Garrett, Douglas

Education

• MA / Ph.D., 2011, Department of Psychology, University of Toronto, Toronto, ON, Canada.
• BA (Honors, Co-op, with Distinction), 2003, Department of Psychology, University of Victoria, Victoria, BC, Canada. 

Recent positions held

• IMPRS LIFE faculty member (2019 to present)
• IMPRS COMP2PSYCH faculty member (2016 to present)
• Emmy Noether Group leader (2017 to present)
• Senior scientist, Max Planck UCL Centre for Computational Psychiatry and Ageing Research; Center for Lifespan Psychology, MPI for Human Development (2014 to present)

Key publications

• 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. 
  
• 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. 
  
• 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.
• 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. 
• 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.
  
• 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.
  
• 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. 
  
• 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. 
• 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. 
• Garrett, D.D., McIntosh, A.R., & Grady, C.L. (2014). Brain signal variability is parametrically modifiable. Cerebral Cortex, 24, 2931-2940. 
• 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. 
  
• 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. 
  
• Garrett, D.D., Kovacevic, N., McIntosh, A.R., & Grady, C.L. (2011). The importance of being variable. Journal of Neuroscience, 31, 4496-4503. 
• 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.