{"dataset":{"id":"61163","dataset_id":"on006370","name":"Memory Reactivation Levels Remain Unaffected by Anticipated Interference Experiment 2 Dataset","description":"This dataset contains EEG recordings from Experiment 2 of a study investigating memory reactivation under anticipated interference, using a working memory task with lateralized visual objects and dual-task distractor manipulations. Participants memorized cued objects, performed a secondary distractor identification task in some blocks, and were subsequently tested on their memory via a two-alternative forced-choice probe. The dataset is intended to examine how anticipated interference affects neural memory reactivation processes.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on006370","concept_doi":"10.82901/nemar.on006370","latest_version_doi":"10.82901/nemar.on006370.v1.0.0","created_at":"2026-06-28 21:31:42","updated_at":"2026-08-19 00:45:28","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Memory Reactivation Levels Remain Unaffected by Anticipated Interference Experiment 2 Dataset\",\n  \"description\": \"This dataset contains EEG recordings from Experiment 2 of a study investigating memory reactivation under anticipated interference, using a working memory task with lateralized visual objects and dual-task distractor manipulations. Participants memorized cued objects, performed a secondary distractor identification task in some blocks, and were subsequently tested on their memory via a two-alternative forced-choice probe. The dataset is intended to examine how anticipated interference affects neural memory reactivation processes.\",\n  \"methods_description\": \"Each trial began with a space key press, followed by a fixation dot for 500-650 ms, then 2 or 6 lateral objects appeared for 1250 ms. A central cue indicated which object(s) to memorize while irrelevant objects appeared on the other side for visual balance. After a 1000 ms delay, half the blocks presented 4 distractors (dual task) requiring identification of a same-category object, while the other half showed only fixation (single task), with a colored dot providing feedback on dual task accuracy. Finally, a probe displayed 2 objects and participants selected the cued one using arrow keys, followed by feedback showing the correct object with colored cues.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"X\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"working memory\"\n    },\n    {\n      \"term\": \"memory reactivation\"\n    },\n    {\n      \"term\": \"dual-task\"\n    },\n    {\n      \"term\": \"lateralized visual objects\"\n    },\n    {\n      \"term\": \"anticipated interference\"\n    },\n    {\n      \"term\": \"distractor identification task\"\n    },\n    {\n      \"term\": \"two-alternative forced-choice\"\n    },\n    {\n      \"term\": \"cognitive neuroscience\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on006370\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on006370\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds006370.v1.0.1\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    }\n  ],\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"43.0 GB (172 files)\"\n  ],\n  \"formats\": [\n    \".c\",\n    \".fdt\",\n    \".h\",\n    \".json\",\n    \".m\",\n    \".md\",\n    \".mexa64\",\n    \".mexmaci64\",\n    \".mexw64\",\n    \".set\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"source_hash\": \"e51c189d01e53ec6dd207649c985acbbd7e2ba80808600a3056cae0363fbcb40\"\n}","last_activity_at":"2026-06-28 21:31:42","source":"openneuro","source_id":"ds006370","subject_count":56,"modalities":"eeg","age_min":null,"age_max":null,"file_size":43036327419,"total_files":463,"tasks":"DelayedMatchtoSampleTask","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"X","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on006370-blue)](https://doi.org/10.82901/nemar.on006370)\n\nEach trial began with a space key press, followed by a \nfixation dot for 500–650 ms. Then, 2 or 6 lateral objects appeared \nfor 1250 ms. A central cue indicated which object(s) to memorize. \nThe other side had irrelevant objects for visual balance. After a \n1000 ms delay, half the blocks showed 4 distractors (dual task), \nwhere participants identified a same-category object among them. \nThe other half showed only fixation (single task). A colored dot gave \nfeedback on dual task accuracy. Then, a probe showed 2 \nobjects, and participants selected the cued one using arrow keys. \nFeedback followed, showing the correct object with colored cues.\nThe preprocessing steps to reach this dataset is explained \nin the following preprint and the mentioned OSF repository \nxx (Experiment 2)","bids_version":"v1.2.1","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-08-24 14:21:44","zarr_store_count":56,"zarr_index_etag":"45f3cafc534129e9800ddaed15a4d5ed","zarr_source_commit":"23999a39912e672cd728badcf3423935271d6f82","archive_status":"ready","archive_size":38906586973,"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":30,"electrode_system":"10-10","has_hed":0,"hed_version":"8.1.0","is_exemplar":0,"bytes_present":43027012358,"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":343162.65599999996,"recording_duration_min":1146.352,"recording_duration_max":6464,"recording_count":56,"recordings_unavailable":0,"recordings_measured":56,"channel_count_min":30,"channel_count_max":30,"sampling_frequency":1000,"power_line_frequency":null,"eeg_reference":"common","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-08-19 00:45:11\",\"metadata_updated_at\":\"2026-08-19 00:45:27\",\"archive_checked_at\":\"2026-06-28 22:05:15\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-28 21:41:20\",\"citations_updated_at\":null,\"channel_montage_checked_at\":\"2026-06-28 23:55:37\",\"hed_checked_at\":\"2026-06-30 05:33:05\",\"data_checked_at\":\"2026-08-27 03:00:26\",\"availability_report_at\":\"2026-07-23 01:28:55\",\"recording_stats_at\":\"2026-09-02 11:33:39\",\"signal_defaults_at\":\"2026-09-02 12:44:59\"}","participants":56,"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":"40.08 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on006370/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}}