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5		-= //A new tridimensional diagnostic framework for neurodegenerative diseases// =
	5	+= //A new tridimensional diagnostic framework for complex CNS diseases// =
6	6
7		-This project is focused on developing a novel nosological and diagnostic framework for neurodegenerative diseases by using advanced AI techniques and integrating data from neuroimaging, biomarkers, and biomedical ontologies.
	7	+This project is focused on developing a novel nosological and diagnostic framework for complex CNS diseases by using advanced AI techniques and integrating data from neuroimaging, biomarkers, and biomedical ontologies.
8	8	We aim to create a structured, interpretable, and scalable diagnostic tool.
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16	16	= What is this about and what can I find here? =
17	17
18		-== **Overview** ==
	18	+= **Overview** =
19	19
20		-The //Tridimensional Diagnostic Framework// redefines how neurodegenerative diseases (NDD) are classified by focusing on:
	20	+The classification and diagnosis of central nervous system (CNS) diseases have long been constrained by traditional, phenotype-based approaches that often fail to capture the complex interplay of pathophysiological mechanisms, molecular biomarkers, and neuroanatomical changes.
21	21
22		-* **Axis 1**: Etiology (genetic or other causes of diseases).
23		-* **Axis 2**: Molecular Markers (biomarkers).
24		-* **Axis 3**: Neuroanatomoclinical correlations (linking clinical symptoms to structural changes in the nervous system).
	22	+**Neurodiagnoses** redefines this landscape by integrating advanced AI with multi-modal data—including genetics, neuroimaging, biomarkers, and digital health records—to create a more precise, scalable, and data-driven diagnostic system.
25	25
	24	+Additionally, **Neurodiagnoses is now expanding into disease prediction and biomarker estimation**, integrating state-of-the-art machine learning models to enhance precision diagnostics and disease progression forecasting.
26	26
27		-[[Neurodegenerative diseases can be studied and classified in a tridimensional scheme with three axes: anatomic–clinical, molecular, and etiologic. CSF, cerebrospinal fluid; FDG, fluorodeoxyglucose; MRI, magnetic resonance imaging; PET, positron emission tomography.>>image:tridimensional.png||alt="tridimensional view of neurodegenerative diseases"]]
	26	+On this page, you will find:
28	28
	28	+* Detailed descriptions of both the clinical diagnostic tools and the research framework.
	29	+* Access to our AI models, data processing pipelines, and digital twin simulations.
	30	+* Collaborative resources for researchers, clinicians, and AI developers.
	31	+* Guidelines and instructions on how to contribute to and expand the project.
29	29
30		-This methodology enables:
	33	+== **The role of AI-powered annotation** ==
31	31
32		-* Greater precision in diagnosis.
33		-* Integration of incomplete datasets using AI-driven probabilistic modeling.
34		-* Stratification of patients for personalized treatment.
	35	+To enhance standardization, interpretability, and clinical application, the framework integrates an AI-powered annotation system, which:
35	35
36		-== **Diagnostic Axes** ==
	37	+* Assigns structured metadata tags to diagnostic features.
	38	+* Provides real-time contextual explanations for AI-based classifications.
	39	+* Tracks longitudinal disease progression using timestamped AI annotations.
	40	+* Improves AI model transparency through interpretability tools (e.g., SHAP analysis).
	41	+* Facilitates decision-making for clinicians by linking annotations to standardized biomedical ontologies (SNOMED, HPO).
37	37
	43	+Neurodiagnoses provides **two complementary AI-driven diagnostic approaches**:
	44	+
	45	+1. **Probabilistic Diagnosis**
	46	+ * AI assigns probability scores to multiple possible diagnoses based on biomarker, imaging, and clinical data.
	47	+ * Useful for differential diagnosis and treatment decision-making.
	48	+
	49	+2. **Tridimensional Diagnosis**
	50	+ * Diagnoses are structured based on:
	51	+ - **(1) Etiology** (genetic, autoimmune, metabolic, infectious).
	52	+ - **(2) Molecular Biomarkers** (amyloid-beta, tau, inflammatory markers, EEG patterns).
	53	+ - **(3) Neuroanatomoclinical Correlations** (brain atrophy, connectivity alterations).
	54	+ * This approach enables precise disease subtyping and biologically meaningful classification, particularly useful for tracking progression over time.
	55	+
	56	+Both systems will be offered for every patient case, allowing clinicians to compare AI-generated probabilistic diagnosis with a structured tridimensional classification.
	57	+
	58	+== **Disease Prediction and Biomarker Estimation** ==
	59	+
	60	+Neurodiagnoses is also implementing **biomarker prediction and disease progression modeling**, using advanced machine learning techniques:
	61	+
	62	+* **Biomarker Prediction:**
	63	+ - Estimation of fluid-based and neuroimaging biomarkers without invasive testing.
