Publications

Liebe, T., Kaufmann, J., Hämmerer, D., Betts, M., Walter, M. (2022) In vivo tractography of human locus coeruleus-relation to 7T resting state fMRI, psychological measures and single subject validity. Molecular Psychiatry, DOI: 10.1038/s41380-022-01761-x, PDF

Kathy Liu, Rogier A. Kievit, Kamen A. Tsvetanov, Matthew J. Betts, Emrah Düzel, James Rowe, Rob Howard, Dorothea Hämmerer. (2020) Noradrenergic-dependent functions are associated with age-related locus coeruleus signal intensity differences. Nature communications, 11 (1), 1-9. PDF

Matthew J. Betts, Evgeniya Kirilina, Maria Otaduy, Dimo Ivanov, Julio Acosta-Cabronero, Martina Callaghan, Christian Lambert, Arturo Cardenas-Blanco, Kerrin Pine, Luca Passamonti, Clare Loane1, Max C. Keuken, Paula Trujillo, Falk Lüsebrink, Hendrik Mattern, Kathy Liu, Nikos Priovoulos, Klaus Fließbach, Martin J. Dahl, Anne Maaß, Christopher F. Madelung, David Meder, Alexander J. Ehrenberg, Oliver Speck, Nikolaus Weiskopf, Raymond Dolan, Ben Inglis, Duygu Tosun, Markus Morawski, Fabio A. Zucca, Hartwig Siebner, Mara Mather, Kamil Uludag, Helmut Heinsen, Benedikt A. Poser, Robert Howard, Luigi Zecca, James B Rowe, Lea T. Grinberg, Heidi I.L. Jacobs, Emrah Düzel*, Hämmerer, D*. (2019) Locus coeruleus imaging as a biomarker for noradrenergic dysfunction in neurodegenerative diseases. Brain, 142, 2558-2571. *shared last PDF

Hämmerer, D ., Schwartenbeck, P., Gallagher, M., FitzGerald, T.H.B., Düzel, E. and Dolan, R.J. (2019) Older adults fail to form stable task representations during model-based inference. Neurobiology of Aging 74, 90-100.
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Liu, K. Y., Acosta-Cabronero, J., Cardenas-Blanco, A., Betts, M. J., Kievit, R.A., Henson, R.N., Loane, C., Berry, A.J., Düzel, E., Cam-CAN, Howard, R., Hämmerer, D. In vivo visualization of age-related changes in the locus coeruleus (2019) Neurobiology of Aging 74, 101-111. PDF

Betts, M., Ehrenberger, A. J., Hämmerer, D., Düzel, E. (2018) Commentary: Locus Coeruleus Ablation Exacerbates Cognitive Deficits, Neuropathology, and Lethality in P301S Tau Transgenic Mice. Frontiers in Neuroscience 12, 401. PDF

Hämmerer, D., Callaghan, M.F., Hopkins, A., Kosciessa, J., Betts, M.., Cardenas-Blanco, A., Kanowski, M., Weiskopf, N., Dayan, P., Dolan, R.J. and Düzel, E. (2018) Locus coeruleus integrity in old age is selectively related to memories linked with salient negative events. Proceedings of the National Academy of Sciences, 115 (9), 2228-2233. PDF

Hämmerer, D., Hopkins, A., Betts, M., Maaß, A., Dolan, R. J., Duzel, E. (2017) Emotional arousal and recognition memory are differentially reflected in pupil diameter responses during emotional memory for negative events in younger and older adults. Neurobiology of Aging, 58, 129-139. PDF

Liu, K.Y., Marijatta F., Hämmerer, D., Düzel E., Howard R.J. (2017) Magnetic resonance imaging of the human locus coeruleus: A systematic review. Neuroscience & Biobehavioral Reviews, 83, 325-355. PDF

Düzel, E., Guitart-Masip, M., Maass, A., Hämmerer, D., Betts, M. J., Speck, O., Weiskopf, N., Kanowski, M. (2015) Midbrain fMRI: Applications, Limitations and Challenges. In: fMRI: From Nuclear Spins to Brain Functions, BIological Magnetic Resonance, 581-609. PDF

