Source: http://myschool.ru.is/myschool2/public/default.aspx?Page=Emp&Dept=0&Alph=&Pos=&View=0&Lang=1&ID=mariakj
Timestamp: 2019-04-26 11:53:13+00:00

Document:
1991-2013 Lecturer, Dept. of Psychology, University of Iceland.
2001- Clinical supervision: Clinical supervision of clinical psychology students in a hospital setting.
1996 - Forensic work in personal compensation and criminal cases: neuropsychological assessment, expert witness, lay judge, assessing competency to stand trial.
1991-2004 Clinical neuropsychologist, Landspítali, Depts. of Neurology/Rehabiliation and Geriatrics. Consulting neuropsychologist: E.g., Cardiology, Oncology and Pediatrics.
MCI (mild cognitive impairment) study at the Landspítali Memory Clinic.
Icelandic standardization of the Addenbrooke Cognitive Examination Test for iPad. Collaborators: Brynhildur Jónsdóttir, Landspítali Memory Clinic, Una Sólveig Jóakimsdóttir and María Guðnadóttir.
Concussion among Icelandic athletes (incidence, hormonal imbalance, psychological sequelae). Ph.D. student: Ingunn Kristensen (on leave). Collaborators: Hafrún Kristjánsdóttir, RU and Helga Ágústa Sigurjónsdóttir, Landspítali and University of Iceland.
Psychological aging (cognitive and brain aging). Ph.D. student: Vaka Valsdóttir. Collaborators: Milan Chang, RU and RHLÖ and Brynja Björk Magnúsdóttir, RU and Landspítali.
The Age, Gene/Environment Susceptibility - Reykjavik Study). An epidemiological study on aging conducted by the Icelandic Heart Association and NIA.
Sigurdsson, S., Aspelund, T., Kjartansson, Gudmundsson, E., Jonsdottir, M., Eiríksdóttir, E., … Launer, L. (2017). Incidence of brain infarcts, cognitive change and risk of dementia in the general population: The AGES -Reykjavik Study. Stroke, manuscript number: STROKE/2017/017357R1.
Ibrahim-Verbaas CA, Bressler J, Debette S, Schuur M, Smith AV, Bis JC, Davies G, Trompet S, Smith JA, Wolf C, Chibnik LB, Liu Y, Vitart V, Kirin M, Petrovic K, Polasek O, Zgaga L, Fawns-Ritchie C, Hoffmann P, Karjalainen J, Lahti J, Llewellyn DJ, Schmidt CO, Mather KA, Chouraki V, Sun Q, Resnick SM, Rose LM, Oldmeadow C, Stewart M, Smith BH, Gudnason V, Yang Q, Mirza SS, Jukema JW, deJager PL, Harris TB, Liewald DC, Amin N, Coker LH, Stegle O, Lopez OL, Schmidt R, Teumer A, Ford I, Karbalai N, Becker JT, Jonsdottir MK, et al. (2016). GWAS for executive function and processing speed suggests involvement of the CADM2 gene. Molecular Psychiatry, 21(2), 189-97.
Aarts, S, Patel, KV., Garcia, M.E., Vand den Akker, M., Verhey, F.R., Metsemakers, J. F., Van Boxtel, M.P., Gudnason, V., Jonsdottir, MK., Siggeirsdottir, K., Jonsson, PV., Harris, T.B., Launer, L.J. (2015). Co-presence of multimorbidity and disabilitiy with frailty: an examination of heterogeneity in the frail older population. The Journal of Frailty & Aging, 4 (3), 131-138.
Debette, S. et al. (2015). Genome-wide studies of verbal declarative memory in non-demented older people: the CHARGE consortium. Biological Psychiatry, 77(8), 749-63.
Davis, B.J., Vidal, J.S., Garcia, M., Aspelund, T., van Buchem, M.A., Jonsdottir, M.K., Sigurdsson, S., Harris, T., Gudnason, V. & Launer, L. J. (2014). The alcohol paradox: Light-to-moderate alcohol consumtion, cognitive function and brain volume. J Gerontol A Biol Sci Med Sci.
Vidarsdottir, H., Fang, F., Chang, M., Aspelund, T., Fall, K., Jonsdottir, M. K., Jonsson, P. V., Cotch, M. F., Harris, T. B., Launer, L. J., Gudnason, V. & Valdimarsdottir, U. (2014). Spousal loss and cognitive function in later life: a 25-year follow-up in the AGES-Reykjavik Study. American Journal of Epidemiology, 179(6), 674-83.
Qiu, C., Sigurdsson, S., Zhang, Q., Jonsdottir, M. K., Kjartansson, O., Eiríksdóttir, G., Garcia, M.E., Harris, T.B., Van Buchem, M.A., Gudnason, V. & Launer, L.J. (2014). Diabetes, markers of brain pathology, and cognitive function: The AGES-Reykjavik study. Annals of Neurology, 75(1), 138-46.
