{"dataset":{"id":"44801","dataset_id":"on006903","name":"ball_squeeze_2025","description":"Ball squeeze fNIRS dataset containing functional near-infrared spectroscopy recordings during a ball squeezing motor task. This is a raw neuroimaging dataset with fNIRS data collected from participants performing repetitive ball squeeze movements. The dataset includes SNIRF format data files, task event markers, and associated metadata. Approved by Boston University IRB 4502. For complete dataset information including authors and funding details, see the source OpenNeuro dataset (ds006903).","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on006903","concept_doi":"10.82901/nemar.on006903","latest_version_doi":"10.82901/nemar.on006903.v1.0.0","created_at":"2026-06-18 23:31:41","updated_at":"2026-07-10 23:08:29","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"enriched\",\n  \"title\": \"ball_squeeze_2025\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Enter author names here\": {}\n  },\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.18112/openneuro.ds006903.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on006903\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on006903\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"Enter funding details here, if applicable.\"\n    },\n    {\n      \"funder_name\": \"Not specified\"\n    }\n  ],\n  \"resource_type_general\": \"Dataset\",\n  \"modalities\": [\n    \"nirs\"\n  ],\n  \"resource_type_specific\": \"fNIRS Dataset\",\n  \"sizes\": [\n    \"5.8 GB (68 files)\"\n  ],\n  \"formats\": [\n    \".json\",\n    \".md\",\n    \".snirf\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"description\": \"Ball squeeze fNIRS dataset containing functional near-infrared spectroscopy recordings during a ball squeezing motor task. This is a raw neuroimaging dataset with fNIRS data collected from participants performing repetitive ball squeeze movements. The dataset includes SNIRF format data files, task event markers, and associated metadata. Approved by Boston University IRB 4502. For complete dataset information including authors and funding details, see the source OpenNeuro dataset (ds006903).\",\n  \"keywords\": [\n    {\n      \"term\": \"fNIRS\"\n    },\n    {\n      \"term\": \"functional near-infrared spectroscopy\"\n    },\n    {\n      \"term\": \"motor task\"\n    },\n    {\n      \"term\": \"ball squeeze\"\n    },\n    {\n      \"term\": \"neuroimaging\"\n    },\n    {\n      \"term\": \"SNIRF\"\n    },\n    {\n      \"term\": \"hemodynamic response\"\n    },\n    {\n      \"term\": \"motor cortex\"\n    }\n  ],\n  \"source_hash\": \"a96b6bbed8a8062995e338777a99b1f48b0a82f29f4fa656527bb6d6497aa798\"\n}","last_activity_at":"2026-06-18 23:31:41","source":"openneuro","source_id":"ds006903","subject_count":17,"modalities":"nirs","age_min":21,"age_max":61,"file_size":5826264114,"total_files":411,"tasks":"BS,RS","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Enter author names here","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on006903-blue)](https://doi.org/10.82901/nemar.on006903)\n\n<!-- nemar:provenance -->\n## Provenance\n\nThis dataset is mirrored on NEMAR from OpenNeuro.\n\n- Source: [ds006903](https://openneuro.org/datasets/ds006903)\n- DOI: [10.18112/openneuro.ds006903.v1.0.0](https://doi.org/10.18112/openneuro.ds006903.v1.0.0)\n","bids_version":"1.8.0","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-06 02:52:04","zarr_store_count":0,"zarr_index_etag":"b8b99e72987eebb1ad13a44979047b7c","zarr_source_commit":"90cb9ee6122d2d145aed61d4a5a008fc86eddd4b","archive_status":"ready","archive_size":2200408123,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":null,"zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"num_dataset_citations":0,"num_datapaper_citations":0,"n_channels":null,"electrode_system":null,"has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":5821676964,"data_complete":1,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":null,"recording_duration_min":null,"recording_duration_max":null,"recording_count":0,"recordings_unavailable":0,"recordings_measured":0,"channel_count_min":null,"channel_count_max":null,"sampling_frequency":null,"power_line_frequency":null,"eeg_reference":null,"placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-18 23:41:11\",\"metadata_updated_at\":\"2026-06-18 23:41:16\",\"archive_checked_at\":\"2026-06-18 23:44:17\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-18 23:44:02\",\"citations_updated_at\":null,\"channel_montage_checked_at\":null,\"hed_checked_at\":\"2026-06-30 05:39:16\",\"data_checked_at\":\"2026-07-25 03:00:19\",\"availability_report_at\":\"2026-07-23 01:30:35\",\"signal_defaults_at\":\"2026-09-02 12:49:50\",\"recording_stats_at\":\"2026-09-06 03:01:09\"}","participants":17,"num_citations":0,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"5.43 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on006903/zarr/index.json","attestation_deposit_type":null,"attestation_key_status":null,"attestation_deidentified":null,"attestation_no_duplicate":null,"attestation_upstream_source":null,"attestation_accepted_at":null}}