Publications by authors named "Thordur Sigmundsson"

21Publications

Structural MRI correlates of apathy symptoms in older persons without dementia: AGES-Reykjavik Study.

Neurology 2014 May 16;82(18):1628-35. Epub 2014 Apr 16.

From the Julius Center for Health Sciences and Primary Care (A.M.G., M.I.G.) and Department of Radiology (A.M.G.), University Medical Center Utrecht, the Netherlands; National Institute on Aging (M.I.G., M.E.G., T.B.H., L.J.L.), Laboratory for Epidemiology, Demography, and Biometry, Bethesda, MD; Icelandic Heart Association (S.S., G.E., P.V.J., K.S., V.G.), Kopavogur; Janus Rehabilitation (K.S.), Vorduskola v/Egilsgotu, Reykjavik; Landspitali University Hospital (T.S.), Reykjavik; and University of Iceland (V.G.), Reykjavik, Iceland.

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http://www.neurology.org/content/82/18/1628.full.pdf
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http://www.neurology.org/cgi/doi/10.1212/WNL.000000000000037
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http://dx.doi.org/10.1212/WNL.0000000000000378DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4013817PMC
May 2014

Tower of London versus real life analogue planning in schizophrenia with disorganization and psychomotor poverty symptoms.

J Int Neuropsychol Soc 2011 May;17(3):474-84

1Department of Psychology, Kings College London, Institute of Psychiatry, London, United Kingdom.

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http://dx.doi.org/10.1017/S135561771100018XDOI Listing
May 2011

COMT val(158)met genotype and smooth pursuit eye movements in schizophrenia.

Psychiatry Res 2009 Sep 31;169(2):173-5. Epub 2009 Jul 31.

Division of Psychiatry, Landspitali-University Hospital, Reykjavik, Iceland.

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http://dx.doi.org/10.1016/j.psychres.2008.10.003DOI Listing
September 2009

Neuregulin-1 genotypes and eye movements in schizophrenia.

Eur Arch Psychiatry Clin Neurosci 2010 Feb 3;260(1):77-85. Epub 2009 Jul 3.

Division of Psychiatry, Landspitali University Hospital, Hringbraut, 101, Reykjavik, Iceland.

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http://dx.doi.org/10.1007/s00406-009-0032-2DOI Listing
February 2010

Common variants conferring risk of schizophrenia.

Nature 2009 Aug 1;460(7256):744-7. Epub 2009 Jul 1.

deCODE genetics, Sturlugata 8, IS-101 Reykjavik, Iceland.

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http://dx.doi.org/10.1038/nature08186DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3077530PMC
August 2009

Correlates of PLMs variability over multiple nights and impact upon RLS diagnosis.

Sleep Med 2009 Jun 20;10(6):668-71. Epub 2008 Nov 20.

Department of Neurology and Program in Sleep, Emory University, 101 Woodruff Circle-WMRB, Suite 6000, Atlanta, GA 30322, USA.

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http://dx.doi.org/10.1016/j.sleep.2008.06.009DOI Listing
June 2009

Ziprasidone versus olanzapine, risperidone or quetiapine in patients with chronic schizophrenia: a 12-week open-label, multicentre clinical trial.

World J Biol Psychiatry 2009 ;10(4 Pt 3):710-8

Psychiatric University Center Glostrup, University of Copenhagen, Glostrup, Denmark.

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http://dx.doi.org/10.1080/15622970802269589DOI Listing
March 2010

Executive functioning in schizophrenia and the relationship with symptom profile and chronicity.

J Int Neuropsychol Soc 2008 Sep;14(5):782-92

Department of Psychology, Institute of Psychiatry, London, United Kingdom.

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http://dx.doi.org/10.1017/S1355617708081198DOI Listing
September 2008

Large recurrent microdeletions associated with schizophrenia.

Nature 2008 Sep;455(7210):232-6

CNS Division, deCODE genetics, Sturlugata 8, IS-101 Reykjavík, Iceland.

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http://dx.doi.org/10.1038/nature07229DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687075PMC
September 2008

Catechol-O-methyltransferase Val 158 Met polymorphism and antisaccade eye movements in schizophrenia.

Schizophr Bull 2010 Jan 17;36(1):157-64. Epub 2008 Jun 17.

Division of Psychiatry, Landspitali University Hospital, Hringbraut, 101 Reykjavik, Iceland.

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http://dx.doi.org/10.1093/schbul/sbn064DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2800134PMC
January 2010

Eye movement deficits in schizophrenia: investigation of a genetically homogenous Icelandic sample.

Eur Arch Psychiatry Clin Neurosci 2008 Sep 24;258(6):373-83. Epub 2008 Apr 24.

Landspitali-University Hospital, Hringbraut, 101, Reykjavik, Iceland.

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http://dx.doi.org/10.1007/s00406-008-0806-yDOI Listing
September 2008

Distribution of symptom dimensions across Kraepelinian divisions.

Br J Psychiatry 2006 Oct;189:346-53

Institute of Psychiatry, SGDP Building, De Crespigny Park, Denmark Hill, London SE5 8AF, UK.

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http://dx.doi.org/10.1192/bjp.bp.105.017251DOI Listing
October 2006

Frontal lobe N-acetylaspartate correlates with psychopathology in schizophrenia: a proton magnetic resonance spectroscopy study.

Schizophr Res 2003 Nov;64(1):63-71

Department of Psychological Medicine, Institute of Psychiatry, King's College, De Crespigny Park, London SE5 8AF, UK.

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http://dx.doi.org/10.1016/s0920-9964(02)00533-9DOI Listing
November 2003

Brain volumes in familial and non-familial schizophrenic probands and their unaffected relatives.

Am J Med Genet 2002 Aug;114(6):616-25

Division of Psychological Medicine, Institute of Psychiatry, de Crespigny Park, London, United Kingdom.

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http://dx.doi.org/10.1002/ajmg.10604DOI Listing
August 2002