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... ... @@ -1,109 +1,273 @@ 1 -=== **Overview** === 1 +==== **Overview** ==== 2 2 3 -This sectiondescribesthestep-by-step processusedhe **Neurodiagnoses**projecttodevelopavel diagnosticframework forneurologicaldiseases. The methodology integratesartificial intelligence(AI),biomedicalontologies, andcomputationalneuroscience tocreateastructured,interpretable,and scalable diagnosticsystem.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 +=== **Workflow** === 6 + 7 +1. ((( 8 +**We Use GitHub to [[Store and develop AI models, scripts, and annotation pipelines.>>https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/discussions]]** 9 + 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 + 5 5 ---- 6 6 7 7 === **1. Data Integration** === 8 8 25 +== Overview == 26 + 27 + 28 +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. 29 + 30 +== How It Works == 31 + 32 + 33 +1. ((( 34 +**Authentication & API Access:** 35 + 36 +* Users must have an **EBRAINS account**. 37 +* Neurodiagnoses uses **secure API endpoints** to fetch clinical data (e.g., from the **Federation for Dementia**). 38 +))) 39 +1. ((( 40 +**Data Mapping & Harmonization:** 41 + 42 +* Retrieved data is **normalized** and converted to standard formats (.csv, .json). 43 +* Data from **multiple sources** is harmonized to ensure consistency for AI processing. 44 +))) 45 +1. ((( 46 +**Security & Compliance:** 47 + 48 +* All data access is **logged and monitored**. 49 +* Data remains on **MIP servers** using **federated learning techniques** when possible. 50 +* Access is granted only after signing a **Data Usage Agreement (DUA)**. 51 +))) 52 + 53 +== Implementation Steps == 54 + 55 + 56 +1. Clone the repository. 57 +1. Configure your **EBRAINS API credentials** in mip_integration.py. 58 +1. Run the script to **download and harmonize clinical data**. 59 +1. Process the data for **AI model training**. 60 + 61 +For more detailed instructions, please refer to the **[[MIP Documentation>>url:https://mip.ebrains.eu/]]**. 62 + 63 +---- 64 + 65 += Data Processing & Integration with Clinica.Run = 66 + 67 + 68 +== Overview == 69 + 70 + 71 +Neurodiagnoses now supports **Clinica.Run**, an open-source neuroimaging platform designed for **multimodal data processing and reproducible neuroscience workflows**. 72 + 73 +== How It Works == 74 + 75 + 76 +1. ((( 77 +**Neuroimaging Preprocessing:** 78 + 79 +* MRI, PET, EEG data is preprocessed using **Clinica.Run pipelines**. 80 +* Supports **longitudinal and cross-sectional analyses**. 81 +))) 82 +1. ((( 83 +**Automated Biomarker Extraction:** 84 + 85 +* Standardized extraction of **volumetric, metabolic, and functional biomarkers**. 86 +* Integration with machine learning models in Neurodiagnoses. 87 +))) 88 +1. ((( 89 +**Data Security & Compliance:** 90 + 91 +* Clinica.Run operates in **compliance with GDPR and HIPAA**. 92 +* Neuroimaging data remains **within the original storage environment**. 93 +))) 94 + 95 +== Implementation Steps == 96 + 97 + 98 +1. Install **Clinica.Run** dependencies. 99 +1. Configure your **Clinica.Run pipeline** in clinica_run_config.json. 100 +1. Run the pipeline for **preprocessing and biomarker extraction**. 101 +1. Use processed neuroimaging data for **AI-driven diagnostics** in Neurodiagnoses. 102 + 103 +For further information, refer to **[[Clinica.Run Documentation>>url:https://clinica.run/]]**. 104 + 105 +==== ==== 106 + 9 9 ==== **Data Sources** ==== 10 10 11 -* **Biomedical Ontologies**: 12 -** Human Phenotype Ontology (HPO) for phenotypic abnormalities. 13 -** Gene Ontology (GO) for molecular and cellular processes. 14 -* **Neuroimaging Datasets**: 15 -** Example: Alzheimer’s Disease Neuroimaging Initiative (ADNI), OpenNeuro. 16 -* **Clinical and Biomarker Data**: 17 -** Anonymized clinical reports, molecular biomarkers, and test results. 109 +[[List of potential sources of databases>>https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/data/sources/list_of_potential_databases]] 18 18 111 +**Biomedical Ontologies & Databases:** 19 19 20 -==== **Data Preprocessing** ==== 113 +* **Human Phenotype Ontology (HPO)** for symptom annotation. 114 +* **Gene Ontology (GO)** for molecular and cellular processes. 21 21 22 -1. **Standardization**: Ensure all data sources are normalized to a common format. 23 -1. **Feature Selection**: Identify relevant features for diagnosis (e.g., biomarkers, imaging scores). 24 -1. **Data Cleaning**: Handle missing values and remove duplicates. 