Arousal Modulates Activity in the Medial Temporal Lobe during a Short-Term Relational Memory Task
Front Hum Neurosci, 5, 177
PubMed 22291626

Publications 2010

Dullerud R, Gjertsen O, Server A (2010)
Magnetic resonance imaging of ligaments and membranes in the craniocervical junction in whiplash-associated injury and in healthy control subjects
Acta Radiol, 51 (2), 207-12
PubMed 19912072

Server A (2010)
Response to a letter by Paul E. Sijens
Acta Radiol, 51 (3), 329-33
PubMed 20201638

Server A, Graff BA, Orheim TE, Schellhorn T, Josefsen R, Gadmar ØB, Nakstad PH (2010)
Measurements of diagnostic examination performance and correlation analysis using microvascular leakage, cerebral blood volume, and blood flow derived from 3T dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in glial tumor grading
Neuroradiology, 53 (6), 435-47
PubMed 20857284

Server A, Josefsen R, Kulle B, Maehlen J, Schellhorn T, Gadmar Ø, Kumar T, Haakonsen M, Langberg CW, Nakstad PH (2010)
Proton magnetic resonance spectroscopy in the distinction of high-grade cerebral gliomas from single metastatic brain tumors
Acta Radiol, 51 (3), 316-25
PubMed 20092374

Server A, Kulle B, Gadmar ØB, Josefsen R, Kumar T, Nakstad PH (2010)
Measurements of diagnostic examination performance using quantitative apparent diffusion coefficient and proton MR spectroscopic imaging in the preoperative evaluation of tumor grade in cerebral gliomas
Eur J Radiol, 80 (2), 462-70
PubMed 20708868

Server A, Orheim TE, Graff BA, Josefsen R, Kumar T, Nakstad PH (2010)
Diagnostic examination performance by using microvascular leakage, cerebral blood volume, and blood flow derived from 3-T dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in the differentiation of glioblastoma multiforme and brain metastasis
Neuroradiology, 53 (5), 319-30
PubMed 20625709

Publications 2009

Lloret I, Server A, Taksdal I (2009)
Calvarial lesions: a radiological approach to diagnosis
Acta Radiol, 50 (5), 531-42
PubMed 19353343

Server A, Kulle B, Maehlen J, Josefsen R, Schellhorn T, Kumar T, Langberg CW, Nakstad PH (2009)
Quantitative apparent diffusion coefficients in the characterization of brain tumors and associated peritumoral edema
Acta Radiol, 50 (6), 682-9
PubMed 19449234

Welander-Vatn AS, Jensen J, Lycke C, Agartz I, Server A, Gadmar ØB, Melle I, Nakstad PH, Andreassen OA (2009)
No altered dorsal anterior cingulate activation in bipolar II disorder patients during a Go/No-go task: an fMRI study
Bipolar Disord, 11 (3), 270-9
PubMed 19419384

Publications 2008

Erichsen AK, Server A, Landrø NI, Sandvik L, Tallaksen CM (2008)
Proton magnetic resonance spectroscopy and cognition in patients with spastin mutations
J Neurol Sci, 277 (1-2), 124-9
PubMed 19084842

Gilfillan GD, Selmer KK, Roxrud I, Smith R, Kyllerman M, Eiklid K, Kroken M, Mattingsdal M, Egeland T, Stenmark H, Sjøholm H, Server A, Samuelsson L, Christianson A, Tarpey P, Whibley A, Stratton MR, Futreal PA, Teague J, Edkins S, Gecz J, Turner G, Raymond FL, Schwartz C, Stevenson RE et al. (2008)
SLC9A6 mutations cause X-linked mental retardation, microcephaly, epilepsy, and ataxia, a phenotype mimicking Angelman syndrome
Am J Hum Genet, 82 (4), 1003-10
PubMed 18342287

Ousdal OT, Jensen J, Server A, Hariri AR, Nakstad PH, Andreassen OA (2008)
The human amygdala is involved in general behavioral relevance detection: evidence from an event-related functional magnetic resonance imaging Go-NoGo task
Neuroscience, 156 (3), 450-5
PubMed 18775476

Publications 2006

Kanavin ØJ, Haakonsen M, Server A, Bajwa TJ, van der Knaap MS, Strømme P (2006)
Microphthalmia and brain atrophy: a novel neurodegenerative disease
Ann Neurol, 59 (4), 719-23
PubMed 16566018

Lloret I, Server A, Bjerkehagen B (2006)
Primary spinal chondrosarcoma: radiologic findings with pathologic correlation
Acta Radiol, 47 (1), 77-84
PubMed 16498937

Publications 2005

Nakken KO, Eriksson AS, Kostov H, Lossius R, Haakonsen M, Server A, Røste GK (2005)
[Epilepsia partialis continua (Kojevnikov's syndrome)]
Tidsskr Nor Laegeforen, 125 (6), 746-9
PubMed 15776070

Nakken KO, Server A, Kostov H, Haakonsen M (2005)
A patient with a 44-year history of epilepsia partialis continua caused by a perirolandic cortical dysplasia
Epilepsy Behav, 6 (1), 94-7
PubMed 15652740

Publications 2004

Matlary A, Prescott T, Tvedt B, Lindberg K, Server A, Aicardi J, Strømme P (2004)
Aicardi syndrome in a girl with mild developmental delay, absence of epilepsy and normal EEG
Clin Dysmorphol, 13 (4), 257-60
PubMed 15365465

Nakstad PH, Server A, Josefsen R (2004)
Traumatic cervical injuries in ankylosing spondylitis
Acta Radiol, 45 (2), 222-6
PubMed 15191110

Publications 2003

Dullerud R, Server A, Berg-Johnsen J (2003)
MR imaging of ventriculus terminalis of the conus medullaris. A report of two operated patients and a review of the literature
Acta Radiol, 44 (4), 444-6
PubMed 12846697

Server A, Hovda KE, Nakstad PH, Jacobsen D, Dullerud R, Haakonsen M (2003)
Conventional and diffusion-weighted MRI in the evaluation of methanol poisoning
Acta Radiol, 44 (6), 691-5
PubMed 14616218

Publications 2002

Server A, Tollesson G, Solgaard T, Haakonsen M, Johnsen UL (2002)
Vertex epidural hematoma - neuroradiological findings and management
Acta Radiol, 43 (5), 483-5
PubMed 12423458

Publications 2001

Server A, Dullerud R, Haakonsen M, Nakstad PH, Johnsen UL, Magnaes B (2001)
Post-traumatic cerebral infarction. Neuroimaging findings, etiology and outcome
Acta Radiol, 42 (3), 254-60
PubMed 11350282