Stefansdottir, H., Arnar, D.O., Aspelund, T., Sigurdsson, S., Jonsdottir, M.K., Hjaltason, H., Launer, L.J. & Gudnason, V. (2013). Atrial fibrillation is associated with reduced brain volume and cognitive function independent of cerebral infarcts. Stroke, 44 (4), 1020-1025.
Vidal, J.S., Aspelund, T., Jonsdottir, M.K., Jonsson, P.V., Harris, T.B., Lopez, O.L., Gudnason, V. & Launer, L.J. (2013). Pulmonary function impairmenet may be an early risk factor for late-life cognitive impairment. Journal of the American Geriatric Society, 61(1), 79-83.
Mitchell, G.F., van Buchem, M.A., Sigurdsson, S., Gotal, J.D., Jonsdottir, M.K., Kjartansson, O., Garcia, M., Aspelund, T., Harris, T.B., Gudnason, V. & Launer, L.J. (2011). Arterial stiffness, pressure and flow pulsatility and brain structure and function: the Age, Gene/Environment Susceptibility - Reykjavik Study. Brain, 134, 3398-3407.
Qiu, C., Cotch, M.F., Sigurdsson, S., Jonsson, P.V., Jonsdottir, M.K., Sveinbjörnsdottir, S., Eiriksdottir, G., Klein, R., Harris, T.B., van Buchem, M.A., Gudnason, V. & Launer, L.J. (2010). Cerebral microbleeds, retinopathy and dementia: the AGES-Reykjavik Study. Neurology, 75(24), 2221-2228.
Chang, M., Jonsson, P.V., Snaedal, J., Bjornsson, S., Saczynski, J.S., Aspelund, T., Eiriksdottir, G., Jonsdottir, M.K., Lopez, O.L., Harris, T.B., Gudnason, V. & Launer, L.J. (2010). The effects of midlife physical activity on cognitive function among older adults: the AGES-Reykjavik Study.Journals of Gerontology, Series A: Biological Sciences and Medical Sciences, 65(12), 1369-1374.
Vidal, J.S., Sigurdsson, S., Jonsdottir, M.K., Eiriksdottir, G., Thorgeirsson, G., Kjartansson, O., Garcia, M.E., van Buchem, M.A., Harris, T.B., Gudnason, V. & Launer, L.J. (2010). Coronary artey calcium, brain function and structure: the AGES-Reykjavik Study. Stroke, 41(5), 891-897.
Saczynski, J.S., Sigurðsson, S., Jonsdottir, M. K., Eiríksdóttir, G., Jónsson, P. V., Garcia, M. E., Kjartansson, Ó., Lopez, O., van Buchem, M. A., Gudnason, V. & Launer, L. (2009). Cerebral infarcts and cognitive performance: Importance of location and number of infarcts. Stroke, 40, 677-682. Accompanied by an editorial: Baune, B. T. (2009). The puzzle of predicting the impact of brain infarcts on cognitive impairment in the aging brain. Stroke, 40, 667-669.
Saczynski, J.SJónsdóttir, M. K., Sigurðsson, S., Eiríksdóttir, G., Jónsson, P. V., Garcia, M. E., Kjartansson, Ó., van Buchem, M. A., Guðnason, V. & Launer, L. J. (2008). Cognitive impairment: An increasingly important complication of type 2 diabetes. The Age Gene/Environment Susceptibility – Reykjavik Study. American Journal of Epidemiology, 168 (10), 1132-1139.
Saczynski, J.S., Jónsdóttir, M. K., Sigurðsson, S., Eiríksdóttir, G., Jónsson, P. V., Garcia, M. E., Kjartansson, Ó., van Buchem, M. A., Guðnason, V. & Launer, L. (2008). White matter lesions and cognitive performance: the role of cognitively complex leisure activity. Journal of Gerontology Series A- Biological andMedical Sciences, 63A (8), 848-854.
Jónsdóttir, M. K., Adólfsdóttir, S., Cortez, R. D. Gunnarsdóttir, M. & Gústafsdóttir, Á. H. (2007). A diary study of action slips in healthy individuals. Clinical Neuropsychologist, 21 (6), 875-883. Selected as a continuing education (CE) paper by the editors.
María K. Jónsdóttir, Magnús Haraldsson & Þóra S. Úlfsdóttir (1998). Erlent tónfall eftir heiladrep. Læknablaðið, 84, 562-563. [Foreign intonation following cerebral infarction]. The Journal of the Icelandic Medical Association, 84, 562-563).
Jónsdóttir, M. K., Magnússon, T. & Kjartansson, Ó. (1998). Pure alexia and word-meaning deafness in a patient with multiple sclerosis. Archives of Neurology, 55, 1473-1474.
