Important Links
Important Links & Resources¶
This directory brings together key platforms, portals, datasets, software packages, and academic references for Connectome 2026–2027.
1. Competition Platforms & Community¶
Competition Handbook & Website: https://
clematisresearch .github .io /connectome/ Competition Repository: https://
tinyurl .com /Connectome2026 -27Repository Clematis Discord Community: https://
tinyurl .com /discordclematis (Join for announcements, Q&A, office hours, and submitting video links) Official Mailing List & Updates: https://
tinyurl .com /Connectome2026 -27Mail YouTube Channel: @clematisresearch
Instagram: @clematisresearch
LinkedIn: Clematis Research Hub
Email Inquiries:
clematis.reh@gmail.com
Project Submission Forms¶
Track 1 (Flies) Written Report Submission: Google Form for Track 1
Track 2 (Humans) Written Report Submission: Google Form for Track 2
Video Submissions: Post your video link on the Clematis Discord in the
#Connectome2026-2027channel.
2. Track 1: Fly Connectomics Resources¶
Web Exploration Tools & Viewers¶
Male CNS Cell Type Explorer: https://
reiserlab .github .io /celltype -explorer -drosophila -male -cns/
Search, filter, and inspect cell types across the adult male fly brain and VNC.neuPrint Web Portal: https://
neuprint .janelia .org (Dataset: male-cns:v1.0)
Interactive web interface for querying synaptic connectivity, ROIs, and neuron partners.neuPrint Brain Regions / Neuropil ROI Directory: Neuropil Acronyms & ROI Explorer
Full reference list of standard neuropil abbreviations (e.g., EB, FB, NO, MB, AL, OL).Neuroglancer 3D Visualization (Male CNS v1.0): Pre-loaded Male CNS Neuroglancer Viewer
3D volumetric and skeleton visualizer for reconstructed neurons and brain regions.Virtual Fly Brain (VFB): https://
www .virtualflybrain .org/
Integrated knowledgebase linking fly neuroanatomy, cell types, driver lines, and published literature.Janelia FlyEM Project Team: https://
www .janelia .org /project -team /flyem
Home of high-resolution electron microscopy connectome reconstructions.
Python Packages & API Documentation¶
neuprint-pythonDocumentation: neuPrint Python Quickstart Guideneuprint-pythonGitHub Repository: connectome-neuprint /neuprint -python Plotly Python Library: Plotly Express Documentation
Interactive graphing library for scatter plots, heatmaps, and network graphs.Navis (Neuron Analysis and Visualization in Python): Navis Documentation
Python library for 3D neuron skeleton transformations, morphology analysis, and plotting.
Key Literature & References¶
Male CNS Connectome Preprint: Berg et al., 2025 (bioRxiv) — The connectome of the adult male Drosophila Central Nervous System.
Hemibrain Connectome Paper: Scheffer et al., 2020 (eLife) — A connectome and analysis of the dense connectome of the Drosophila brain.
Whole-Brain Drosophila Connectome: Dorkenwald et al., 2024 (Nature) — Neuronal wiring diagram of an adult brain.
Standard Insect Brain Nomenclature: Ito et al., 2014 (Neuron) — A systematic nomenclature for the insect brain.
Characterizing Neuronal Cell Types: Zeng, 2022 (Cell) — What is a cell type and how do we characterize it?
Adult Drosophila Brain Structure & Function Review: Current Research in Insect Science (2025) — The Drosophila adult brain: short overview of structure, function, and resources.
3. Track 2: Human Neuroimaging & Macroscale Connectomics Resources¶
Datasets, Parcellations, & Key Papers¶
LEMON Dataset Paper: Babayan et al., 2019 (Scientific Data) — A mind-brain-body dataset of MRI, EEG, cognition, emotion, and peripheral physiology in young and old humans.
OpenNeuro LEMON Dataset Portal: OpenNeuro ds000221
Direct access to raw and preprocessed functional/structural MRI datasets.Schaefer Cortical Parcellation Paper: Schaefer et al., 2018 (Cerebral Cortex) — Local-Global Parcellation of the Human Cerebral Cortex from Intrinsic Functional Connectivity MRI.
Yeo 7 & 17 Resting-State Networks Paper: Yeo et al., 2011 (Journal of Neurophysiology) — The organization of the human cerebral cortex estimated by intrinsic functional connectivity.
Complex Brain Networks & Graph Theory in Neuroscience: Bullmore & Sporns, 2009 (Nature Reviews Neuroscience) — Complex brain networks: graph theoretical analysis of structural and functional systems.
Graph Theory Methods: Applications in Brain Networks: Sporns, 2018 (Dialogues in Clinical Neuroscience) — Graph theory methods: applications in brain networks.
