Over the last two decades, technological developments have provided tools to facilitate the local manufacture of instruments and devices using an “open source” framework for online sharing of software and product designs. The same approach has been adopted by neuroscientists who have begun to develop a wide range of “open neuroscience”-based software and hardware (Raymond, 1999), open educational resources for neuroscience (Leussis, 2022), and more recently, open neuroscience datasets. The utility of open neuroscience tools accelerated greatly after the patent expiration of 3D-printers, which promulgated the integration of open-source software and hardware (Bechtold, 2016; Lee and Kim, 2015). This enabled researchers to print their own equipment components for use in both the laboratory and in STEM education (Baden et al., 2015; Canessa et al., 2013), such as an automated XYZT fluorescence imaging system (Wincott et al., 2021), a histology slide auto-stainer (Ponzetti et al., 2022), or optogenetics tools for zebrafish, Drosophila, and C. elegans (see Chagas et al., 2017).
Open source neuroscience tools can vary considerably by sub-discipline, but the following examples illustrate some impactful applications: Deep Learning Tools for measuring a wide range of animal behaviors (Mathis and Mathis, 2020), Spikeling for simulating spiking neurons in-silica (Baden et al., 2018), Ephys for a range of electrophysiological in-vitro data acquisition protocols (Suter et al., 2010), PsychoPy to generate a wide range of visual and auditory experimental stimuli (Peirce, 2009), iCub to employ robotics to investigate cognitive development (Tsagarakis et al., 2007), Cognitive Neuroscience 2.0 to build a cumulative science on human brain function (Yarkoni et al., 2010), FieldTrip for advanced analyses of MEG, EEG, and invasive electrophysiological recordings (Oostenveld et al., 2011), as well as applications for studies of the connectome (Milham, 2012) and in cognitive neuroscience (Poldrack, 2012). These examples are important as they show the creativity in the breadth and depth by which open-source neuroscience tools have begun and continue to shape the pedagogical landscape in a more cost effective and equitable way than has previously been considered.
The global coronavirus-19 (COVID-19) pandemic caused even greater equity gaps, while also catalyzing further adoption of open neuroscience resources, as it forced neuroscientists to utilize open-source data, software, and hardware to continue their research while in lockdown (e.g., Gagné and Franzen, 2023) or contemplate leaving the neuroscience field (Vlisides et al., 2021). These same developments may now also offer new opportunities for applications in STEM education (Neuwirth et al., 2020). The expanding adoption of open neuroscience tools in STEM education has the potential to address existing inequities, as commercial off-the-shelf equipment is less affordable to public universities, particularly primarily undergraduate institutions (PUIs) and minority serving intuitions (MSIs). This chasm in access to cutting-edge instructional neuroscience resources between research-intensive institutions and those serving a broader student populace is detrimental because of four critical and often overlooked equity issues within the delivery of effective neuroscience pedagogy. First, it creates disproportionately larger academic achievement gaps (Neuwirth et al., 2020; Mukherji et al., 2017). Second, it fails to offer a more meaningful modern neuroscience curriculum (Colpitts et al., 2019; Yusuf et al., 2014). Third, it falls short of producing enhanced practical and computational skills that come from thoughtful and intentional research engagement necessary for the next generation of neuroscientists (Ramirez, 2020; Buffalari et al., 2020; Chase et al., 2020; Gage, 2019; Litt, 2015). Fourth, it fails to address the neuroscience problems occurring in society that require increased diversity in the workforce (Neuwirth et al., 2021; Bayline et al., 2020).
Here, we provide to educators an initial road-map on where to find high-impact open-source neuroscience software and hardware that can be quickly and easily accessed without specialized tools for neuroscience undergraduate education (Penner et al., 2021). This editorial emerged from a 4-day workshop on Open Neuroscience Software and Hardware, funded by The Dana Foundation (Canli, PI and Chagas, Instructor) and conducted at Stony Brook University with the following participating institutions: The State University of New York (SUNY) Stony Brook; SUNY Old Westbury; Brooklyn College of The City University of New York (CUNY); and Lincoln University (PA).
(1) A Small Distillation of Open Neuroscience Software and Hardware Resource Links
The introductory phase of the workshop focused on the history and applications of 3D-printing in neuroscience These lectures and demonstrations compiled a rich set of resources to teach faculty how to 3D-print and build their own equipment for their pedagogy and research. Tables 1 and 2 offer some examples of open neuroscience tools for a wider audience to consider using as alternatives to their pedagogy and research interests (for a wider range of projects and tools, visit https://open-neuroscience.com).
Table 1.