Hämmerer, D., Müller, V., Heekeren, H. R., Lindenberger, U., & Li, S.-C. (2014) Performance monitoring across the lifespan: Still maturing post-conflict regulation in children and declining task- set monitoring in older adults.Neuroscience & Biobehavioral Reviews, 46, 105-123. PDF

Hämmerer, D., Li, S.-C., Völkle, M., Müller, V., & Lindenberger, U. (2013). The reliability of event- related potentials related to performance monitoring across the lifespan. Psychophysiology. PDF

Papenberg, G., Hämmerer, D., Müller, V., Lindenberger, U., & Li, S.-C. (2013) Lower theta inter- trial phase coherence during performance monitoring is related to higher reaction time variability: A lifespan study. NeuroImage, 83, 912-920. PDF

Hämmerer, D., Li, S.-C., Müller, V., & Lindenberger, U. (2010). An electrophysiological study of response conflict monitoring across the lifespan: Assessing the roles of conflict monitoring, cue utilization, response anticipation, and response suppression. Neuropsychologia, 48, 3305-3316. PDF

Li, S.-C., Hämmerer, D., Müller, V., Hommel, B., & Lindenberger, U. (2009). Lifespan development of stimulus-response conflict cost: Similarities and differences between maturation and senescence. Psychological Research. 73(6), 777-785. PDF

Fitzgerald, T. H. B., Hämmerer, D., Friston, K. J., Li, S.-C., Dolan, R. J. (2017) Sequential inference strategies correlate with individual differences in brain structures. PLOS Computational Biology, 13(5): e1005418. PDF

Hämmerer, D., Biele, G., Müller, V., Thiele, H., Nürnberg, P., Heekeren, H. R. & Li, S.-C. (2013) Striatal Dopamine Signaling and Outcome Updating across the Lifespan: The Effect of PPP1R1B (DARPP-32) Polymorphism on Event-related Potentials. Frontiers in Decision Neuroscience. 4(89). PDF

Hämmerer, D. & Eppinger, B. (2012) Dopaminergic and prefrontal contributions to learning and outcome monitoring during childhood and old age. Developmental Psychology, 48, 862-874. PDF

Eppinger, B., Hämmerer, D. & Li, S.-C. (2011) Neuromodulation of reward-based learning and decision making in human aging. Annals of the New York Academy of Sciences, 1235, 1-17. PDF

Hämmerer, D., Li, S.-C., Müller, V., & Lindenberger, U. (2011). Life span differences in electrophysiological correlates of monitoring gains and losses during probabilistic reinforcement learning. Journal of Cognitive Neuroscience, 23(3), 1-14. PDF

Ludwig, M., Wienke, C., Betts, M., Zaehle, T., Hämmerer, D. (2021) Current challenges in reliably targeting the noradrenergic locus coeruleus using transcutaneous auricular vagus nerve stimulation (taVNS). Autonomic Neuroscience: Basic & Clinical, 236, 102900. PDF 

Hämmerer, D., Bonaiuto, J., Klein-Flügge, M., Bikson, M., Bestman, S. (2016) Biasing human value-based decision making with non-invasive brain stimulation. Nature Scientific Reports, 6:25160. PDF

Chen, J. A., Hämmerer, D., Strigaro, G., Liou, L.M., Tsai, C. H., Rothwell, J. C., Edwards, M. J. (2014) Domain-Specific Suppression of Auditory Mismatch Negativity with Transcranial Direct Current Stimulation. Clinical Neurophysiology, 125, 585-592. PDF

Chen, J. A., Hämmerer, D., Marshal, L., Strigaro, G., Liou, L.M., Tsai, C. H., Rothwell, J. C., Edwards, M. J. (2014) Bi-directional Modulation of Somatosensory Mismatch Negativity with Transcranial Direct Current Stimulation. Clinical Neurophysiology, 592, 745-757. PDF