Python Neuroimaging & Graph Analysis Packages¶
Nilearn Documentation: https://
nilearn .github .io /stable /index .html
Fast and easy statistical learning on neuroimaging data (fMRI, structural MRI, connectomes).NiBabel Documentation: https://
nipy .org /nibabel/
Access a catalog of neuroimaging file formats (NIfTI, GIFTI, CIFTI).NetworkX Documentation: https://
networkx .org /documentation /stable/
Creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
4. Scientific Computing & Data Science Foundations¶
Pandas Documentation: https://
pandas .pydata .org /docs/ — Data structures and data analysis tools. NumPy Documentation: https://
numpy .org /doc /stable/ — Fundamental package for scientific computing with arrays. SciPy Documentation: https://
docs .scipy .org /doc /scipy/ — Algorithms for scientific and statistical computing. Scikit-learn Documentation: https://
scikit -learn .org /stable/ — Machine learning and predictive data analysis in Python. Matplotlib Documentation: https://
matplotlib .org/ & Seaborn Documentation: https:// seaborn .pydata .org/ — Comprehensive 2D data visualization libraries.
5. Free Online Programming & Neuroscience Courses¶
CS50’s Introduction to Programming with Python (Harvard): https://
cs50 .harvard .edu /python/
Gentle, thorough, and highly rated introduction to Python programming.Python Data Science Handbook (Jake VanderPlas): Online Book Access
Free textbook covering NumPy, Pandas, Matplotlib, and Scikit-Learn.Data Carpentry (Python for Social Scientists): https://
datacarpentry .github .io /python -socialsci/
Practical data workflows and analysis for beginners.
Kaggle Learn Micro-Courses¶
Pandas: https://
www .kaggle .com /learn /pandas
Extracting, indexing, grouping, and transforming tabular datasets.Data Visualization: https://
www .kaggle .com /learn /data -visualization
Creating bar charts, scatter plots, heatmaps, and distributions with Seaborn and Matplotlib.Intro to Machine Learning: https://
www .kaggle .com /learn /intro -to -machine -learning
Exploring data, model validation, decision trees, and random forests.Intermediate Machine Learning: https://
www .kaggle .com /learn /intermediate -machine -learning
Handling missing values, categorical variables, cross-validation, data leakage, and XGBoost.Machine Learning Explainability: https://
www .kaggle .com /learn /machine -learning -explainability
Permutation importance, partial dependence plots, and SHAP values.Feature Engineering: https://
www .kaggle .com /learn /feature -engineering
Mutual information, creating features, clustering, and PCA.
- Berg, S., Beckett, I. R., Costa, M., Schlegel, P., Januszewski, M., Marin, E. C., Nern, A., Preibisch, S., Qiu, W., Takemura, S., Fragniere, A. M. C., Champion, A. S., Adjavon, D.-Y., Cook, M., Gkantia, M., Hayworth, K. J., Huang, G. B., Kampf, F., Katz, W. T., … Jefferis, G. S. X. E. (2025). Sexual dimorphism in the complete connectome of the Drosophila male central nervous system. openRxiv. 10.1101/2025.10.09.680999
- Scheffer, L. K., Xu, C. S., Januszewski, M., Lu, Z., Takemura, S., Hayworth, K. J., Huang, G. B., Shinomiya, K., Maitlin-Shepard, J., Berg, S., Clements, J., Hubbard, P. M., Katz, W. T., Umayam, L., Zhao, T., Ackerman, D., Blakely, T., Bogovic, J., Dolafi, T., … Plaza, S. M. (2020). A connectome and analysis of the adult Drosophila central brain. eLife, 9. 10.7554/elife.57443
- Ito, K., Shinomiya, K., Ito, M., Armstrong, J. D., Boyan, G., Hartenstein, V., Harzsch, S., Heisenberg, M., Homberg, U., Jenett, A., Keshishian, H., Restifo, L. L., Rössler, W., Simpson, J. H., Strausfeld, N. J., Strauss, R., & Vosshall, L. B. (2014). A Systematic Nomenclature for the Insect Brain. Neuron, 81(4), 755–765. 10.1016/j.neuron.2013.12.017
- Schaefer, A., Kong, R., Gordon, E. M., Laumann, T. O., Zuo, X.-N., Holmes, A. J., Eickhoff, S. B., & Yeo, B. T. T. (2017). Local-Global Parcellation of the Human Cerebral Cortex from Intrinsic Functional Connectivity MRI. Cerebral Cortex, 28(9), 3095–3114. 10.1093/cercor/bhx179
- Thomas Yeo, B. T., Krienen, F. M., Sepulcre, J., Sabuncu, M. R., Lashkari, D., Hollinshead, M., Roffman, J. L., Smoller, J. W., Zöllei, L., Polimeni, J. R., Fischl, B., Liu, H., & Buckner, R. L. (2011). The organization of the human cerebral cortex estimated by intrinsic functional connectivity. Journal of Neurophysiology, 106(3), 1125–1165. 10.1152/jn.00338.2011
- Bullmore, E., & Sporns, O. (2009). Complex brain networks: graph theoretical analysis of structural and functional systems. Nature Reviews Neuroscience, 10(3), 186–198. 10.1038/nrn2575