{"dataset":{"id":"61232","dataset_id":"on007427","name":"Comprehensive methodology for sample enrichment in EEG biomarker studies for Alzheimer’s risk classification","description":"This dataset comprises EEG recordings collected as part of a study developing a methodology for sample enrichment in EEG biomarker research for Alzheimer's disease risk classification. It aims to support the identification of electrophysiological biomarkers relevant to Alzheimer's risk stratification. The dataset was generated at Universidad de Antioquia and is intended for use in biomarker discovery and validation studies.","owner_user_id":15,"status":"active","github_repo":"nemarDatasets/on007427","concept_doi":"10.82901/nemar.on007427","latest_version_doi":"10.82901/nemar.on007427.v1.0.0","created_at":"2026-06-30 08:31:40","updated_at":"2026-08-18 23:51:11","zenodo_concept_id":null,"is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Comprehensive methodology for sample enrichment in EEG biomarker studies for Alzheimer’s risk classification\",\n  \"description\": \"This dataset comprises EEG recordings collected as part of a study developing a methodology for sample enrichment in EEG biomarker research for Alzheimer's disease risk classification. It aims to support the identification of electrophysiological biomarkers relevant to Alzheimer's risk stratification. The dataset was generated at Universidad de Antioquia and is intended for use in biomarker discovery and validation studies.\",\n  \"license\": \"CC0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Verónica Henao Isaza\": {\n      \"orcid\": \"0000-0002-8717-8666\"\n    },\n    \"Carlos Andrés Tobón Quintero\": {},\n    \"John Fredy Ochoa Gómez\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"Alzheimer Disease\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D000544\"\n    },\n    {\n      \"term\": \"Biomarkers\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D015415\"\n    },\n    {\n      \"term\": \"risk classification\"\n    },\n    {\n      \"term\": \"sample enrichment\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.1371/journal.pone.0343722\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/on007427\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataset/on007427\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.18112/openneuro.ds007427.v1.0.1\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    }\n  ],\n  \"funding_references\": [\n    {\n      \"funder_name\": \"Comité para el Desarrollo de la Investigación - CODI, Universidad de Antioquia\"\n    }\n  ],\n  \"resource_type_general\": \"Dataset\",\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"14.6 GB (681 files)\"\n  ],\n  \"formats\": [\n    \".eeg\",\n    \".feather\",\n    \".fif\",\n    \".json\",\n    \".log\",\n    \".md\",\n    \".tsv\",\n    \".txt\",\n    \".vhdr\",\n    \".vmrk\",\n    \".yml\"\n  ],\n  \"source_hash\": \"d6c4c27eefefd442d18606fd4cccfea0ab2f1241e7ba1321da024bf8536badf0\"\n}","last_activity_at":"2026-06-30 08:31:40","source":"openneuro","source_id":"ds007427","subject_count":44,"modalities":"eeg","age_min":21,"age_max":65,"file_size":14564814749,"total_files":1350,"tasks":"CE","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Verónica Henao Isaza, Carlos Andrés Tobón Quintero, John Fredy Ochoa Gómez","license":"CC0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.on007427-blue)](https://doi.org/10.82901/nemar.on007427)\n\nReferences\n----------\nHenao Isaza, V., Aguillon, D., Tobón Quintero, C. A., Lopera, F., & Ochoa Gómez, J. F. (2026). Comprehensive methodology for sample enrichment in EEG biomarker studies for Alzheimer's risk classification. 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