{"dataset":{"id":"61149","dataset_id":"on006095","name":"Mind in Motion Older Adults Walking Over Uneven Terrain","description":"This dataset comprises high-density, dual-layer electroencephalography (EEG), neck electromyography (EMG), inertial measurement unit (IMU) acceleration, and ground reaction force recordings collected from older adults walking over uneven terrain at varying speeds. Each participant completed multiple walking trials under different conditions as well as a seated rest trial, with digitized electrode locations provided. The dataset supports research into the neural and biomechanical mechanisms underlying balance and gait control during complex locomotion in aging populations.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on006095","concept_doi":"10.82901/nemar.on006095","latest_version_doi":"10.82901/nemar.on006095.v1.0.0","created_at":"2026-06-28 12:31:00","updated_at":"2026-08-19 00:53:57","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Mind in Motion Older Adults Walking Over Uneven Terrain\",\n  \"description\": \"This dataset comprises high-density, dual-layer electroencephalography (EEG), neck electromyography (EMG), inertial measurement unit (IMU) acceleration, and ground reaction force recordings collected from older adults walking over uneven terrain at varying speeds. Each participant completed multiple walking trials under different conditions as well as a seated rest trial, with digitized electrode locations provided. The dataset supports research into the neural and biomechanical mechanisms underlying balance and gait control during complex locomotion in aging populations.\",\n  \"methods_description\": \"Participants performed two three-minute trials for each walking condition over uneven terrain at different speeds, along with a seated rest trial. High-density dual-layer EEG, neck EMG, IMU acceleration, and ground reaction force were recorded simultaneously, and digitized electrode locations were saved for each subject.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Chang Liu\": {},\n    \"Erika M. Pliner\": {},\n    \"Jacob S. Salminen\": {},\n    \"Ryan Downey\": {},\n    \"Jungyun Hwang\": {},\n    \"Akraprava Roy\": {},\n    \"Ryland Swearinger\": {},\n    \"Natalie Richer\": {},\n    \"Chris J. Hass\": {},\n    \"David J. Clark\": {},\n    \"Todd M. Manini\": {},\n    \"Yenisel Cruz-Almeida\": {},\n    \"Rachael D. Seidler\": {},\n    \"Daniel P. Ferris\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"Electromyography\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D004576\"\n    },\n    {\n      \"term\": \"gait\"\n    },\n    {\n      \"term\": \"Aging\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D000375\"\n    },\n    {\n      \"term\": \"uneven terrain\"\n    },\n    {\n      \"term\": \"inertial measurement unit\"\n    },\n    {\n      \"term\": \"ground reaction force\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on006095\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on006095\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds006095\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsVersionOf\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds006095.v1.0.0\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"National Institute of Health\",\n      \"award_number\": \"U01AG061389\"\n    }\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"136.8 GB (2342 files)\"\n  ],\n  \"formats\": [\n    \".fdt\",\n    \".json\",\n    \".md\",\n    \".set\",\n    \".tsv\",\n    \".txt\",\n    \".yml\"\n  ],\n  \"source_hash\": \"c21150c94d7eb0150e2bd7e1d70786678be94d0c01063da1d37ffdbcc5da8f95\"\n}","last_activity_at":"2026-06-28 12:31:00","source":"openneuro","source_id":"ds006095","subject_count":71,"modalities":"eeg","age_min":64,"age_max":90,"file_size":139411877123,"total_files":5954,"tasks":"0p25,0p5,0p75,1p0,Rest,flat,high,low,med","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Chang Liu, Erika M. Pliner, Jacob S. Salminen, Ryan Downey, Jungyun Hwang, Akraprava Roy, Ryland Swearinger, Natalie Richer, Chris J. Hass, David J. Clark, Todd M. Manini, Yenisel Cruz-Almeida, Rachael D. Seidler, Daniel P. Ferris","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on006095-blue)](https://doi.org/10.82901/nemar.on006095)\n\nOur dataset contains high-density, dual-layer electroencephalography (EEG), neck electromyography (EMG), inertial measurement unit (IMU) acceleration, ground reaction force from all participants walking over uneven terrain and at different speeds. Participants completed two trials for each condition for three minutes and a seated rest trial for three minutes. Please refer to our publication for more detail. Digitized electrode locations (txt) are included in each subject folder.","bids_version":"v1.0.0","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-24 20:33:47","zarr_store_count":1182,"zarr_index_etag":"cd010e017b45d495c1921930d346d557","zarr_source_commit":"45c515397214c731567a434204a1827250a9c6b0","archive_status":null,"archive_size":null,"archive_retry_count":0,"records_status":"ready","archive_skip_reason":"dataset 129.8 GB exceeds 100.0 GB archive limit; use direct download","zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"num_dataset_citations":1,"num_datapaper_citations":0,"n_channels":120,"electrode_system":"other","has_hed":0,"hed_version":"8.1.0","is_exemplar":0,"bytes_present":136802937667,"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":219948.77199999974,"recording_duration_min":14.056,"recording_duration_max":250.024,"recording_count":1182,"recordings_unavailable":0,"recordings_measured":1182,"channel_count_min":284,"channel_count_max":336,"sampling_frequency":500,"power_line_frequency":60,"eeg_reference":"CPz","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 00:53:38\",\"metadata_updated_at\":\"2026-08-19 00:53:55\",\"archive_checked_at\":\"2026-06-28 12:44:09\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-28 12:45:03\",\"citations_updated_at\":\"2026-09-08 03:00:53\",\"channel_montage_checked_at\":\"2026-06-28 23:53:18\",\"hed_checked_at\":\"2026-06-30 05:30:31\",\"data_checked_at\":\"2026-08-26 03:00:24\",\"availability_report_at\":\"2026-07-23 01:28:19\",\"recording_stats_at\":\"2026-09-02 11:33:35\",\"signal_defaults_at\":\"2026-09-02 12:43:10\"}","participants":71,"num_citations":1,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"nemarAdmin","owner_github":"nemarAdmin","file_size_formatted":"130 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on006095/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}}