open-source tools for...
TRANSCRIPT
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Open-source tools for electrophysiologyNeuro Open Science WorkshopJanuary 15-16 2019, ICM Paris
Jakob [email protected]
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We are a nonproft organization
We organize the development and distribution of open-source tools for neuroscience
Focus on extracellular electrophysiology during behavior
Started in ~2010 at MIT by Josh Siegle and Jakob Voigts,now in the hands of many contributors.
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We are a nonproft organization
We organize the development and distribution of open-source tools for neuroscience
Focus on extracellular electrophysiology during behavior
Started in ~2010 at MIT by Josh Siegle and Jakob Voigts,now in the hands of many contributors.
Wanted a cheap, and hackable system,many channels & closed-loop capable.
Started by organizing group purchases, roll out from a few capable labs, transitioned to commercial-ish distribution via oeps (Filipe Carvalho)
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Users & Developers
Australia: Florey Institute of Neuroscience and Mental Health, Monash UniversityBelgium: NERF, IMEC, KU Leuven, Université Libre de BruxellesBrazil: University of São Paulo, Federal University of Rio Grande do Norte (Natal), Conselho Nacional de Desenvolvimento Científco e Tecnológico, Universidade Federal do ABC, Universidade Federal de Minas Gerais, Universidade Federal de Sao Joao del ReyCanada: McGill University, University of Waterloo, University of Lethbridge, University of Montreal, University of Ottawa, CHU Sainte-Justine, Dalhousie University, University of Toronto, Western UniversityChile: Universidad de ChileChina: Huazhong University of Science and Technology, Tsinghua University, Shanghai Institutes for Biological Sciences, Sanjiang UniversityDenmark: Aarhus UniversityFinland: University of Eastern FinlandFrance: CRICM, University Paris 6, INSERM, CNRSGermany: Tübingen, Oldenburg, Freiburg, Köln, MPI for Brain Research, MPI for Biological Cybernetics, DZNE, LMU Munich, TU München, Charite Berlin, Bremen, GöttingenHong Kong: City University of Hong KongHungary: Hungarian Academy of Sciences, Institute of Experimental MedicineIndia: National Centre for Biological Sciences, Tata Institute of Fundamental ResearchIsrael: Tel Aviv University, Weizmann InstituteItaly: Instituto Italiano di Tecnologia, NeurofarbaJapan: Doshisha University, University of Fukui, Nagoya University, Physio-tech Ltd., RIKEN Brain Science Institute, University of ToyamaKazakhstan: Nazarbayev UniversityKorea: Korean Institute for Basic ScienceMexico: UNAM, Universidad Autónoma MetropolitanaNetherlands: Donders Institute, Erasmus MC, Radboud Universiteit, University of AmsterdamNorway: University of OsloPoland: Nencki Institute of Experimental BiologyPortugal: Champalimaud Institute, Universidade do MinhoRussia: Lomonosow State UniversitySlovakia: AXON Neuroscience SESouth Africa: University of Cape TownSpain: Alicante Neuroscience Institute, Cajal Institute, Fundacio IMIM, IDIBAPS (Barcelona), UPV/EHUSweden: Karolinska Institute, Uppsala UniversitySwitzerland: University of GenevaUnited Kingdom: Francis Crick Institute, Imperial College London, Newcastle University, Oxford University, University College London, University of Bristol, University of Edinburgh, University of Exeter, University of LeicesterUnited States: Allen Institute, Baylor College of Medicine, Boston University, Brandeis, Brown University, Caltech, Case Western, Columbia University, Cold Spring Harbor Laboratory, Dartmouth College, Duke University, Georgia Tech, Harvard University, Indiana University, Janelia Research Campus, Johns Hopkins University, MIT, Mayo Clinic, Medical University of South Carolina, Michigan State University, NYU, Princeton University, Research Foundation for Mental Hygiene, Rice University, Rockefeller University, Salk Institute, Stanford University, Stevens Institute of Technology, Stony Brook University, UC Davis, UCSD, UMass Amherst, University of Bufalo, UCSF, University of Eastern Michigan, University of Idaho, University of Missouri, University of Oregon, University of Pittsburgh, USC, UT Austin, Virginia Tech, University of Washington, Washington UniversityUruguay: Universidad de la República
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Dissemination
Science!Nice ideas, designs, processes
Nasty implementationdetails
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Dissemination
Science!Nice ideas, designs, processes
Nasty implementationdetails
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Dissemination
Nasty implementationdetails
Scientifc or Methods paper
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Dissemination
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Dissemination
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Dissemination
Active, continuous effortDocumentation, Licensing, Distribution, Training, Support
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Dissemination
The small details matter, and spending a bit of extra effort is required to actually share something. This effort is worth it.
