{"format":"nemar-zarr-index","format_version":3,"dataset_id":"nm000196","contract_base":"https://zarr.nemar.org/nm000196/zarr/","data_base":"https://nemar.s3.us-east-2.amazonaws.com/nm000196/zarr/","data_base_kind":"s3-public","s3_uri":"s3://nemar/nm000196/zarr/","s3_region":"us-east-2","s3_anonymous":true,"source_commit":"1a9c826048bc030befa68f54a721b1f36527499b","engine_version":"3","biosigio_version":"1.2.7","updated_utc":"2026-09-04T11:06:21Z","doi":"10.82901/nemar.nm000196","license":"CC0-1.0","citation":"Jordy Thielen, Philip van den Broek, Jason Farquhar, Peter Desain (2026) c-VEP dataset from Thielen et al. (2015) (v1.0.3). NEMAR. https://doi.org/10.82901/nemar.nm000196","hed_version":"8.4.0","layout":{"level0":"<zarr>/<group>/0","view":"<zarr>/<group>/view/<L>","view_levels":"1..n_view_levels from the group attrs","scale_offset":"level-0 array attrs scale[] and offset[]; physical = digital * scale + offset","events":"<data_base>events.parquet"},"discovered_count":36,"store_count":36,"n_recordings":36,"errors":0,"failure_count":0,"pending_count":0,"stores":[{"path":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":66250,"duration_s":265.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":67000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65000,"duration_s":260.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-1/ses-0/eeg/sub-1_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64500,"duration_s":258.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":62750,"duration_s":251.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-10/ses-0/eeg/sub-10_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":62750,"duration_s":251.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-11/ses-0/eeg/sub-11_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65250,"duration_s":261.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":66000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":63000,"duration_s":252.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-12/ses-0/eeg/sub-12_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":76000,"duration_s":304.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":75000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":68500,"duration_s":274.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":69000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65000,"duration_s":260.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-2/ses-0/eeg/sub-2_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65000,"duration_s":260.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65000,"duration_s":260.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":63500,"duration_s":254.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":64000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-3/ses-0/eeg/sub-3_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":66000,"duration_s":264.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":66000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":72750,"duration_s":291.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":73000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":63250,"duration_s":253.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":64000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-4/ses-0/eeg/sub-4_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":80500,"duration_s":322.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":75000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":62750,"duration_s":251.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-5/ses-0/eeg/sub-5_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64500,"duration_s":258.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64500,"duration_s":258.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":62750,"duration_s":251.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-6/ses-0/eeg/sub-6_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65250,"duration_s":261.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":66000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":65250,"duration_s":261.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":66000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-7/ses-0/eeg/sub-7_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":63000,"duration_s":252.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":63000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-8/ses-0/eeg/sub-8_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-0_eeg.bdf","zarr":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-0_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-0_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-1_eeg.bdf","zarr":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-1_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":63250,"duration_s":253.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":64000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-1_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}},{"path":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-2_eeg.bdf","zarr":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-2_eeg.zarr","updated_utc":"2026-09-04T11:06:21Z","source_tree":"raw","derived":false,"modalities":["eeg"],"groups":[{"name":"eeg_250hz","modality":"EEG","rate":250.0,"n_channels":64,"n_samples":64750,"duration_s":259.0,"n_view_levels":4,"view_chunk_columns":1024,"source_rate_hz":2048.0,"chunk_samples":1000,"shard_samples":65000}],"power_line_frequency":50.0,"units_report":{"converted":64,"relabelled":0,"kept_importer_unit":0,"units_column_present":true,"sidecar":"sub-9/ses-0/eeg/sub-9_ses-0_task-cvep_run-2_channels.tsv","sidecar_supplied":true},"n_events":18144,"trial_types":{"0.0":9072,"1.0":9072}}],"failures":[],"pending":[],"events_parquet":"https://nemar.s3.us-east-2.amazonaws.com/nm000196/zarr/events.parquet","events_row_count":653184}