Jónsdóttir, M. K. & Martin, R. C. (1995/1996). Superordinate and basic level knowledge in aphasia: A case study. Journal of Neurolinguistics, 9 (4), 261-287.
Jónsdóttir, M. K. & Shallice, T. (1996). Phonological mediation and the graphemic buffer disorder in spelling: cross language differences? Cognition, 59, 169-197.
María K. Jónsdóttir, Brynhildur Jónsdóttir, Una Sólveig Jóakimsdóttir (2016, September/October). Icelandic translation, standardization, norm collection and validation of the Addenbrooke mobile: first results. The Icelandic Medical Journal, Supplement 89, 8.
Jónsdóttir, M.K. Þórhallsson, A. and Línadóttir, E. Ó. (2015, April). Lay knowledge about Alzheimer dementia and attitudes towards aging. Conference of the Icelandic Psychological Association, Reykjavík, Iceland.
Jóhannsson, M., Snædal, J., Jónsdóttir, M.K., Héðinsdóttir, Í. and Johnsen, K. (2015, April). Diagnosing dementia with EEG: relationship between the cholinergic index and neuropsychological testing. Conference of the Icelandic Psychological Association, Reykjavík, Iceland.
Vidal, J.S., Jonsdottir, M.K., Sigurdsson, S., Aspelund, T., Harris, T., Gudnason, V. & Launer, L.J. (2011, April). Brain Volume Decline Predicts Cognitive Decline: The AGES Reykjavik Study [Abstract]. Neurology, 76(9), A661-A661.
Vin Þorsteinsdóttir, María K. Jónsdóttir, Pálmi V. Jónsson, Vilmundur Guðnason & Lenore J. Launer (2009, April). Öldrunarrannsókn Hjartaverndar: Algengi vægrar vitrænnar skerðingar með minnistapi [AGES-Reykjavík Study: Incidence of amnestic MCI]. Poster presentation, Icelandic Psychological Society Conference, Reykjavík.
María K. Jónsdóttir, Pálmi V. Jónsson, Bylgja Valtýsdóttir, Vilmundur Guðnason & Lenore J. Launer (2009, April). Öldrunarrannsókn Hjartaverndar: Íslensk viðmið fyrir MMSE skimunarprófið [AGES-Reykjavík Study: Icelandic norms for the MMSE]. Poster presentation, Icelandic Psychological Society Conference, Reykjavík.
Jónsdóttir, M.K., Þorsteinsson, H., Jónsson, P. V., Guðnason & Launer. L. J. (2009, February). Age Gene/Environment Susceptibility (AGES)-Reykjavik study: Factor analysis of a neuropsychological battery in an epidemiological study on aging. Poster presentation, International Neuropsychological Society, 35th Annual Meeting, Atlanta, Georgia.
Saczynski, J.S., Peila, R., Jónsdóttir, M., Garcia, M., Jónsson, P., Eiríksdóttir, G., Ólafsdóttir, E., Harris, T., Gudnason, V. & Launer, L. (2007, November). Diabetes and Cognitive Performance Diabetes and Cognitive Performance: The Age Gene Environment Susceptibility-Reykjavik Study (AGES-Reykjavik). Paper, Gerontological Society of America Conference, San Francisco, California.
Palm, W.M., Saczynski, J.S., Sigurdsson, S., Jonsdottir, M.K., Eiriksdottir, G., Jonsson, P., Kjartansson, O., Van Buchem, M.A., Gudnason, V. & Launer, L. (2007). Magnetization transfer ratio and cognitive function in the general population [Abstract]. Neurology 68 (12), A61-A62 Suppl. 1.
Aðalheiður Sigfúsdóttir, Pálmi V. Jónsson, María K. Jónsdóttir, Thor Aspelund, Ólafur Kjartansson, Guðný Eiríksdóttir, Sigurður Sigurðsson, Lenore J. Launer & Vilmundur Guðnason (2007). Tengsl æðasjúkdóma í heila og taugasálfræðilegs mynsturs hjá eldra fólki án heilabilunar sem tók þátt í Öldrunarrannsókn Hjartaverndar [Relationship between white matter lesions, infarcts and neuropsychological performance] [Abstract]. Icelandic Medical Journal, Suppl., 53, 114.
Sigurður Sigurðsson, Lenore Launer, Milan Chang, Thor Aspelund, María K. Jónsdóttir, Grímheiður F. Jóhannsdóttir, Bylgja Valtýsdóttir, Guðný Eiríksdóttir og Vilmundur Guðnason (2007). Samband minnisskerðingar og innilokunarkenndar í segulómrannsóknum á heila [Incomplete magnetic resonance imaging (MRI) examination due to claustrophobia: is cognitive impairment a contributing factor? The age, gene/environment, susceptibility Reykjavík study] [Abstract]. Icelandic Medical Journal, Suppl., 53, 88.
