{"dataset":{"id":"44335","dataset_id":"on006367","name":"Memory Reactivation Levels Remain Unaffected by Anticipated Interference","description":"This dataset contains neuroimaging data from a memory interference task designed to investigate how anticipated interference affects memory reactivation. Participants learned target objects and performed a recognition task with manipulated interference conditions, where irrelevant novel objects were presented on half the trials during a delay period. The study examines whether memory reactivation levels remain stable despite expectations of interfering stimuli. Data includes EEG recordings from the experimental protocol with preprocessing documentation available in associated repositories.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on006367","concept_doi":"10.82901/nemar.on006367","latest_version_doi":"10.82901/nemar.on006367.v1.0.0","created_at":"2026-06-18 18:31:06","updated_at":"2026-07-10 23:02:31","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"enriched\",\n  \"title\": \"Memory Reactivation Levels Remain Unaffected by Anticipated Interference\",\n  \"description\": \"This dataset contains neuroimaging data from a memory interference task designed to investigate how anticipated interference affects memory reactivation. Participants learned target objects and performed a recognition task with manipulated interference conditions, where irrelevant novel objects were presented on half the trials during a delay period. The study examines whether memory reactivation levels remain stable despite expectations of interfering stimuli. Data includes EEG recordings from the experimental protocol with preprocessing documentation available in associated repositories.\",\n  \"methods_description\": \"Memory interference task with trial structure: space key initiation, fixation (1000-1500 ms), presentation of cued target and novel object, 1400 ms delay with interference objects on half of trials, probe presentation with vertical object alignment, and response-contingent feedback (1000 ms). Participants completed multiple blocks of trials with counterbalanced interference conditions. EEG data were recorded using standard electrode montage and preprocessed using established protocols including artifact removal, filtering, and epoching as documented in the dataset repository and associated preprint.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"xx\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"memory interference\"\n    },\n    {\n      \"term\": \"memory reactivation\"\n    },\n    {\n      \"term\": \"neuroimaging\"\n    },\n    {\n      \"term\": \"cognitive control\"\n    },\n    {\n      \"term\": \"visual recognition\"\n    },\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"probe recognition\"\n    },\n    {\n      \"term\": \"delay period\"\n    },\n    {\n      \"term\": \"interference manipulation\"\n    },\n    {\n      \"term\": \"anticipated interference\"\n    },\n    {\n      \"term\": \"object recognition\"\n    },\n    {\n      \"term\": \"interference task\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on006367\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=on006367\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds006367.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    \"29.8 GB (164 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  \"funding_references\": [\n    {\n      \"funder_name\": \"No funding reported\"\n    }\n  ],\n  \"source_hash\": \"72a548cabc25df5eb5fa342af75904bbbc2925945fed69e71b1921def88171ce\"\n}","last_activity_at":"2026-06-18 18:31:06","source":"openneuro","source_id":"ds006367","subject_count":52,"modalities":"eeg","age_min":null,"age_max":null,"file_size":29811341562,"total_files":435,"tasks":"DelayedMatchtoSampleTask","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"xx","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on006367-blue)](https://doi.org/10.82901/nemar.on006367)\n\nIn this memory interference task, each trial began  \nwith a space key press, followed by a fixation dot   \nfor 1000–1500 ms. Then, two lateral objects appeared:\na cued target (learned) and an irrelevant novel one. \nParticipants memorized the cued object.              \nAfter a 1400 ms delay, interference objects appeared  \nbriefly on half the blocks; otherwise, only fixation.\nA probe then showed two objects vertically aligned,  \nand participants selected the target using arrow keys.\nFeedback followed the response, showing the correct  \nobject with color-coded text for 1000 ms.            \nThe preprocessing steps to reach this dataset is explained \nin the following preprint and the mentioned OSF repository \nxx (Experiment 1)","bids_version":"v1.2.1","sessions_count":null,"publish_date":null,"embedding_dirty":0,"license_tier":"public","zarr_status":"ready","zarr_converted_at":"2026-09-06 03:45:28","zarr_store_count":52,"zarr_index_etag":"01273a0ecc7da2029f0a71f746fb1b10","zarr_source_commit":"cea5582a3389af4d8c60e7b2888d0cc3b6e53829","archive_status":"ready","archive_size":26994371879,"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":29803748926,"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":245417.80000000022,"recording_duration_min":4608.4,"recording_duration_max":4723.2,"recording_count":52,"recordings_unavailable":0,"recordings_measured":52,"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\":\"2026-06-18 18:40:09\",\"metadata_updated_at\":\"2026-06-18 18:40:13\",\"archive_checked_at\":\"2026-06-18 18:58:32\",\"zarr_checked_at\":null,\"records_checked_at\":\"2026-06-18 18:41:38\",\"citations_updated_at\":null,\"channel_montage_checked_at\":\"2026-06-28 23:55:28\",\"hed_checked_at\":\"2026-06-30 05:32:54\",\"data_checked_at\":\"2026-07-24 03:00:13\",\"availability_report_at\":\"2026-07-23 01:28:53\",\"signal_defaults_at\":\"2026-09-02 12:44:52\",\"recording_stats_at\":\"2026-09-07 03:01:14\"}","participants":52,"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":"27.76 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/on006367/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}}