Garrett, D.D., Skowron, A., Wiegert, S., Adolf, J., Dahle, C.L., Lindenberger, U., & Raz, N. (in press). Lost dynamics and the dynamics of loss: Longitudinal compression of brain signal variability is coupled with declines in functional integration and cognitive performance. Cerebral Cortex.

Kosciessa, J.Q., Lindenberger, U., & Garrett, D.D. (2021). Thalamocortical excitability adjustments guide human perception under uncertainty. Nature Communications, 12:2430. Link

Waschke, L., Kloosterman, N., *Obleser, J., & *Garrett, D.D. (2021). Behaviour needs neural variability. Neuron, 109, 1-16. Link

Kloosterman, N.A., Kosciessa, J.Q., Lindenberger, U., Fahrenfort, J.J., & Garrett, D.D. (2020). Boosts in brain signal variability track liberal shifts in decision bias. eLife, 9:e54201. Link

Grady, C.L., Nichol, D., Rieck, J., & Garrett, D.D. (2020). Whole brain functional connectivity and representational similarity within the Face Network contribute to reduced discrimination of degraded faces in young and older adults. Cerebral Cortex, 10.1093/cercor/bhaa179. Link

Kosciessa, J.Q., Kloosterman, N.A., & Garrett, D.D. (2020). Standard multiscale entropy reflects neural dynamics at mismatched temporal scales: What’s signal irregularity got to do with it? PLOS Computational Biology: 16(5): e1007885. Link

Garrett, D.D., Epp, S.M., Kleemeyer, M., Lindenberger, U., and Polk, T.A. (2020). Higher performing older adults upregulate brain signal variability in response to feature-rich sensory input. NeuroImage. Link

Kosciessa, J.Q., Grandy, T.H., Garrett, D.D., & Werkle-Bergner, M, (2020). Single-trial characterization of neural rhythms: potential and challenges. NeuroImage. Link

Liu, L., Zhang, Y., Zhou, Q., Garrett, D.D. Lu, C., Chen, A., Qiu, J., Ding, G. (2020). Auditory-Articulatory Neural Coupling between Listener and Speaker during Verbal Communication. Cerebral Cortex. doi: 10.1093/cercor/bhz138. Link

Kloosterman, N.A., de Gee, J.W., Werkle-Bergner, M., Lindenberger, U., *Garrett, D.D., *Fahrenfort, J.J. (2019). Humans strategically shift decision bias by flexibly adjusting sensory evidence accumulation. eLife, 8:e37321. Link

Salami, A., Garrett, D.D., Rieckmann, A., Wåhlin, A., Papenberg, G., Karalija, N., Andersson, M., Axelsson, J.,Johansson, J., Riklund, K., Lövdén, M., Lindenberger, U., Bäckman, L., & Nyberg, L. (2019). Dopamine D2 binding potential modulates neural signatures of working memory in a load-dependent fashion. Journal of Neuroscience, 39, 537-547. Link

Garrett, D.D., Epp, S., Perry, A., & Lindenberger, U. (2018). Local variability reflects lower dimensional functional integration in the human brain. NeuroImage, 183, 776-787. Link preprint

Salami, A., Rieckmann, A., Karalija, N., Avelar-Pereira, B., Andersson, M., Wåhlin, A., Papenberg, G., Garrett, D.D., Riklund, K., Lövdén, M., Lindenberger, U., Bäckman, L., & Nyberg, L. (2018). Neurocognitive profiles of healthy older adults with working-memory dysfunction. Cerebral Cortex, 28, 2525–2539. Link

Grady, C.L. & Garrett, D.D. (2018). Brain Signal Variability is Modulated as a Function of Internal and External Demand in Younger and Older Adults. NeuroImage, 169, 510-523. Link

Halliday, D., Mulligan, B., Garrett, D.D., Schmidt, S., Hundza, S., Garcia-Barrera, M., Stawski, R., MacDonald, S.W.S. (2018). Mean and Variability In Functional Brain Activations Differentially Predict Executive Function in Older Adults: A Novel Investigation Employing Functional Near Infrared Spectroscopy. Neurophotonics, 5, 011013, doi: 10.1117/1.NPh.5.1.011013. Link

Lövdén, M., Karalija, N., Andersson, M., Wåhlin, A., Axelsson, J., Köhncke, Y., Jonasson, L.S., Rieckmann, A., Papenberg, G., Garrett, D.D., Guitart-Masip, M., Salami, A., Riklund, K., Bäckman, L., Nyberg, L., & Lindenberger, U. ( 2017). Latent-Profile Analysis Reveals Behavioral and Brain Correlates of Dopamine-Cognition Associations. Cerebral Cortex, doi.org/10.1093/cercor/bhx253. Link

Garrett, D.D., Lindenberger, U., Hoge, R., and Gauthier, C.J. (2017). Age differences in brain signal variability are robust to multiple vascular controls. Scientific Reports, 7, 10149. Link

