Changes for page Methodology
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... ... @@ -1,154 +1,268 @@ 1 1 == **Overview** == 2 2 3 - Neurodiagnosesdevelops a **tridimensional diagnostic framework** for **CNS diseases**, incorporating **AI-powered annotation tools** to improve **interpretability, standardization, and clinical utility.**3 +This project develops a **tridimensional diagnostic framework** for **CNS diseases**, incorporating **AI-powered annotation tools** to improve **interpretability, standardization, and clinical utility**. The methodology integrates **multi-modal data**, including **genetic, neuroimaging, neurophysiological, and biomarker datasets**, and applies **machine learning models** to generate **structured, explainable diagnostic outputs**. 4 4 5 -This methodology integrates **multi-modal data**, including: 6 -**Genetic data** (whole-genome sequencing, polygenic risk scores). 7 -**Neuroimaging** (MRI, PET, EEG, MEG). 8 -**Neurophysiological data** (EEG-based biomarkers, sleep actigraphy). 9 -**CSF & Blood Biomarkers** (Amyloid-beta, Tau, Neurofilament Light). 5 +== **Workflow** == 10 10 11 -By applying **machine learning models**, Neurodiagnoses generates **structured, explainable diagnostic outputs** to assist **clinical decision-making** and **biomarker-driven patient stratification.** 7 +1. ((( 8 +**We Use GitHub to [[Store and develop AI models, scripts, and annotation pipelines.>>https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/discussions]]** 12 12 10 +* Create a **GitHub repository** for AI scripts and models. 11 +* Use **GitHub Projects** to manage research milestones. 12 +))) 13 +1. ((( 14 +**We Use EBRAINS for Data & Collaboration** 15 + 16 +* Store **biomarker and neuroimaging data** in **EBRAINS Buckets**. 17 +* Run **Jupyter Notebooks** in **EBRAINS Lab** to test AI models. 18 +* Use **EBRAINS Wiki** for structured documentation and research discussion. 19 +))) 20 + 13 13 ---- 14 14 15 -== **Data Integration & External Databases** ==23 +== **1. Data Integration** == 16 16 17 -=== ** Howto UseExternalDatabasesin Neurodiagnoses** ===25 +=== **EBRAINS Medical Informatics Platform (MIP)**. === 18 18 19 -Neurodiagnoses integrates data frommultiplebiomedicaland neurologicalresearchdatabases**.Researchers canfollowthesetepsto**access,prepare,andintegrate** dataintotheNeurodiagnosesframework.27 +Neurodiagnoses integrates clinical data via the **EBRAINS Medical Informatics Platform (MIP)**. MIP federates decentralized clinical data, allowing Neurodiagnoses to securely access and process sensitive information for AI-based diagnostics. 20 20 21 -**Potential Data Sources** 22 -**Reference:** [[List of Potential Databases>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/data/sources/list_of_potential_databases]] 29 +==== How It Works ==== 23 23 24 -=== **Register for Access** === 25 25 26 -Each **external database** requires **individual registration** and approval. 27 -✔️ Follow the official **data access guidelines** of each provider. 28 -✔️ Ensure compliance with **ethical approvals** and **data-sharing agreements (DUAs).** 32 +1. ((( 33 +**Authentication & API Access:** 29 29 30 -=== **Download & Prepare Data** === 35 +* Users must have an **EBRAINS account**. 36 +* Neurodiagnoses uses **secure API endpoints** to fetch clinical data (e.g., from the **Federation for Dementia**). 37 +))) 38 +1. ((( 39 +**Data Mapping & Harmonization:** 31 31 32 -Once access is granted, download datasets **following compliance guidelines** and **format requirements** for integration. 41 +* Retrieved data is **normalized** and converted to standard formats (.csv, .json). 42 +* Data from **multiple sources** is harmonized to ensure consistency for AI processing. 43 +))) 44 +1. ((( 45 +**Security & Compliance:** 33 33 34 -**Supported File Formats** 47 +* All data access is **logged and monitored**. 48 +* Data remains on **MIP servers** using **federated learning techniques** when possible. 49 +* Access is granted only after signing a **Data Usage Agreement (DUA)**. 50 +))) 35 35 36 -* **Tabular Data**: .csv, .tsv 37 -* **Neuroimaging Data**: .nii, .dcm 38 -* **Genomic Data**: .fasta, .vcf 39 -* **Clinical Metadata**: .json, .xml 52 +==== Implementation Steps ==== 40 40 41 -**Mandatory Fields for Integration** 42 42 43 -|=**Field Name**|=**Description** 44 -|**Subject ID**|Unique patient identifier 45 -|**Diagnosis**|Standardized disease classification 46 -|**Biomarkers**|CSF, plasma, or imaging biomarkers 47 -|**Genetic Data**|Whole-genome or exome sequencing 48 -|**Neuroimaging Metadata**|MRI/PET acquisition parameters 55 +1. Clone the repository. 