Research output per year
Research output per year
Personal profile
Research
I study neurodegenerative disease with a focus on biomarkers in Lewy body and Alzheimer's disease. Using biomarkers I aim to understand the impact of Alzheimer co-pathology in persons with Lewy body disease and the early detection of these disorders using blood-based biomakers. My research contributes to more timely and accurate detection of disease that cause dementia.
Profile
I am Associate Professor of dementia research and a medical doctor enrolled in the neurology specialization program. My work focuses on neurodegenerative disorders and biomarkers related to dementia. Previously I worked in clinical psychiatry and psychiatric epidemiology.
Cooperation and dissemination
I collaborate with national and international researchers in biochemistry and neuroimaging on projects in dementia. The purpose is to gain a better understanding of biomarkers.
Teaching
I have taught about dementia disorders in the psychiatry specialization program and contributed to books and book chapters on dementia disorders.
Job responsibilities
My primary work focus is neurology and neurodegenerative dementia.
Areas of expertise
- Neurology
- Neurodegenerative disease
- Dementia
- Lewy body disease
- Alzheimer's disease
Fingerprint
Dive into the research topics where Niels Okkels is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Cortical hypometabolism in Parkinson’s disease is linked to cholinergic basal forebrain atrophy
Labrador-Espinosa, M. A., Silva-Rodriguez, J., Okkels, N., Muñoz-Delgado, L., Horsager, J., Castro-Labrador, S., Franco-Rosado, P., Castellano-Guerrero, A. M., Iglesias-Camacho, E., San-Eufrasio, M., Macías-García, D., Jesús, S., Adarmes-Gómez, A., Ojeda-Lepe, E., Carrillo, F., Martín-Rodríguez, J. F., Roldan Lora, F., García-Solís, D., Borghammer, P. & Mir, P. & 1 others, , Jun 2025, In: Molecular Psychiatry. 30, 6, p. 2372-2380 9 p., 44.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
1 Citation (Scopus) -
Non-motor asymmetry and dopamine degeneration in Parkinson's disease
Hansen, F. O., Knudsen, K., Damholdt, M. F., Bek, T., Borghammer, P. & Okkels, N., 2025, In: Brain Communications. 7, 1, fcaf002.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access1 Citation (Scopus) -
Validation of a data-driven motion-compensated PET brain image reconstruction algorithm in clinical patients using four radiotracers
Munk, O. L., Rodell, A. B., Danielsen, P. B., Madsen, J. R., Sørensen, M. T., Okkels, N., Horsager, J., Andersen, K. B., Borghammer, P., Aanerud, J., Jones, J., Hong, I. & Zuehlsdorff, S., Dec 2025, In: EJNMMI Physics. 12, 1, 11.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access -
Cholinergic changes in Lewy body disease: implications for presentation, progression and subtypes
Okkels, N., Grothe, M. J., Taylor, J.-P., Hasselbalch, S. G., Fedorova, T. D., Knudsen, K., van der Zee, S., van Laar, T., Bohnen, N., Borghammer, P. & Horsager, J., 1 Jul 2024, In: Brain. 147, 7, p. 2308-2324 17 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review
15 Citations (Scopus) -
Correlation between dopaminergic and metabolic asymmetry in Lewy body disease - A dual-imaging study
Horsager, J., Andersen, K. B., Okkels, N., Knudsen, K., Skjærbæk, C., Van Den Berge, N., Pavese, N., Gottrup, H. & Borghammer, P., Oct 2024, In: Parkinsonism & Related Disorders. 127, p. 107117 107117.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access1 Citation (Scopus)
Activities
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International Consortium for the study of Dementia with Lewy Bodies (IC-DLB)
Okkels, N. (Lecturer)
2025Activity: Presentations, memberships, employment, ownership and other activities › Member of research network
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European DLB Consortium (EDLB)
Okkels, N. (Lecturer)
2025Activity: Presentations, memberships, employment, ownership and other activities › Member of research network
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Acta Psychiatrica Scandinavia (Journal)
Okkels, N. (Editor)
2017Activity: Publication peer-review and editorial work types › Editor of Research journal › Research
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The Pharmacological Management of Mood Disorders in Pregnancy and Lactation
Okkels, N. (Participant)
30 Mar 2015Activity: Participating in or organising an event types › Participation in or organisation of workshop, seminar or course
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Understanding Psychosis: A Psychopathological Guide for Clinical Examination
Okkels, N. (Participant)
29 Mar 2015Activity: Participating in or organising an event types › Participation in or organisation of workshop, seminar or course
Prizes
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Award to 'A dedicated and hard-working student': Lector H. Svenssons and Spouse Fund.
Okkels, N. (Recipient), 2004
Prize: Prizes, scholarships, distinctions
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Prize for 'Best Oral Presentation': 5th Congress for Medical Student Research
Okkels, N. (Recipient), 2013
Prize: Prizes, scholarships, distinctions
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Prize for 'the enthusiastic and quialified work to educate myself and for the initiative to establish a Clinical Psychiatric Research School for medical students at Aarhus University': Eli and Egon Larsens Fund
Okkels, N. (Recipient), 2012
Prize: Prizes, scholarships, distinctions
Press/Media
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Idé: Cykellapper og kaffe skal skaffe forskningsstøtte til studerende
22/10/2013
1 Media contribution
Press/Media: Press / Media
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Videnskabens Verden: Do you have a spare coin? (Giv en skærv)
03/09/2013
1 Media contribution
Press/Media: Press / Media
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Alternativ finansiering kan hjælpe unge forskere
31/05/2013
1 Media contribution
Press/Media: Press / Media