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{:toc}

Ideas for neuroscience using deep learning

list of comparisons: https://docs.google.com/document/d/1qil2ylAnw6XrHPymYjKKYNDJn2qZQYA_Qg2_ijl-MaQ/edit

Modern deep learning evokes many parallels with the human brain. Here, we explore how these two concepts are related and how deep learning can help understand neural systems using big data.

Brief history

The history of deep learning is intimately linked with neuroscience, with the modern idea of convolutional neural networks dates back to the necognitron.

pro big-data

Artificial neural networks can compute in several different ways. There is some evidence in the visual system that neurons in higher layers of visual areas can, to some extent, be predicted linearly by higher layers of deep networks. However, this certainly isn't true in general.

  • when comparing energy-efficiency, must normalize network performance by energy / number of computations / parameters

anti big-data

  • could neuroscientist understand microprocessor
  • no canonical microcircuit

Data types

EEG ECoG Local Field potential (LFP) -> microelectrode array single-unit calcium imaging fMRI
scale high high low tiny low high
spatial res very low low mid-low x low mid-low
temporal res mid-high high high super high high very low
invasiveness non yes (under skull) very very non non
  • ovw of advancements in neuroengineering
  • cellular
    • extracellular microeelectrodes
    • intracellular microelectrode
    • neuropixels
  • optical
    • calcium imaging / fluorescence imaging
    • whole-brain light sheet imaging
    • voltage-sensitive dyes / voltage imaging
    • adaptive optics
    • fNRIS - like fMRI but cheaper, allows more immobility, slightly worse spatial res
    • oct - noninvasive - can look at retina (maybe find biomarkers of alzheimer's)
    • fiber photometry - optical fiber implanted delivers excitation light
  • alteration
  • high-level
    • EEG/ECoG
    • MEG
    • fMRI/PET
      • molecular fmri (bartelle)
    • MRS
    • event-related optical signal = near-infrared spectroscopy
  • implantable
    • neural dust

general projects

  • could a neuroscientist understand a deep neural network? - use neural tracing to build up wiring diagram / function
  • prediction-driven dimensionality reduction
  • deep heuristic for model-building
  • joint prediction of different input/output relationships
  • joint prediction of neurons from other areas

datasets

<script type="text/bibliography"> @article{hubel1962receptive, title={Receptive fields, binocular interaction and functional architecture in the cat's visual cortex}, author={Hubel, David H and Wiesel, Torsten N}, journal={The Journal of physiology}, volume={160}, number={1}, pages={106--154}, year={1962}, publisher={Wiley Online Library}, url={http://onlinelibrary.wiley.com/wol1/doi/10.1113/jphysiol.1962.sp006837/abstract} } @article{singh2017consensus, title={A consensus layer V pyramidal neuron can sustain interpulse-interval coding}, author={Singh, Chandan and Levy, William B}, journal={PloS one}, volume={12}, number={7}, pages={e0180839}, year={2017}, publisher={Public Library of Science}, url={http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0180839} } @article{herz2006modeling, title={Modeling single-neuron dynamics and computations: a balance of detail and abstraction}, author={Herz, Andreas VM and Gollisch, Tim and Machens, Christian K and Jaeger, Dieter}, journal={science}, volume={314}, number={5796}, pages={80--85}, year={2006}, publisher={American Association for the Advancement of Science}, url={http://science.sciencemag.org/content/314/5796/80.long} } @article{carandini2004amplification, title={Amplification of trial-to-trial response variability by neurons in visual cortex}, author={Carandini, Matteo}, journal={PLoS biology}, volume={2}, number={9}, pages={e264}, year={2004}, publisher={Public Library of Science}, url={http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0020264} } @article{yamins2014performance, title={Performance-optimized hierarchical models predict neural responses in higher visual cortex}, author={Yamins, Daniel LK and Hong, Ha and Cadieu, Charles F and Solomon, Ethan A and Seibert, Darren and DiCarlo, James J}, journal={Proceedings of the National Academy of Sciences}, volume={111}, number={23}, pages={8619--8624}, year={2014}, publisher={National Acad Sciences}, url={http://www.pnas.org/content/111/23/8619} } @incollection{fukushima1982neocognitron, title={Neocognitron: A self-organizing neural network model for a mechanism of visual pattern recognition}, author={Fukushima, Kunihiko and Miyake, Sei}, booktitle={Competition and cooperation in neural nets}, pages={267--285}, year={1982}, publisher={Springer} } @article{marr1976understanding, title={From understanding computation to understanding neural circuitry}, author={Marr, David and Poggio, Tomaso}, year={1976}, url={https://dspace.mit.edu/handle/1721.1/5782} } @article{schuman2017survey, title={A survey of neuromorphic computing and neural networks in hardware}, author={Schuman, Catherine D and Potok, Thomas E and Patton, Robert M and Birdwell, J Douglas and Dean, Mark E and Rose, Garrett S and Plank, James S}, journal={arXiv preprint arXiv:1705.06963}, year={2017}, url={https://arxiv.org/abs/1705.06963} } </script>