Hammers, Alexander

In vivo imaging of microglial activation with [11C](R)-PK11195 PET in idiopathic Parkinson's disease

Gerhard, A., Pavese, N., Hotton, G., Turkheimer, F., Es, M., Hammers, A., Eggert, K., Oertel, W., Banati, R. B., & Brooks, D. J. (2006) · Neurobiology of Disease

Neuroinflammation and Neurodegeneration MechanismsParkinson's Disease Mechanisms and Treatments

Cited by 1,200

Vaccine side-effects and SARS-CoV-2 infection after vaccination in users of the COVID Symptom Study app in the UK: a prospective observational study

Menni, C., Klaser, K., May, A., Polidori, L., Capdevila, J., Louca, P., Sudre, C. H., Nguyen, L. H., Drew, D. A., Merino, J., et al. (2021) · The Lancet Infectious Diseases

SARS-CoV-2 and COVID-19 ResearchVaccine Coverage and Hesitancy

Cited by 1,031

Risk factors and disease profile of post-vaccination SARS-CoV-2 infection in UK users of the COVID Symptom Study app: a prospective, community-based, nested, case-control study

Antonelli, M., Penfold, R. S., Merino, J., Sudre, C. H., Molteni, E., Berry, S., Canas, L. S., Graham, M. S., Klaser, K., Modat, M., et al. (2022) · The Lancet Infectious Diseases

SARS-CoV-2 and COVID-19 ResearchCOVID-19 epidemiological studies

Cited by 843

Mapping neurotransmitter systems to the structural and functional organization of the human neocortex

Hansen, J. Y., Shafiei, G., Markello, R. D., Smart, K., Cox, S. M. L., Nørgaard, M., Beliveau, V., Wu, Y., Gallezot, J.-D., Aumont, É., et al. (2022) · Nature Neuroscience

Functional Brain Connectivity StudiesNeurotransmitter Receptor Influence on Behavior

Cited by 797

Amyloid, hypometabolism, and cognition in Alzheimer disease: An [11C]PIB and [18F]FDG PET study

Edison, P., Archer, H. A., Hinz, R., Hammers, A., Pavese, N., Tai, Y. F., Hotton, G., Cutler, D., Fox, N., Kennedy, A., et al. (2007) · Neurology

Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatments

Cited by 518

Microglia, amyloid, and cognition in Alzheimer's disease: An [11C](R)PK11195-PET and [11C]PIB-PET study

Edison, P., Archer, H. A., Gerhard, A., Hinz, R., Pavese, N., Turkheimer, F. E., Hammers, A., Tai, Y. F., Fox, N., Kennedy, A., et al. (2008) · Neurobiology of Disease

Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatments

Cited by 513

Changes in symptomatology, reinfection, and transmissibility associated with the SARS-CoV-2 variant B.1.1.7: an ecological study

Graham, M. S., Sudre, C. H., May, A., Antonelli, M., Murray, B., Varsavsky, T., Kläser, K., Canas, L. S., Molteni, E., Modat, M., et al. (2021) · The Lancet Public Health

SARS-CoV-2 and COVID-19 ResearchCOVID-19 epidemiological studies

Cited by 304

Diagnostic classification of arterial spin labeling and structural MRI in presenile early stage dementia

Bron, E. E., Steketee, R. M. E., Houston, G. C., Oliver, R. A., Achterberg, H. C., Loog, M., van Swieten, J. C., Hammers, A., Niessen, W. J., Smits, M., et al. (2014) · Human Brain Mapping

Dementia and Cognitive Impairment ResearchAdvanced MRI Techniques and Applications

Cited by 93

’Anxiety and depression symptoms after COVID-19 infection: results from the COVID Symptom Study app ’

Klaser, K., Thompson, E. J., Nguyen, L. H., Sudre, C. H., Antonelli, M., Murray, B., Canas, L. S., Molteni, E., Graham, M. S., Kerfoot, E., et al. (2021) · Journal of Neurology, Neurosurgery & Psychiatry

COVID-19 and Mental HealthLong-Term Effects of COVID-19

Cited by 84

A Systematic Review and Aggregated Analysis on the Impact of Amyloid PET Brain Imaging on the Diagnosis, Diagnostic Confidence, and Management of Patients being Evaluated for Alzheimer’s Disease

Fantoni, E. R., Chalkidou, A., O’ Brien, J. T., Farrar, G., & Hammers, A. (2018) · Journal of Alzheimer’s Disease

Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatments

Cited by 68

Imaging localized neuronal activity at fast time scales through biomechanics

Patz, S., Fovargue, D., Schregel, K., Nazari, N., Palotai, M., Barbone, P. E., Fabry, B., Hammers, A., Holm, S., Kozerke, S., et al. (2019) · Science Advances

Ultrasound Imaging and ElastographyAdvanced MRI Techniques and Applications

Cited by 48

Segmentation of subcortical structures and the hippocampus in brain MRI using graph-cuts and subject-specific a-priori information

Wolz, R., Aljabar, P., Rueckert, D., Heckemann, R. A., & Hammers, A. (2009) · 2009 IEEE International Symposium on Biomedical Imaging: From Nano to Macro

Medical Image Segmentation TechniquesBrain Tumor Detection and Classification

Cited by 28

Practical issues and limitations of brain attenuation correction on a simultaneous PET-MR scanner

Mackewn, J. E., Stirling, J., Jeljeli, S., Gould, S.-M., Johnstone, R. I., Merida, I., Pike, L. C., McGinnity, C. J., Beck, K., Howes, O., et al. (2020) · EJNMMI Physics

Medical Imaging Techniques and ApplicationsAdvanced MRI Techniques and Applications

Cited by 20