Changes for page Methodology
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... ... @@ -1,154 +1,189 @@ 1 -== **Overview** == 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/users/manuelmenendezgonzalez/projects/1/views/1]]** 12 12 13 ----- 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** 14 14 15 -== **Data Integration & External Databases** == 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 +))) 16 16 17 - === **How to Use External Databases in Neurodiagnoses** ===21 +---- 18 18 19 - Neurodiagnosesintegrates data from multiple**biomedical and neurological research databases**.Researchers can followthese steps to **access,prepare, and integrate** dataintothe Neurodiagnosesframework.23 +=== **1. Data Integration** === 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]] 25 +==== **Data Sources** ==== 23 23 24 - ===**RegisterforAccess**===27 +**Biomedical Ontologies & Databases:** 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).** 29 +* **Human Phenotype Ontology (HPO)** for symptom annotation. 30 +* **Gene Ontology (GO)** for molecular and cellular processes. 29 29 30 - ===**Download& PrepareData**===32 +**Dimensionality Reduction and Interpretability:** 31 31 32 -Once access is granted, download datasets **following compliance guidelines** and **format requirements** for integration. 34 +* **Evaluate interpretability** using metrics like the **Area Under the Interpretability Curve (AUIC)**. 35 +* **Leverage DEIBO (Data-driven Embedding Interpretation Based on Ontologies)** to connect model dimensions to ontology concepts. 33 33 34 -** Supported File Formats**37 +**Neuroimaging & EEG/MEG Data:** 35 35 36 -* **Tabular Data**: .csv, .tsv 37 -* **Neuroimaging Data**: .nii, .dcm 38 -* **Genomic Data**: .fasta, .vcf 39 -* **Clinical Metadata**: .json, .xml 39 +* **MRI volumetric measures** for brain atrophy tracking. 40 +* **EEG functional connectivity patterns** (AI-Mind). 40 40 41 -** Mandatory FieldsforIntegration**42 +**Clinical & Biomarker Data:** 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 44 +* **CSF biomarkers** (Amyloid-beta, Tau, Neurofilament Light). 45 +* **Sleep monitoring and actigraphy data** (ADIS). 49 49 50 - ===**UploadDatato Neurodiagnoses**===47 +**Federated Learning Integration:** 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]] 49 +* **Secure multi-center data harmonization** (PROMINENT). 54 54 55 - **For large datasets, please contact project administrators before uploading.**51 +---- 56 56 57 -=== ** Integrate DataintoAIModels** ===53 +==== **Annotation System for Multi-Modal Data** ==== 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.** 55 +To ensure **structured integration of diverse datasets**, **Neurodiagnoses** will implement an **AI-driven annotation system**, which will: 62 62 63 -**Reference:** [[Data Processing Guide>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/data_processing.md]] 57 +* **Assign standardized metadata tags** to diagnostic features. 58 +* **Provide contextual explanations** for AI-based classifications. 59 +* **Track temporal disease progression annotations** to identify long-term trends. 64 64 65 65 ---- 66 66 67 -== **AI- Powered Annotation & Machine Learning Models** ==63 +=== **2. AI-Based Analysis** === 68 68 69 - Neurodiagnosesapplies**advanced machinelearningmodels**to classify CNS diseases,extract features from **biomarkers and neuroimaging**,and provideAI-poweredannotation.**65 +==== **Machine Learning & Deep Learning Models** ==== 70 70 71 - ===**AIModelCategories**===67 +**Risk Prediction Models:** 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 69 +* **LETHE’s cognitive risk prediction model** integrated into the annotation framework. 79 79 80 -** Reference:** [[AI Model Documentation>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/models.md]]71 +**Biomarker Classification & Probabilistic Imputation:** 81 81 73 +* **KNN Imputer** and **Bayesian models** used for handling **missing biomarker data**. 74 + 75 +**Neuroimaging Feature Extraction:** 76 + 77 +* **MRI & EEG data** annotated with **neuroanatomical feature labels**. 78 + 79 +==== **AI-Powered Annotation System** ==== 80 + 81 +* Uses **SHAP-based interpretability tools** to explain model decisions. 82 +* Generates **automated clinical annotations** in structured reports. 83 +* Links findings to **standardized medical ontologies** (e.g., **SNOMED, HPO**). 84 + 82 82 ---- 83 83 84 -== **Clinical Decision Support & Tridimensional Diagnostic Framework** ==87 +=== **3. Diagnostic Framework & Clinical Decision Support** === 85 85 86 - Neurodiagnosesgenerates**structuredAI reports**for clinicians, combining:89 +==== **Tridimensional Diagnostic Axes** ==== 87 87 88 -**Probabilistic Diagnosis:** AI-generated ranking of potential diagnoses. 89 -**Tridimensional Classification:** Standardized diagnostic reports based on: 91 +**Axis 1: Etiology (Pathogenic Mechanisms)** 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. 93 +* Classification based on **genetic markers, cellular pathways, and environmental risk factors**. 