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BrainArena-Data

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Dataset Viewer

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Cannot get the split names for the config 'default' of the dataset.

Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/parquet/parquet.py", line 127, in _split_generators
                  self.info.features = datasets.Features.from_arrow_schema(pq.read_schema(f))
                                                                           ~~~~~~~~~~~~~~^^^
                File "/usr/local/lib/python3.14/site-packages/pyarrow/parquet/core.py", line 2459, in read_schema
                  file = ParquetFile(
                      where, memory_map=memory_map,
                      decryption_properties=decryption_properties)
                File "/usr/local/lib/python3.14/site-packages/pyarrow/parquet/core.py", line 328, in __init__
                  self.reader.open(
                  ~~~~~~~~~~~~~~~~^
                      source, use_memory_map=memory_map,
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ...<8 lines>...
                      arrow_extensions_enabled=arrow_extensions_enabled,
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "pyarrow/_parquet.pyx", line 1656, in pyarrow._parquet.ParquetReader.open
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
              pyarrow.lib.ArrowInvalid: Parquet magic bytes not found in footer. Either the file is corrupted or this is not a parquet file.
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 68, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ~~~~~~~~~~~~~~~~~~~~~~~^
                      path=dataset,
                      ^^^^^^^^^^^^^
                      config_name=config,
                      ^^^^^^^^^^^^^^^^^^^
                      token=hf_token,
                      ^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                      path,
                  ...<6 lines>...
                      **config_kwargs,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

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BrainArena Data Mirrors

This dataset repository provides programmatically accessible mirrors of two source datasets used by BrainArena. The scientific data are not owned by BrainArena or AgentCompass. Each source dataset is redistributed under the Creative Commons Attribution 4.0 International license (CC BY 4.0).

`marquez_legorreta_2026`

Source study: Marquez-Legorreta et al., Whole-Brain Co-Mapping of Gene Expression and Neuronal Activity at Cellular Resolution in Behaving Zebrafish (2026).

Original source: https://figshare.com/s/d1d19b105c4f74865c32
Article: https://doi.org/10.64898/2026.02.07.704095
Original Figshare item: WARP_datasets, article ID 29962931
License: CC BY 4.0
Mirrored file: marquez_legorreta_2026/29962931.zip
Size: 65,489,600,781 bytes
SHA256: 7139ac6b8d079b3a5eab65faba55528eabcafe6bcd53ed7522e5a0bf8f74fa80

The archive is mirrored without modification. It contains the Fish1, Fish2, Fish3, and postprocessed directories supplied by the source record.

`genkin_2025`

Source study: Genkin et al., The Dynamics and Geometry of Choice in the Premotor Cortex (Nature, 2025).

Original source: https://doi.org/10.6084/m9.figshare.29052116.v1
Article: https://doi.org/10.1038/s41586-025-09199-1
License: CC BY 4.0

File	Size (bytes)	MD5	SHA256
`dataset_extended.zip`	105,763,415	`80dd5b5e010b5a2ef2080282ae66035c`	`4717344d57f2a3e610f8f9442c5b4e3524264df6be53541876eac3acfdbc1051`
`dataset.zip`	21,745,053	`a1d1e3b39affe8ff5f46d2539c22bc29`	`5c66f84a894f6542bcf52b588bc225465a5675432251133cf15ebd312d1fbe49`
`Datasets description.docx`	19,208	`0672d6abf4bc255ee2c07dbdb9dcca62`	`418a3437f48c8720d2f3a9001f6d769e9e980e2c27b048eb8b89211627875129`

The three files are mirrored without modification. Their sizes and MD5 checksums match the public Figshare API record.

Attribution and changes

These are unofficial mirrors created to support reproducible BrainArena data preparation. No scientific data were modified. Files may be reorganized only by placing them under study-specific directories. Users should cite the original studies and data records when using the data.

CC BY 4.0: https://creativecommons.org/licenses/by/4.0/

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