116 +**Dimensionality Reduction and Interpretability:** 25 25 118 +* **Evaluate interpretability** using metrics like the **Area Under the Interpretability Curve (AUIC)**. 119 +* **Leverage [[DEIBO>>https://github.com/Mellandd/DEIBO]] (Data-driven Embedding Interpretation Based on Ontologies)** to connect model dimensions to ontology concepts. 120 + 121 +**Neuroimaging & EEG/MEG Data:** 122 + 123 +* **MRI volumetric measures** for brain atrophy tracking. 124 +* **EEG functional connectivity patterns** (AI-Mind). 125 + 126 +**Clinical & Biomarker Data:** 127 + 128 +* **CSF biomarkers** (Amyloid-beta, Tau, Neurofilament Light). 129 +* **Sleep monitoring and actigraphy data** (ADIS). 130 + 131 +**Federated Learning Integration:** 132 + 133 +* **Secure multi-center data harmonization** (PROMINENT). 134 + 26 26 ---- 27 27 137 +==== **Annotation System for Multi-Modal Data** ==== 138 + 139 +To ensure **structured integration of diverse datasets**, **Neurodiagnoses** will implement an **AI-driven annotation system**, which will: 140 + 141 +* **Assign standardized metadata tags** to diagnostic features. 142 +* **Provide contextual explanations** for AI-based classifications. 143 +* **Track temporal disease progression annotations** to identify long-term trends. 144 + 145 +---- 146 + 28 28 === **2. AI-Based Analysis** === 29 29 30 -==== **M odelDevelopment** ====149 +==== **Machine Learning & Deep Learning Models** ==== 31 31 32 -* **Embedding Models**: Use pre-trained models like BioBERT or BioLORD for text data. 33 -* **Classification Models**: 34 -** Algorithms: Random Forest, Support Vector Machines (SVM), or neural networks. 35 -** Purpose: Predict the likelihood of specific neurological conditions based on input data. 151 +**Risk Prediction Models:** 36 36 37 - ====**DimensionalityReductionandInterpretability**====153 +* **LETHE’s cognitive risk prediction model** integrated into the annotation framework. 38 38 39 -* Leverage [[DEIBO>>https://drive.ebrains.eu/f/8d7157708cde4b258db0/]] (Data-driven Embedding Interpretation Based on Ontologies) to connect model dimensions to ontology concepts. 40 -* Evaluate interpretability using metrics like the Area Under the Interpretability Curve (AUIC). 155 +**Biomarker Classification & Probabilistic Imputation:** 41 41 157 +* **KNN Imputer** and **Bayesian models** used for handling **missing biomarker data**. 158 + 159 +**Neuroimaging Feature Extraction:** 160 + 161 +* **MRI & EEG data** annotated with **neuroanatomical feature labels**. 162 + 163 +==== **AI-Powered Annotation System** ==== 164 + 165 +* Uses **SHAP-based interpretability tools** to explain model decisions. 166 +* Generates **automated clinical annotations** in structured reports. 167 +* Links findings to **standardized medical ontologies** (e.g., **SNOMED, HPO**). 168 + 42 42 ---- 43 43 44 -=== **3. Diagnostic Framework** === 171 +=== **3. Diagnostic Framework & Clinical Decision Support** === 45 45 46 -==== ** AxesfDiagnosis** ====173 +==== **Tridimensional Diagnostic Axes** ==== 47 47 48 - The framework organizesdiagnosticdatainto threeaxes:175 +**Axis 1: Etiology (Pathogenic Mechanisms)** 49 49 50 -1. **Etiology**: Genetic and environmental risk factors. 51 -1. **Molecular Markers**: Biomarkers such as amyloid-beta, tau, and alpha-synuclein. 52 -1. **Neuroanatomical Correlations**: Results from neuroimaging (e.g., MRI, PET). 177 +* Classification based on **genetic markers, cellular pathways, and environmental risk factors**. 178 +* **AI-assisted annotation** provides **causal interpretations** for clinical use. 53 53 54 - ====**RecommendationSystem**====180 +**Axis 2: Molecular Markers & Biomarkers** 55 55 56 -* Suggestsadditionaltestsor biomarkersif gaps are detected in the data.57 -* Prioritizestests basedonclinicalimpactcost-effectiveness.182 +* **Integration of CSF, blood, and neuroimaging biomarkers**. 183 +* **Structured annotation** highlights **biological pathways linked to diagnosis**. 58 58 185 +**Axis 3: Neuroanatomoclinical Correlations** 186 + 187 +* **MRI and EEG data** provide anatomical and functional insights. 188 +* **AI-generated progression maps** annotate **brain structure-function relationships**. 189 + 59 59 ---- 60 60 61 -=== **4. Computational Workflow** === 192 +=== **4. Computational Workflow & Annotation Pipelines** === 62 62 63 -1. **Data Loading**: Import data from storage (Drive or Bucket). 