94 +* **AI-assisted annotation** provides **causal interpretations** for clinical use. 94 94 95 -** Reference:** [[TridimensionalClassificationGuide>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/classification.md]]96 +**Axis 2: Molecular Markers & Biomarkers** 96 96 98 +* **Integration of CSF, blood, and neuroimaging biomarkers**. 99 +* **Structured annotation** highlights **biological pathways linked to diagnosis**. 100 + 101 +**Axis 3: Neuroanatomoclinical Correlations** 102 + 103 +* **MRI and EEG data** provide anatomical and functional insights. 104 +* **AI-generated progression maps** annotate **brain structure-function relationships**. 105 + 97 97 ---- 98 98 99 -== ** DataSecurity,Compliance&FederatedLearning** ==108 +=== **4. Computational Workflow & Annotation Pipelines** === 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. 110 +==== **Data Processing Steps** ==== 104 104 105 -** Reference:** [[DataProtection& Federated Learning>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/security.md]]112 +**Data Ingestion:** 106 106 114 +* **Harmonized datasets** stored in **EBRAINS Bucket**. 115 +* **Preprocessing pipelines** clean and standardize data. 116 + 117 +**Feature Engineering:** 118 + 119 +* **AI models** extract **clinically relevant patterns** from **EEG, MRI, and biomarkers**. 120 + 121 +**AI-Generated Annotations:** 122 + 123 +* **Automated tagging** of diagnostic features in **structured reports**. 124 +* **Explainability modules (SHAP, LIME)** ensure transparency in predictions. 125 + 126 +**Clinical Decision Support Integration:** 127 + 128 +* **AI-annotated findings** fed into **interactive dashboards**. 129 +* **Clinicians can adjust, validate, and modify annotations**. 130 + 107 107 ---- 108 108 109 -== ** DataProcessing&Integrationwith Clinica.Run** ==133 +=== **5. Validation & Real-World Testing** === 110 110 111 - Neurodiagnoses now supports**Clinica.Run**, an **open-source neuroimaging platform**for **multimodal data processing.**135 +==== **Prospective Clinical Study** ==== 112 112 113 -=== **How It Works** === 137 +* **Multi-center validation** of AI-based **annotations & risk stratifications**. 138 +* **Benchmarking against clinician-based diagnoses**. 139 +* **Real-world testing** of AI-powered **structured reporting**. 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.** 141 +==== **Quality Assurance & Explainability** ==== 118 118 119 -=== **Implementation Steps** === 143 +* **Annotations linked to structured knowledge graphs** for improved transparency. 144 +* **Interactive annotation editor** allows clinicians to validate AI outputs. 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. 146 +---- 124 124 125 -** Reference:**[[Clinica.Run Documentation>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/blob/main/docs/clinica_run.md]]148 +=== **6. Collaborative Development** === 126 126 150 +The project is **open to contributions** from **researchers, clinicians, and developers**. 151 + 152 +**Key tools include:** 153 + 154 +* **Jupyter Notebooks**: For data analysis and pipeline development. 155 +** Example: **probabilistic imputation** 156 +* **Wiki Pages**: For documenting methods and results. 157 +* **Drive and Bucket**: For sharing code, data, and outputs. 158 +* **Collaboration with related projects**: 159 +** Example: **Beyond the hype: AI in dementia – from early risk detection to disease treatment** 160 + 127 127 ---- 128 128 129 -== ** CollaborativeDevelopment & Research** ==163 +=== **7. Tools and Technologies** === 130 130 131 -** We Use GitHub toDevelop AI Models & Store ResearchData**165 +==== **Programming Languages:** ==== 132 132 133 -* **GitHub Repository:** AI model training scripts. 134 -* **GitHub Issues:** Tracks ongoing research questions. 135 -* **GitHub Wiki:** Project documentation & user guides. 167 +* **Python** for AI and data processing. 136 136 137 -** We Use EBRAINS forData & Collaboration**169 +==== **Frameworks:** ==== 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. 171 +* **TensorFlow** and **PyTorch** for machine learning. 172 +* **Flask** or **FastAPI** for backend services. 142 142 143 - **Jointhe Project Forum:**[[GitHub Discussions>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/discussions]]174 +==== **Visualization:** ==== 144 144 145 - ----176 +* **Plotly** and **Matplotlib** for interactive and static visualizations. 146 146 147 -** ForAdditionalDocumentation:**178 +==== **EBRAINS Services:** ==== 148 148 149 -* ** GitHubRepository:**[[NeurodiagnosesAI Models>>url:https://github.com/Fundacion-de-Neurociencias/neurodiagnoses]]150 -* ** EBRAINS Wiki:**[[Neurodiagnoses ResearchCollaboration>>url:https://wiki.ebrains.eu/bin/view/Collabs/neurodiagnoses/]]180 +* **Collaboratory Lab** for running Notebooks. 181 +* **Buckets** for storing large datasets. 151 151 152 152 ---- 153 153 154 -**Neurodiagnoses is Open for Contributions – Join Us Today!** 185 +=== **Why This Matters** === 186 + 187 +* **The annotation system ensures that AI-generated insights are structured, interpretable, and clinically meaningful.** 188 +* **It enables real-time tracking of disease progression across the three diagnostic axes.** 189 +* **It facilitates integration with electronic health records and decision-support tools, improving AI adoption in clinical workflows.**