Better to re-learn and re-use someone else’s tool than to make another one-off.
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Current projects & tools
Development
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Plexon, Neuralynx, Tucker Davis Tech.
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Intan amplifer chips
Reid Harrison,Intan Technologies
32-64 Channels, 30KHz rateBandpass 0.1Hz-15KHz±5mV input range 2.4 V µ rms noise foor
Standardized digitalSPI interface
$425 for 64ch BGA chip
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Current extracellular data acquisition system
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GUI Plugins
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Josh Siegle, Aarón Cuevas López
Kirill Abramov, Jakob Voigts, Clayton Barnes, Christopher Stawarz, Jon Newman, Vincent Prevosto, Ronny Eichler, Ethan Blackwood, and many others
GUI Plugins
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IndividuallyCompiledplugins
GUI Plugins
Josh Siegle, Aarón Cuevas López
Kirill Abramov, Jakob Voigts, Clayton Barnes, Christopher Stawarz, Jon Newman, Vincent Prevosto, Ronny Eichler, Ethan Blackwood, and many others
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GUI Plugins
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Arduino I/O – Chris Black
Frame Grabber – Arne F Meyer
Python interface – Battaglia Lab
Threshold>events – Ethan Blackwood
Triggered average – Clayton Barnes
Dynamic Spike Threshold – Camilo Gordillo
Julia Processor – Jakob Voigts
Arf Format – Michal Badura,Mworks interface – Christopher Stawarz,Serial Data Input – FlorianFranzen
GUI Plugins
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Josh Siegle, K. Michael Fox at Allen Institute
Neuropixels support
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Josh Siegle, K. Michael Fox at Allen Institute
2 open positions for software devs.!
Neuropixels support
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Jonathan P. Newmangithub.com/jonnew/cyclops
Cyclops LED/Laser driver
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Cyclops LED Driver by Jonathan P. Newmanhttps://github.com/jonnew/cyclops
Cyclops LED/Laser driver
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Next generation drive implant
Mouse: 16 drives Rat/Shrew/Lemur: 64 drives
Available via open ephys soon, get in touch to be added to email list.
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Mousecam
AF Meyer, J Poort, J O’Keefe, M Sahani, and JF Linden: A head-mounted camera system integrates detailed behavioral monitoring with multichannel electrophysiology in freely moving mice, Neuron, Volume 100, p46-60, 2018.
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Why did we go with open-source Instead of commercial marketing and distribution?
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Why did we go with open-source Instead of commercial marketing and distribution?
- Promoting the development of tools ≠ developing tools Keeping a constant influx of new ideas from scientists/developers keeps the tools current
- Promoting tools developed by others requires an impartial, non-profit(ish) organization. Credit & recognition needs to go to individual developers
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Why did we go with open-source Instead of commercial marketing and distribution?
- Selling and supporting open-source tools can be profitable An open source tool is just a tool with some important benefits and can be sold as such
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Why did we go with open-source Instead of commercial marketing and distribution?
- Selling and supporting open-source tools can be profitable An open source tool is just a tool with some important benefits and can be sold as such
- Tools don't need to be fully open, good interfaces, APIs etc. solve many problems
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Why did we go with open-source Instead of commercial marketing and distribution?
