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Welcome to the page of Dr. Tim Christian Kietzmann. I am a Researcher and Graduate Supervisor at the MRC Cognition and Brain Science Unit of the University of Cambridge (line manager Prof. Niko Kriegeskorte). I investigate principles of neural information processing using tools from machine learning and deep learning, applied to neuroimaging data recorded at high temporal (EEG/MEG) and spatial (fMRI) resolution. Feel free to contact me with any questions or paper requests, and follow me on twitter (@TimKietzmann) for latest updates.




Research Interests

Cognitive Neuroscience meets Machine Learning. My main research aim is to understand dynamic information processing in the brain. Focusing mainly on vision, I am particularly interested in understanding the cortical mechanisms that allow us to robustly extract information from noisy sensory information. I ask how the brain learns robust representations from the statistical regularities in the world. What are the underlying computational mechanisms and representational transformations? What are the computational objectives that the visual system optimises for, and how do they shape neural representations? What temporal dynamics govern information processing and how does experience affect them?

I approach these questions by combining human neuroimaging with machine learning techniques (pattern recognition, and deep neural network models).

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Prompted GPT-2 with the first two sentences of our in-prep Comp Neuro/DNN paper and got: "The DNN is very interesting in that we are able to use some of the original state information of the brain as information, while allowing the DNN to be used as a model..."

Reconstructing imagined letters from early visual cortex. Nice work from @Mario_Senden / Rainer Goebel using sub-mm fMRI at 7T.

I've always been skeptical of imagery tasks, but from the visual field reconstructions, you can really recognize letters!

https://t.co/0s8fsuKeSw

Using neuroscience to develop artificial intelligence | https://t.co/dL4n28SlvS | thoughtful piece on what's similar (and not) between real brain circuits and AI nets

7 PhD openings in Comp Neuro @Sissaschool - superb conditions for research and life!

https://t.co/FxxUKKVPUr

Bevil Conway and I are currently looking for a postdoc to work on a collaboration between our two labs. Neuroimaging experience and strong analytical/computational skills a definite plus. If you might be interested, DM me

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