56 +1. Configure your **EBRAINS API credentials** in mip_integration.py. 57 +1. Run the script to **download and harmonize clinical data**. 58 +1. Process the data for **AI model training**. 49 49 50 - ===**UploadData toNeurodiagnoses**===60 +For more detailed instructions, please refer to the **[[MIP Documentation>>url:https://mip.ebrains.eu/]]**. 51 51 52 -**Option 1:** Upload to **EBRAINS Bucket** → [[Neurodiagnoses Data Storage>>url:https://wiki.ebrains.eu/bin/view/Collabs/neurodiagnoses/Bucket]] 53 -**Option 2:** Contribute via **GitHub Repository** → [[GitHub Data Repository>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/tree/main/data]] 62 +---- 54 54 55 - **Forlarge datasets,please contactprojectadministratorsbeforeuploading.**64 +=== Data Processing & Integration with Clinica.Run === 56 56 57 - ===**IntegrateData intoAIModels**===66 +Neurodiagnoses now supports **Clinica.Run**, an open-source neuroimaging platform designed for **multimodal data processing and reproducible neuroscience workflows**. 58 58 59 -Use **Jupyter Notebooks** on EBRAINS for **data preprocessing.** 60 -Standardize data using **harmonization tools.** 61 -Train AI models with **newly integrated datasets.** 68 +==== How It Works ==== 62 62 63 -**Reference:** [[Data Processing Guide>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/data_processing.md]] 64 64 65 ----- 71 +1. ((( 72 +**Neuroimaging Preprocessing:** 66 66 67 -== **AI-Powered Annotation & Machine Learning Models** == 74 +* MRI, PET, EEG data is preprocessed using **Clinica.Run pipelines**. 75 +* Supports **longitudinal and cross-sectional analyses**. 76 +))) 77 +1. ((( 78 +**Automated Biomarker Extraction:** 68 68 69 -Neurodiagnoses applies **advanced machine learning models** to classify CNS diseases, extract features from **biomarkers and neuroimaging**, and provide **AI-powered annotation.** 80 +* Standardized extraction of **volumetric, metabolic, and functional biomarkers**. 81 +* Integration with machine learning models in Neurodiagnoses. 82 +))) 83 +1. ((( 84 +**Data Security & Compliance:** 70 70 71 -=== **AI Model Categories** === 86 +* Clinica.Run operates in **compliance with GDPR and HIPAA**. 87 +* Neuroimaging data remains **within the original storage environment**. 88 +))) 72 72 73 -|=**Model Type**|=**Function**|=**Example Algorithms** 74 -|**Probabilistic Diagnosis**|Assigns probability scores to multiple CNS disorders.|Random Forest, XGBoost, Bayesian Networks 75 -|**Tridimensional Diagnosis**|Classifies disorders based on Etiology, Biomarkers, and Neuroanatomical Correlations.|CNNs, Transformers, Autoencoders 76 -|**Biomarker Prediction**|Predicts missing biomarker values using regression.|KNN Imputation, Bayesian Estimation 77 -|**Neuroimaging Feature Extraction**|Extracts patterns from MRI, PET, EEG.|CNNs, Graph Neural Networks 78 -|**Clinical Decision Support**|Generates AI-driven diagnostic reports.|SHAP Explainability Tools 90 +==== Implementation Steps ==== 79 79 80 -**Reference:** [[AI Model Documentation>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/models.md]] 81 81 93 +1. Install **Clinica.Run** dependencies. 94 +1. Configure your **Clinica.Run pipeline** in clinica_run_config.json. 95 +1. Run the pipeline for **preprocessing and biomarker extraction**. 96 +1. Use processed neuroimaging data for **AI-driven diagnostics** in Neurodiagnoses. 97 + 98 +For further information, refer to **[[Clinica.Run Documentation>>url:https://clinica.run/]]**. 99 + 100 +==== ==== 101 + 102 +==== **Data Sources** ==== 103 + 104 +[[List of potential sources of databases>>https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/data/sources/list_of_potential_databases]] 105 + 106 +**Biomedical Ontologies & Databases:** 107 + 108 +* **Human Phenotype Ontology (HPO)** for symptom annotation. 109 +* **Gene Ontology (GO)** for molecular and cellular processes. 110 + 111 +**Dimensionality Reduction and Interpretability:** 112 + 113 +* **Evaluate interpretability** using metrics like the **Area Under the Interpretability Curve (AUIC)**. 114 +* **Leverage [[DEIBO>>https://github.com/Mellandd/DEIBO]] (Data-driven Embedding Interpretation Based on Ontologies)** to connect model dimensions to ontology concepts. 