Nyberg, L., Karaljia, N., Salami, A., Andersson, M., Wåhlin, A., Kaboovand, N., Axelsson, J., Rieckmann, A., Papenberg, G., Garrett, D.D., Ricklund, K., Lövden, M., Lindeberger, U., Köhncke, Y., and Bäckman, L. (2016). Dopamine D2 receptor availability is linked to striato-hippocampal functional connectivity and episodic memory. Proceedings of the National Academy of Sciences of the United States of America, 113, 7918-7923. Link

*Grandy, T., *Garrett, D.D., Schmiedek, F., and Werkle-Bergner, M. (2016). On the estimation of brain signal entropy from sparse neuroimaging data. Scientific Reports, 6, 23073. Link

Guitart-Masip, M., Salemi, A., Garrett, D.D., Rieckmann, A., Lindenberger, U., & Bäckman, L. (2016). BOLD variability is related to dopaminergic transmission and cognitive aging. Cerebral Cortex, 26, 2074–2083 . Link

Garrett, D.D., Nagel, I.E., Preuschhof, C., Burzynska, A.Z., Marchner, J., Wiegert, S., Jungehülsing, G., Nyberg, L., Villringer, A., Li, S-C., Heekeren, H.E., Bäckman, L., & Lindenberger, U. (2015). Amphetamine modulates brain signal variability and working memory in younger and older adults. Proceedings of the National Academy of Sciences of the United States of America, 112, 7593-7598. Link

Garrett, D.D., McIntosh, A.R., & Grady, C.L. (2014). Brain signal variability is parametrically modifiable. Cerebral Cortex, 24, 2931-2940. Link

Grady, C.L. & Garrett, D.D. (2013). Understanding variability in the BOLD signal and why it matters for aging. Brain Imaging and Behavior, doi: 10.1007/s11682-013-9253-0. Link

*Burzynska, A.Z., *Garrett, D.D., Preuschhof, C., Nagel, I.E., Li, S-C., Bäckman, L., Heekeren, H.E., & Lindenberger, U. (2013). A scaffold for efficiency in the human brain. Journal of Neuroscience, 33, 17150-17159. Link

Garrett, D.D., Samanez-Larkin, G.L., MacDonald, S.W.S., Lindenberger, U., McIntosh, A.R., & Grady, C.L. (2013). Moment-to-moment brain signal variability: A next frontier in brain mapping? Neuroscience & Biobehavioral Reviews, 37, 610-624. Link

Garrett, D.D., Kovacevic, N., McIntosh, A.R., & Grady, C.L. (2013). The modulation of BOLD variability between cognitive states varies by age and processing speed. Cerebral Cortex, 23, 684-693. Link

Garrett, D.D., MacDonald, S.W.S., & Craik, F.I.M. (2012). Intraindividual reaction time variability is malleable: Feedback- and cognitive reserve-related reductions in variability with age. Frontiers in Human Neuroscience, 6, 101. doi: 10.3389/fnhum.2012.00101. Link

Garrett, D.D., Kovacevic, N., McIntosh, A.R., & Grady, C.L. (2011). The importance of being variable. Journal of Neuroscience, 31, 4496-4503. Link

Garrett, D.D., Kovacevic, N., McIntosh, A.R. & Grady, C.L. (2010). Blood oxygen level-dependent signal variability is more than just noise. Journal of Neuroscience, 30, 4914-4921. Link

Garrett, D.D., Grady, C.L., & Hasher, L. (2010). Everyday memory compensation: The impact of cognitive reserve, subjective memory, and stress. Psychology and Aging, 25, 74-83. Link

McIntosh, A.R., Kovacevic, N., Lippe, S, Garrett, D.D., Grady, C.L., & Jirsa, V. (2010). The development of a noisy brain. Archives of Italian Biology, 148, 323-337. Link

Lindstrom-Forneri, W., Tuokko, H., Garrett, D.D., & Molnar, F. (2010). Everyday competence: Theories, measurement strategies, and its relations to driving. Clinical Gerontologist, 33, 283-297. Link

Garrett, D.D., Tuokko, H., & Stajduhar, K. (2008). Planning for end-of-life care: Findings from the Canadian Study of Health and Aging. Canadian Journal on Aging, 27, 11-21. Link

Stepaniuk, J.A., Tuokko, H.A., McGee, P., Garrett, D.D. & Benner, E.L. (2008). Impact of transit training and free bus pass on public transportation use by older drivers. Preventative Medicine, 47, 335-337. Link

Dixon, R.A., Garrett, D.D., Lentz, T.L., Strauss, E., & Hultsch, D.F. (2007). Neurocognitive markers of mild cognitive impairment: Exploring the roles of speed and inconsistency. Neuropsychology, 21, 381-399. Link

Tuokko, H., Garrett, D.D., McDowell, I., Silverberg, N., & Kristjansson, B. (2003). Cognitive decline in high-functioning older adults: Reserve or ascertainment bias? Aging and Mental Health, 7, 259-270. Link

New Ph.D. program initiated under the Max Planck UCL Centre for Computational Psychiatry and Ageing Research