- Selling and supporting open-source tools can be profitable An open source tool is just a tool with some important benefits and can be sold as such
- Tools don't need to be fully open, good interfaces, APIs etc. solve many problems
- Standardized interfaces help removing redundant efforts
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Why did we go with open-source Instead of commercial marketing and distribution?
- Selling and supporting open-source tools can be profitable An open source tool is just a tool with some important benefits and can be sold as such
- Tools don't need to be fully open, good interfaces, APIs etc. solve many problems
- Standardized interfaces help removing redundant efforts
- Spending money on consulting & support for open-source can be well worth the cost.
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Commercial dissemination
OEPSFilipe Carvalho'Official' manufacturing agreement – pays support salary
LabmakerYork Winter
Open Science BrasilCleiton Lopes Aguiar,Luis Lucca
Independent NeuroScience ServicesBruno Pichler, Dale Elgar
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Two major gaps in the current (commercial) landscape:
Production
Open source tools can be hard to acquire. Requires group orders, collecting parts from multiple sources etc.
Support
Open source tools can be tricky to operate and there are fewer guarantees that they will keep working.
But open source tools are often technologically superior, and allow researchers to do more creative, fexible, and reproducible work.
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Two major gaps in the current (commercial) landscape:
Sale of open-source tools
- No IP monopoly, relatively low margins, but also low costs
- Can provide cutting-edge technology
- Support / replacements etc could be charged separately
Training, Support & Consulting
- Currently almost completely absent, only served incidentally through support of commercial products
- Will require some change in funding landscape
- Large potential for overall productivity gains
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Next generation technology(preview)
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Next-generation free behaving animal ephys system
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Next-generation free behaving animal ephys system
Jonathan P. Newman
Jack Zhang
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Next-generation free behaving animal ephys system
Jonathan P. Newman
Jack Zhang
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Next-generation free behaving animal ephys system
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Next-generation free behaving animal ephys system
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Closed loop ExperimentsNext-generation free behaving animal ephys system
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Closed loop ExperimentsNext-generation free behaving animal ephys system
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Closed loop ExperimentsNext-generation free behaving animal ephys system
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Closed loop ExperimentsNext-generation free behaving animal ephys system
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Closed loop ExperimentsNext-generation free behaving animal ephys system
Electrophysiology
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Closed loop ExperimentsNext-generation free behaving animal ephys system
Miniscopes
Will be able to use the same interface.
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Closed loop ExperimentsNext-generation free behaving animal ephys system
Miniscopes
Will be able to use the same interface.
https://github.com/jonnew/open-ephys-pcie/
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PCIe <100us latency
Next-generation free behaving animal ephys system
![Page 55: Open-source tools for electrophysiologyopen-neuro.org/.../uploads/2019/02/01-Voigts-small.pdfOpen-source tools for electrophysiology Neuro Open Science Workshop January 15-16 2019,](https://reader033.vdocuments.site/reader033/viewer/2022041904/5e62233afcc60d182a15d80a/html5/thumbnails/55.jpg)
Next-generation free behaving animal ephys system
![Page 56: Open-source tools for electrophysiologyopen-neuro.org/.../uploads/2019/02/01-Voigts-small.pdfOpen-source tools for electrophysiology Neuro Open Science Workshop January 15-16 2019,](https://reader033.vdocuments.site/reader033/viewer/2022041904/5e62233afcc60d182a15d80a/html5/thumbnails/56.jpg)
Next-generation free behaving animal ephys system
![Page 57: Open-source tools for electrophysiologyopen-neuro.org/.../uploads/2019/02/01-Voigts-small.pdfOpen-source tools for electrophysiology Neuro Open Science Workshop January 15-16 2019,](https://reader033.vdocuments.site/reader033/viewer/2022041904/5e62233afcc60d182a15d80a/html5/thumbnails/57.jpg)
Thanks to everyone who contributed!
@OpenEphys