115 + 116 +**Neuroimaging & EEG/MEG Data:** 117 + 118 +* **MRI volumetric measures** for brain atrophy tracking. 119 +* **EEG functional connectivity patterns** (AI-Mind). 120 + 121 +**Clinical & Biomarker Data:** 122 + 123 +* **CSF biomarkers** (Amyloid-beta, Tau, Neurofilament Light). 124 +* **Sleep monitoring and actigraphy data** (ADIS). 125 + 126 +**Federated Learning Integration:** 127 + 128 +* **Secure multi-center data harmonization** (PROMINENT). 129 + 82 82 ---- 83 83 84 -== ** Clinical Decision Support& Tridimensional Diagnostic Framework** ==132 +==== **Annotation System for Multi-Modal Data** ==== 85 85 86 - Neurodiagnosesgenerates**structuredAI reports**forclinicians, combining:134 +To ensure **structured integration of diverse datasets**, **Neurodiagnoses** will implement an **AI-driven annotation system**, which will: 87 87 88 -**Probabilistic Diagnosis:** AI-generated ranking of potential diagnoses. 89 -**Tridimensional Classification:** Standardized diagnostic reports based on: 136 +* **Assign standardized metadata tags** to diagnostic features. 137 +* **Provide contextual explanations** for AI-based classifications. 138 +* **Track temporal disease progression annotations** to identify long-term trends. 90 90 91 -1. **Axis 1:** **Etiology** → Genetic, Autoimmune, Prion, Toxic, Vascular. 92 -1. **Axis 2:** **Molecular Markers** → CSF, Neuroinflammation, EEG biomarkers. 93 -1. **Axis 3:** **Neuroanatomoclinical Correlations** → MRI atrophy, PET. 140 +---- 94 94 95 -** Reference:** [[Tridimensional Classification Guide>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/classification.md]]142 +== **2. AI-Based Analysis** == 96 96 144 +==== **Machine Learning & Deep Learning Models** ==== 145 + 146 +**Risk Prediction Models:** 147 + 148 +* **LETHE’s cognitive risk prediction model** integrated into the annotation framework. 149 + 150 +**Biomarker Classification & Probabilistic Imputation:** 151 + 152 +* **KNN Imputer** and **Bayesian models** used for handling **missing biomarker data**. 153 + 154 +**Neuroimaging Feature Extraction:** 155 + 156 +* **MRI & EEG data** annotated with **neuroanatomical feature labels**. 157 + 158 +==== **AI-Powered Annotation System** ==== 159 + 160 +* Uses **SHAP-based interpretability tools** to explain model decisions. 161 +* Generates **automated clinical annotations** in structured reports. 162 +* Links findings to **standardized medical ontologies** (e.g., **SNOMED, HPO**). 163 + 97 97 ---- 98 98 99 -== **Dat aSecurity,Compliance & FederatedLearning** ==166 +== **3. Diagnostic Framework & Clinical Decision Support** == 100 100 101 -✔ **Privacy-Preserving AI**: Implements **Federated Learning**, ensuring that patient data **never leaves** local institutions. 102 -✔ **Secure Data Access**: Data remains **stored in EBRAINS MIP servers** using **differential privacy techniques.** 103 -✔ **Ethical & GDPR Compliance**: Data-sharing agreements **must be signed** before use. 168 +==== **Tridimensional Diagnostic Axes** ==== 104 104 105 -** Reference:**[[Data Protection& Federated Learning>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/security.md]]170 +**Axis 1: Etiology (Pathogenic Mechanisms)** 106 106 172 +* Classification based on **genetic markers, cellular pathways, and environmental risk factors**. 173 +* **AI-assisted annotation** provides **causal interpretations** for clinical use. 174 + 175 +**Axis 2: Molecular Markers & Biomarkers** 176 + 177 +* **Integration of CSF, blood, and neuroimaging biomarkers**. 178 +* **Structured annotation** highlights **biological pathways linked to diagnosis**. 179 + 180 +**Axis 3: Neuroanatomoclinical Correlations** 181 + 182 +* **MRI and EEG data** provide anatomical and functional insights. 183 +* **AI-generated progression maps** annotate **brain structure-function relationships**. 184 + 107 107 ---- 108 108 109 -== ** DataProcessing&Integrationwith Clinica.Run** ==187 +== **4. Computational Workflow & Annotation Pipelines** == 110 110 111 - Neurodiagnosesnow supports**Clinica.Run**, an **open-source neuroimaging platform** for **multimodaldata processing.**189 +==== **Data Processing Steps** ==== 112 112 113 - ===**HowItWorks**===191 +**Data Ingestion:** 114 114 115 -✔ **Neuroimaging Preprocessing**: MRI, PET, EEG data is preprocessed using **Clinica.Run pipelines.