Software Name | Website | Mac/PC/Linux Compatible | Summary |
---|---|---|---|
Napari | https://napari.org/ | All | Image visualization/analysis suite |
Open eye track | https://github.com/chand-lab/openEyeTrack | Linux | Fast eye tracker |
Pirecorder | https://jollejolles.github.io/pirecorder/ | Raspberry Pi | Camera recording system based on Raspberry Pi card sized computer |
jsPsych | https://www.jspsych.org | Web browser based | |
Bonsai-RX | https://bonsai-rx.org/ | Windows | A suite to design and analyze experiments of all sorts. Several plugins and hardware Integration made easy. |
Deeplabcut | http://www.mackenziemathislab.org/deeplabcut | All | Markless movement tracking using deep neural networks |
TGAC browser | http://browser.tgac.ac.uk/ | Web browser | Genomic browser to visualize annotations from Ensembl database Schema |
OME | https://www.openmicroscopy.org/ | All | OME is a consortium of universities, research labs, industry and developers producing open-source software and format standards for microscopy data. |
MicroManager | http://www.micro-manager.org | All | Suite for microscope control. It allows control of systems that are no longer supported by manufacturers. |
CellFinder | https://github.com/brainglobe/cellfinder | All | Automated 3D cell detection from whole-brain images |
Neurodata without Borders | https://www.nwb.org/ | All | Data Standard for neurophysiology. |
JASP | https://jasp-stats.org/ | All | Statistics software without programming (includes frequentist and Bayesian analysis) |
Open Source Brain | https://www.opensourcebrain.org/ | All | Computational models of neural systems |
Computational Neuroscience | https://github.com/asoplata/open-computational-neuroscience-resources | All | Open Computational Neuroscience Resources |
Open BCI | https://openbci.com/ | All | Open-source tools for biosensing and neuroscience |
Table 2.
Hardware Name | Website | Mac/PC/Linux Compatible | Summary |
---|---|---|---|
OpenFlexure | https://openflexure.org/ | N/A | The OpenFlexure project makes high precision mechanical positioning available to anyone with a 3D printer - for use in microscopes, micromanipulators, and more. |
UC2 | https://github.com/openUC2/UC2-GIThisto | N/A | Microscopy modular toolkit, recipes include light sheet, holographic microscope and more. |
HistoEnder | https://www.sciencedirect.com/science/article/pii/S2468067222001158 | N/A | Automated histology with an adapted 3D printer. |
Spikeling | https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.2006760 | Windows | In silico model of an artificial neuron. |
PocketPCR | https://gaudi.ch/PocketPCR/ | N/A | 5 sample portable PCR machine. |
Open Source Automated Western Blot | https://www.sciencedirect.com/science/article/pii/S2468067219300525 | N/A | A 3D printed automated system for western blotting. |
Small cost efficient 3D printed peristaltic pumps | https://www.sciencedirect.com/science/article/pii/S2468067220300249 | N/A | A low-cost, easy to fabricate, SLA-3D-printed peristaltic pump for multi-channel systems in any lab. |
BioAmp EXG pill | https://github.com/upsidedownlabs/BioAmp-EXG-Pill | All | A portable bioamplifier for ECG, EMG, EOG and EEG. |
GOSH | https://openhardware.science/ | N/A | A global community of open science hardware users, developers and researchers. |
Open Source Hardware Association | https://www.oshwa.org/ | N/A | US based association fostering knowledge development and fair use of open-source hardware. |
(2) “Open-Source Neuroscience” Meets “Neuroscience and Society”: A Timely Pedagogy Resource for Underfunded Programs
The workshop was inspired by a non-governmental organization (NGO) named Teaching and Research in Natural Sciences for Development for Africa; TReND in Africa, https://trendinafrica.org) which pioneered a curriculum for self-empowered capacity-building in neuroscience in Africa, in collaboration with the “Open Neuroscience” online platform (https://open-neuroscience.com). Constraints in funding and access are not, however, limited to the Global South. Even in prosperous nations as the United States, significant imbalances exist among neuroscience researchers and educators across institutions – creating the impetus to bring NGO-African-born resourcefulness to the United States. Whereas the original course is based on an intensive two-week format that introduces neuroscientists into the “how-to’s” of 3D-printing, electronics, and software design, its U.S. version was modified to accommodate the realities of the time demands that are placed on faculty from PUIs/MSIs. The “DNA” of the program, however, remained true to its origin: to build capacity in neuroscience research and education by training faculty in the basic open neuroscience tools, and empowering them to continue expanding these capacity-building tools through ongoing community support well past the course’s formal conclusion.
Capacity-building using open neuroscience principles extends beyond STEM education, by encouraging both instructors and their students to envision applications to solve societal problems. For example, electroencephalography (EEG) studies commonly exclude individuals of African descent, whose coarse hair is not well-suited for standard EEG devices that require access to the scalp (Louis et al., 2022). This systematic exclusion of select groups of people creates a knowledge gap that stands as an obstacle to addressing significant societal challenges, such as the high incidence rates of epilepsy in African nations, which may be twice that of Asia, Europe, and North America (Ba-Diop et al., 2014). To address this problem, new kinds of EEG electrodes were developed recently, using open neuroscience tools (Etienne et al., 2020) to make EEG research more inclusive through intentional efforts to become diverse and more equitable in order to best inform future scientific efforts within- and between distinct populations.