Saczynski, J., Peila, R., Jonsdottir, M., Garcia, M., Jonsson, P., Eiriksdottir, G., Olafsdottir, E., Gudnason, V., Harris, T. & Launer, L. (2006). Diabetes and Cognitive Performance: The Age Gene Environment Susceptibility Study (AGES) [Abstract]. Diabetes, 55, A57-A57.
Saczynski, J., Jonsdottir, M. K., Sigurdsson, S., Eiriksdottir, G., Jonsson, P. V., Kjartansson, O., van Buchem, M. A., Gudnason, V. & Launer, L. J. (2006). Phenotypes of cognitive performance with white matter lesions: The Age/Gene Environment Susceptibility Reykjavík Study [Abstract]. Alzheimer´s and Dementia, 2(3), S409.
María K. Jónsdóttir, Berglind Magnúsdóttir & Magnús Jóhannsson (2006, May). Íslensk stöðlun Mattis Dementia Rating Scale-2: Fyrstu niðurstöður [Icelandic standardization of the Mattis Dementia Rating Scale-2: First results]. Poster presentation, Landspitali University Hospital Science Days.
Sigurðsson, S., Launer, L., Chang, M., Aspelund, T., Jónsdóttir, M. K., Jóhannesdóttir, G. F., Valtýsdóttir, B., Eiríksdóttir, G. & Guðnason, V. (2006, March). Incomplete magnetic resonance imaging (MRI) examination due to claustrophobia: is cognitive impairment a contributing factor? The age, gene/environment, susceptibility Reykjavík study. Poster presentation, European Congress of Radiology, Vienna.
Jónsdóttir, M.K., Ingþórsdóttir, E.M., Aspelund, T., Jónsson, P.V., Launer, L.J. & Guðnason, V. (2006, February). Retrospective Time Estimation in an Elderly Cohort: Relationship to Cognitive Functioning. Poster presentation, International Neuropsychological Society, 32nd Annual Meeting, Boston.
Saczynski, J. S., Jonsdottir, M. K., Sigurdsson, S., Eiriksdottir, G., Jonsson, P. V., Kjartansson, O., van Buchem, M.A., Gudnason, V. & Launer, L. J. (2005). Socio-demographic characteristics of phenotypes of cognitive reserve in a population sample: The Ages Study [Abstract]. Gerontologist, 45(2), 515.
Saczynski, J. S., Jonsdottir, M. K., Sigurdsson, S., Jonsson, P.V., Kjartansson, O., Gudnason, V., van Buchem, M. A., Eiriksdottir, G. & Launer L. J. (2005, June). Periventricular and subcortical white matter hyperintensities and cognitive function in a population sample: The AGES study. Poster presentation, 2nd congress of The International Society for Vascular Behavioral and Cognitive Disorders, Florence.
Tryggvadóttir, H.B., Jónsdóttir, M.K., Kristjánsson, K., Rye, D. & Sigmundsson, Þ. (2004, February). Cognitive function in restless leg syndrome. Poster presentation, International Neuropsychological Society 32nd Annual Meeting, Baltimore.
Jónsdóttir, M.K. (2004, February). Self-evaluation of memory problems in daily life: Normative data. Poster presentation, International Neuropsychological Society 32nd Annual Meeting, Baltimore.
Haukur Sigurðsson, María K. Jónsdóttir og Ragnar F. Ólafsson (2001). Þunglyndi eftir heilablóðfall [Post-stroke depression]. Poster presentation, Science Days, Landspítali.
Adólfsdóttir, S. & Jónsdóttir, M. K. (2003). Laypersons´ knowledge about the sequelae of whiplash [Abstract]. Journal of the International Neuropsychological Society, 9 (4), 535 (paper presentation).
Jónsdóttir, M. K. & Davíðsdóttir, S. (2001, February). Superordinate and basic level concepts in Alzheimer´s disease. Poster presentation, International Neuropsychological Society 29th Annual Meeting, Chicago.
Jónsdóttir, M. K. (2000, August). A selective deficit for reading vowels: Implications for models of normal reading. Invited talk at the Nordic Neurolinguistic Workshop, Reykjavík, Iceland.
Jónsdóttir, M. K. & Pétursdóttir, A. I. (1998, February). Warrington´s recognition test: Increased difficulty and validity. Poster presentation, International Neuropsychological Society 26th Annual Meeting, Honolulu, Hawaii.
Jónsdóttir, M. K. (1997, February). Hooper Visual Organization Test: Is identification without mental assembly unavoidable? Poster presentation, International Neuropsychological Society 25th Annual Meeting, Orlando, Florida.

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