** 116 -✔ **Automated Biomarker Extraction**: Extracts volumetric, metabolic, and functional biomarkers. 117 -✔ **Data Security & Compliance**: Clinica.Run is **GDPR & HIPAA-compliant.** 193 +* **Harmonized datasets** stored in **EBRAINS Bucket**. 194 +* **Preprocessing pipelines** clean and standardize data. 118 118 119 - ===**ImplementationSteps**===196 +**Feature Engineering:** 120 120 121 -1. Install **Clinica.Run** dependencies. 122 -1. Configure **Clinica.Run pipeline** in clinica_run_config.json. 123 -1. Run **biomarker extraction pipelines** for AI-based diagnostics. 198 +* **AI models** extract **clinically relevant patterns** from **EEG, MRI, and biomarkers**. 124 124 125 -** Reference:**[[Clinica.RunDocumentation>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/clinica_run.md]]200 +**AI-Generated Annotations:** 126 126 202 +* **Automated tagging** of diagnostic features in **structured reports**. 203 +* **Explainability modules (SHAP, LIME)** ensure transparency in predictions. 204 + 205 +**Clinical Decision Support Integration:** 206 + 207 +* **AI-annotated findings** fed into **interactive dashboards**. 208 +* **Clinicians can adjust, validate, and modify annotations**. 209 + 127 127 ---- 128 128 129 -== ** Collaborative Development& Research** ==212 +== **5. Validation & Real-World Testing** == 130 130 131 -** We UseGitHub to DevelopAI Models&Store Research Data**214 +==== **Prospective Clinical Study** ==== 132 132 133 -* ** GitHub Repository:** AImodeltrainingscripts.134 -* ** GitHub Issues:** Tracks ongoingresearchquestions.135 -* ** GitHubWiki:**Projectdocumentation& userguides.216 +* **Multi-center validation** of AI-based **annotations & risk stratifications**. 217 +* **Benchmarking against clinician-based diagnoses**. 218 +* **Real-world testing** of AI-powered **structured reporting**. 136 136 137 -** WeUse EBRAINS forData&Collaboration**220 +==== **Quality Assurance & Explainability** ==== 138 138 139 -* **EBRAINS Buckets:** Large-scale neuroimaging and biomarker storage. 140 -* **EBRAINS Jupyter Notebooks:** Cloud-based AI model execution. 141 -* **EBRAINS Wiki:** Research documentation and updates. 222 +* **Annotations linked to structured knowledge graphs** for improved transparency. 223 +* **Interactive annotation editor** allows clinicians to validate AI outputs. 142 142 143 - **Join the Project Forum:** [[GitHub Discussions>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/discussions]]225 +---- 144 144 227 +== **6. Collaborative Development** == 228 + 229 +The project is **open to contributions** from **researchers, clinicians, and developers**. 230 + 231 +**Key tools include:** 232 + 233 +* **Jupyter Notebooks**: For data analysis and pipeline development. 234 +** Example: **probabilistic imputation** 235 +* **Wiki Pages**: For documenting methods and results. 236 +* **Drive and Bucket**: For sharing code, data, and outputs. 237 +* **Collaboration with related projects**: 238 +** Example: **Beyond the hype: AI in dementia – from early risk detection to disease treatment** 239 + 145 145 ---- 146 146 147 -** ForAdditionalDocumentation:**242 +== **7. Tools and Technologies** == 148 148 149 -* **GitHub Repository:** [[Neurodiagnoses AI Models>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses]] 150 -* **EBRAINS Wiki:** [[Neurodiagnoses Research Collaboration>>url:https://wiki.ebrains.eu/bin/view/Collabs/neurodiagnoses/]] 244 +==== **Programming Languages:** ==== 151 151 246 +* **Python** for AI and data processing. 247 + 248 +==== **Frameworks:** ==== 249 + 250 +* **TensorFlow** and **PyTorch** for machine learning. 251 +* **Flask** or **FastAPI** for backend services. 252 + 253 +==== **Visualization:** ==== 254 + 255 +* **Plotly** and **Matplotlib** for interactive and static visualizations. 256 + 257 +==== **EBRAINS Services:** ==== 258 + 259 +* **Collaboratory Lab** for running Notebooks. 260 +* **Buckets** for storing large datasets. 261 + 152 152 ---- 153 153 154 -**Neurodiagnoses is Open for Contributions – Join Us Today!** 264 +=== **Why This Matters** === 265 + 266 +* The annotation system ensures that AI-generated insights are structured, interpretable, and clinically meaningful. 267 +* It enables real-time tracking of disease progression across the three diagnostic axes. 268 +* It facilitates integration with electronic health records and decision-support tools, improving AI adoption in clinical workflows.