Changes for page Methodology

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1 1  == **Overview** ==
2 2  
3 -Neurodiagnoses develops 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 -=== **How to Use External Databases in Neurodiagnoses** ===
25 +=== **EBRAINS Medical Informatics Platform (MIP)**. ===
18 18  
19 -Neurodiagnoses integrates data from multiple **biomedical and neurological research databases**. Researchers can follow these steps to **access, prepare, and integrate** data into the Neurodiagnoses framework.
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 -=== **Upload Data to Neurodiagnoses** ===
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 -**For large datasets, please contact project administrators before uploading.**
64 +=== Data Processing & Integration with Clinica.Run ===
56 56  
57 -=== **Integrate Data into AI Models** ===
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 -Neurodiagnoses generates **structured AI reports** for clinicians, 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 -== **Data Security, Compliance & Federated Learning** ==
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 -== **Data Processing & Integration with Clinica.Run** ==
187 +== **4. Computational Workflow & Annotation Pipelines** ==
110 110  
111 -Neurodiagnoses now supports **Clinica.Run**, an **open-source neuroimaging platform** for **multimodal data processing.**
189 +==== **Data Processing Steps** ====
112 112  
113 -=== **How It Works** ===
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 -=== **Implementation Steps** ===
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.Run Documentation>>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 Use GitHub to Develop AI Models & Store Research Data**
214 +==== **Prospective Clinical Study** ====
132 132  
133 -* **GitHub Repository:** AI model training scripts.
134 -* **GitHub Issues:** Tracks ongoing research questions.
135 -* **GitHub Wiki:** Project documentation & user guides.
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 -**We Use EBRAINS for Data & 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 -**For Additional Documentation:**
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.