64 -1. **Feature Engineering**: Generate derived features from the raw data. 65 -1. **Model Training**: 66 -1*. Split data into training, validation, and test sets. 67 -1*. Train models with cross-validation to ensure robustness. 68 -1. **Evaluation**: 69 -1*. Metrics: Accuracy, F1-Score, AUIC for interpretability. 70 -1*. Compare against baseline models and domain benchmarks. 194 +==== **Data Processing Steps** ==== 71 71 196 +**Data Ingestion:** 197 + 198 +* **Harmonized datasets** stored in **EBRAINS Bucket**. 199 +* **Preprocessing pipelines** clean and standardize data. 200 + 201 +**Feature Engineering:** 202 + 203 +* **AI models** extract **clinically relevant patterns** from **EEG, MRI, and biomarkers**. 204 + 205 +**AI-Generated Annotations:** 206 + 207 +* **Automated tagging** of diagnostic features in **structured reports**. 208 +* **Explainability modules (SHAP, LIME)** ensure transparency in predictions. 209 + 210 +**Clinical Decision Support Integration:** 211 + 212 +* **AI-annotated findings** fed into **interactive dashboards**. 213 +* **Clinicians can adjust, validate, and modify annotations**. 214 + 72 72 ---- 73 73 74 -=== **5. Validation** === 217 +=== **5. Validation & Real-World Testing** === 75 75 76 -==== ** InternalValidation** ====219 +==== **Prospective Clinical Study** ==== 77 77 78 -* Test the system using simulated datasets and known clinical cases. 79 -* Fine-tune models based on validation results. 221 +* **Multi-center validation** of AI-based **annotations & risk stratifications**. 222 +* **Benchmarking against clinician-based diagnoses**. 223 +* **Real-world testing** of AI-powered **structured reporting**. 80 80 81 -==== ** ExternalValidation** ====225 +==== **Quality Assurance & Explainability** ==== 82 82 83 -* Collaborate with research institutionsandhospitals totesthesysteminreal-worldsettings.84 -* Use anonymized patientdatansureprivacycompliance.227 +* **Annotations linked to structured knowledge graphs** for improved transparency. 228 +* **Interactive annotation editor** allows clinicians to validate AI outputs. 85 85 86 86 ---- 87 87 88 88 === **6. Collaborative Development** === 89 89 90 -The project is open to contributions from researchers, clinicians, and developers. Key tools include:234 +The project is **open to contributions** from **researchers, clinicians, and developers**. 91 91 236 +**Key tools include:** 237 + 92 92 * **Jupyter Notebooks**: For data analysis and pipeline development. 93 -** Example: [[probabilistic imputation>>https://drive.ebrains.eu/f/4f69ab52f7734ef48217/]]239 +** Example: **probabilistic imputation** 94 94 * **Wiki Pages**: For documenting methods and results. 95 95 * **Drive and Bucket**: For sharing code, data, and outputs. 96 -* **Collaboration with related projects: **For instance: [[//Beyond the hype: AI in dementia – from early risk detection to disease treatment//>>https://www.lethe-project.eu/beyond-the-hype-ai-in-dementia-from-early-risk-detection-to-disease-treatment/]] 242 +* **Collaboration with related projects**: 243 +** Example: **Beyond the hype: AI in dementia – from early risk detection to disease treatment** 97 97 98 98 ---- 99 99 100 100 === **7. Tools and Technologies** === 101 101 102 -* **Programming Languages**: Python for AI and data processing. 103 -* **Frameworks**: 104 -** TensorFlow and PyTorch for machine learning. 105 -** Flask or FastAPI for backend services. 106 -* **Visualization**: Plotly and Matplotlib for interactive and static visualizations. 107 -* **EBRAINS Services**: 108 -** Collaboratory Lab for running Notebooks. 109 -** Buckets for storing large datasets. 249 +==== **Programming Languages:** ==== 250 + 251 +* **Python** for AI and data processing. 252 + 253 +==== **Frameworks:** ==== 254 + 255 +* **TensorFlow** and **PyTorch** for machine learning. 256 +* **Flask** or **FastAPI** for backend services. 257 + 258 +==== **Visualization:** ==== 259 + 260 +* **Plotly** and **Matplotlib** for interactive and static visualizations. 261 + 262 +==== **EBRAINS Services:** ==== 263 + 264 +* **Collaboratory Lab** for running Notebooks. 265 +* **Buckets** for storing large datasets. 266 + 267 +---- 268 + 269 +=== **Why This Matters** === 270 + 271 +* The annotation system ensures that AI-generated insights are structured, interpretable, and clinically meaningful. 272 +* It enables real-time tracking of disease progression across the three diagnostic axes. 273 +* It facilitates integration with electronic health records and decision-support tools, improving AI adoption in clinical workflows.