	64	+ - Multi-modal machine learning models for predicting molecular and clinical markers.
	65	+
	66	+* **Disease Progression Modeling:**
	67	+ - AI-driven forecasts for neurodegenerative disease evolution.
	68	+ - Probabilistic disease conversion models (e.g., MCI to AD, Parkinson's prodromal phases).
	69	+ - Survival models and risk stratification for precision medicine applications.
	70	+
	71	+== **The case of neurodegenerative diseases** ==
	72	+
	73	+There have been described these 3 diagnostic axes:
	74	+
	75	+[[Neurodegenerative diseases can be studied and classified in a tridimensional scheme with three axes: anatomic–clinical, molecular, and etiologic. CSF, cerebrospinal fluid; FDG, fluorodeoxyglucose; MRI, magnetic resonance imaging; PET, positron emission tomography.>>image:tridimensional.png||alt="tridimensional view of neurodegenerative diseases"]]
	76	+
38	38	* (((
39	39	**Axis 1: Etiology**
40		-
41	41	* //Description//: Focuses on genetic and sporadic causes, identifying risk factors and potential triggers.
42	42	* //Examples//: APOE ε4 as a genetic risk factor, or cardiovascular health affecting NDD progression.
43		-* //Tests//: Genetic testing, lifestyle and cardiovascular screening.
	81	+* //Tests//: Genetic testing, lifestyle, and cardiovascular screening.
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45	45	* (((
46	46	**Axis 2: Molecular Markers**
47		-
48	48	* //Description//: Analyzes primary (amyloid-beta, tau) and secondary biomarkers (NFL, GFAP) for tracking disease progression.
49	49	* //Examples//: CSF amyloid-beta concentrations to confirm Alzheimer’s pathology.
50	50	* //Tests//: Blood/CSF biomarkers, PET imaging (Tau-PET, Amyloid-PET).
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52	52	* (((
53	53	**Axis 3: Neuroanatomoclinical**
54		-
55	55	* //Description//: Links clinical symptoms to neuroanatomical changes, such as atrophy or functional impairments.
56	56	* //Examples//: Hippocampal atrophy correlating with memory deficits.
57	57	* //Tests//: MRI volumetrics, FDG-PET, neuropsychological evaluations.
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61	61
62	62	This system enhances:
63	63
64		-* **Research**: By stratifying patients, reduces cohort heterogeneity in clinical trials.
	100	+* **Research**: By stratifying patients, reducing cohort heterogeneity in clinical trials.
65	65	* **Clinical Practice**: Provides dynamic diagnostic annotations with timestamps for longitudinal tracking.
66	66
67		-== Who has access? ==
68		-
69		-We welcome contributions from the global community. Let’s build the future of neurological diagnostics together!
70		-
71	71	== How to Contribute ==
72	72
73	73	* Access the `/docs` folder for guidelines.
74	74	* Use `/code` for the latest AI pipelines.
75	75	* Share feedback and ideas in the wiki discussion pages.
	108	+* Join our [[Community on EBRAINS>>https://community.ebrains.eu/_ideas/-OJHTZrpKrrrkx-u0djj/about]]
	109	+* Join the [[Discussion Forum at GitHub>>https://github.com/Fundacion-de-Neurociencias/neurodiagnoses/discussions]]
76	76
77	77	== Key Objectives ==
78	78
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79	79	* Develop interpretable AI models for diagnosis and progression tracking.
80	80	* Integrate data from Human Phenotype Ontology (HPO), Gene Ontology (GO), and other biomedical resources.
81	81	* Foster collaboration among neuroscientists, AI researchers, and clinicians.
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	116	+* Provide a dual diagnostic system:
	117	+ ** Probabilistic Diagnosis – AI assigns multiple traditional possible diagnoses with probability percentages.
	118	+ ** Tridimensional Diagnosis – AI structures diagnoses based on etiology, biomarkers, and neuroanatomical correlations.
	119	+* Implement disease prediction models for neurodegenerative conditions.
	120	+* Predict biomarkers from non-invasive data sources.
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	122	+== Who has access? ==
84	84
	124	+We welcome contributions from the global community. Join us as we transform CNS diagnostics and drive precision medicine forward through a collaborative, open-source approach. Let’s build the future of neurological diagnostics together!
	125	+)))
	126	+
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87	87	{{box title="**Contents**"}}
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94	94	* `/code`: Machine learning pipelines and scripts.
95	95	* `/data`: Sample datasets for testing.
96	96	* `/outputs`: Generated models, visualizations, and reports.
	139	+* [[Methodology>>url:https://wiki.ebrains.eu/bin/view/Collabs/neurodiagnoses/Methodology/]]
	140	+* [[Notebooks>>Notebooks]]
	141	+* [[Results>>url:https://wiki.ebrains.eu/bin/view/Collabs/neurodiagnoses/Results/]]
	142	+* [[to-do-list>>to-do-list]]
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