Overview
ISO/IEC TS 27571:2026 establishes a standardized data format framework for noninvasive brain–computer interface (BCI) technologies. Published jointly by ISO and IEC, this technical specification covers the essential elements for organizing, formatting, and annotating data collected from multiple noninvasive BCI modalities-including electroencephalography (EEG), magnetoencephalography (MEG), functional near-infrared spectroscopy (fNIRS), and functional magnetic resonance imaging (fMRI). The standard aims to ensure data interoperability, facilitate robust data sharing, and promote transparency and security in BCI product development and research environments. By introducing a common data structure with clear metadata requirements, ISO/IEC TS 27571:2026 streamlines data management, analysis, and integration across diverse applications such as neurorehabilitation and human–computer interaction.
Key Topics
- BCI Data Format Definition: Standardizes basic data elements and modality-specific details for EEG, MEG, fNIRS, and fMRI.
- Metadata and Annotations: Specifies thorough metadata, including device configurations, subject demographics, session information, and event annotations, to improve data traceability and understanding.
- Extensible and Modular Structures: Provides a hierarchical, modular file organization that supports future BCI technologies and easy integration of new data types.
- Naming Convention: Introduces a systematic naming approach for BCI data files, ensuring consistency and simplifying data retrieval.
- Security by Design: Emphasizes encryption, authentication, and access control to safeguard data privacy and ensure compliance with international standards.
- Multimodal Integration: Enables unified handling of datasets from different noninvasive BCI modalities within a single extensible structure.
- Compatibility Provisions: Aims for compatibility with established formats such as BIDS and EDF, while offering greater extensibility for future technologies.
Applications
The standardized BCI data format outlined in ISO/IEC TS 27571:2026 provides practical value in multiple domains:
- Neuroscientific Research: Facilitates easier aggregation, comparison, and replication of BCI experiments by ensuring dataset consistency across laboratories and studies.
- Product Development: Streamlines the integration and certification of BCI devices in complex development environments by enforcing clear, interoperable data structures.
- Neurorehabilitation: Supports patient-centric research by enabling standardized documentation of subject sessions, interventions, and results for reproducible outcomes.
- Human–Computer Interaction (HCI): Improves user data analysis for adaptive and intelligent HCI systems by capturing context-rich metadata and annotations.
- Multi-modal Data Analysis: Enhances the ability to analyze, visualize, and interpret brain data from different noninvasive sources in unified studies.
- Data Security and Compliance: Mitigates risks related to data privacy by embedding security requirements and supporting compliance with international data protection regulations.
Related Standards
To ensure comprehensive coverage and technology alignment, ISO/IEC TS 27571:2026 references and complements several other key standards:
- ISO/IEC 8663: Information technology - Brain–computer interfaces - Vocabulary
- ISO/TS 21526:2019: Health informatics - Metadata repository requirements (MetaRep)
- BIDS (Brain Imaging Data Structure): Widely adopted for organizing and sharing neuroimaging and electrophysiological data.
- EDF (European Data Format): Used mainly for storing polysomnographic and EEG recordings in clinical contexts.
Practical Value
Implementing the ISO/IEC TS 27571:2026 standard enhances interoperability and data quality across the BCI sector by:
- Reducing manual curation and ambiguity in data management
- Accelerating BCI research and product cycles through consistent methodologies
- Promoting collaboration between industry, academia, and healthcare
- Supporting scalable, secure, and future-proof data storage and exchange
Keywords: ISO/IEC TS 27571, BCI data standard, brain–computer interface, noninvasive brain data format, metadata for BCI, EEG data, MEG data, fNIRS, fMRI, secure BCI data, data interoperability, standard naming convention, modular file structure, biomedical data format, human–computer interaction standards.