(3) Open-Source Neuroscience Can Creatively Address the 3Rs in Animal Research
Current students are more sensitive than past generations to the use of animals and have a desire to reduce the number of animals used for research purposes. The alternatives to animal-based dissections associated neuroanatomy, and neurophysiology demonstrations, can also be successful for training students while being cost-effective and learner inclusive (Neuwirth et al., 2018). Russel and Burch (1959) proposed the 3-Rs that aim to identify and use animal Replacement, Reduction, and Refinement with alternatives whenever possible to prevent the unnecessary use of animals in biomedical research. From the 4-day workshop, the team from SUNY Old Westbury intentionally sought to 3D-print rat skulls to be used as a procedural training tool for teaching students and researchers on how to perform craniotomies for a wide-range of neurosurgical applications. This use of 3D-printing replaces the use of animals, and can serve to upskill and reskill students or researchers to become more proficient in advanced and dynamic skills. Hands-on applied learning opportunities to implement “dry-runs” of any technical skill provide a clear and ethical means to teach next generation neuroscientists while reducing the use of animals and closing equity gaps.
(4) Thinking Forward and Promoting a Culture Shift Towards Open Neuroscience Resources
From the 4-day workshop on open neuroscience software, hardware, and 3D-printing, the teams of neuroscientists were able to come up with several solutions to different problems in the field by 3D-printing neuroscience equipment, which could be used effectively for research and teaching, and to foster student engagement (Table 3). The teams also learned about the value of integrating open neuroscience principles into the curriculum and discussed including 3D-printing as a module in methods courses to empower students to create new tools to solve problems.
Table 3.
Team | Problem in Neuroscience | 3D Printed equipment |
---|---|---|
Old Westbury | No rat brain sized cryomolds | Cryomolds tall enough to fit full rat brain for either coronal or sagittal sectioning |
No training skull models for teaching rodent surgical craniotomies | Adult rat skulls to reduce use of animals in training craniotomies | |
Expensive interactive models for cell organelles, spinal cord projections, and deep brain regions | 3D printed neuronal cell structure and processes, neuronal projections in the CNS/PNS, and deep brain regions | |
Automated stereotaxic surgery are very expensive | Reconfigure and reprogram a 3D printer to perform stereotaxic drilling for brain access | |
| ||
Brooklyn College | Specialized cameras for microscopes are expensive | 3D printed smartphone holder |
Replacements for Lost/damaged electrode holders take time to receive | 3D printed replacements | |
Implanted micromanipulator/electrode holder for various small animal models limited or unavailable | 3D printed head stage micromanipulators are light and customizable for unique species and applications (Rogers et al. 2017) | |
Lincoln University | Limited behavioral tests and tools for C. elegans | T-maze scaled down for C. elegans |
IN SUMMARY
The field is approaching an inflection point in transforming neuroscience STEM education by means of open neuroscience. Workshops can serve to promote awareness and garner more interest for open-source neuroscience accessibility, low-cost alternatives, and creative solutions to scientific questions and to societal problems. As more global networks share their experiences, data, software, hardware, and integrated solutions, much can be learned from universities/colleges in developing countries that can serve underfunded universities/colleges in the United States, creating greater equity for students across institutions. What is clear is that the future of neuroscience does not need to rely heavily upon costly equipment to do important and impactful science. With open neuroscience, universities/colleges may not have to become reliant on grant money to acquire such equipment to be competitive and have the opportunity to publish in top-quality neuroscience journals. When expensive equipment was not a barrier, resourcefulness and creativity were all one needed to investigate a scientific problem and to disseminate one’s findings publicly. Today, technology pressures have made a majority of current and next-generation neuroscientists reliant on such equipment, constraining their creativity. Additionally, 3D-printing and technological advancements offer a modern vehicle for high-throughput of creativity and the arts, making such ingenuity swift-paced and efficient to circumvent the aforementioned challenges. Perhaps, one can consider in some ways that STEAM is the best suited linkage with open-source neuroscience. Given the continued challenges posed by COVID-19 and the associated financial hardships, new solutions and creative alternatives are more important than ever before. However, as new efforts continue to shape, mold, and hopefully solidify the use of open-source neuroscience software and hardware integrated technologies, we may experience a culture shift towards more creative scientific sharing, collaboration and innovation that globally serves neuroscience and society.
Footnotes
This work and the workshop it refers to was supported by a planning grant from The DANA Foundation awarded to TC. TC and AMC organized and conducted the 4-day Open Neuroscience Workshop. LSN, TC, and AMC developed the initial draft of the manuscript. All of the authors contributed to and reviewed earlier versions of the manuscript. TC, AMC, and LSN approved the final version of the manuscript.
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