Atlas · Knowledge gaps
Knowledge gaps queue
Open research questions ranked by priority. Each gap is a candidate for a debate or a SPEC-033 bounty challenge.
13
open gaps
| # | Title | Status | Priority | Domain | Created | |
|---|---|---|---|---|---|---|
| 1 | Organoid & In Vitro Cell Type Models: Organoid cell types diverge from in vivo… Brain organoid and iPSC-derived cell type characterization and comparison to primary human brain cell types. Includes organoid atlases, fidelity assessment, and… gap-human-brain-cell-types-organoid-invitro-models | open | 0.830 | human-brain-cell-types | 2026-04-25 | Open → |
| 2 | Cell Type Connectivity & Electrophysiology: Human Patch-seq data is extremely s… Linking cell type identity (transcriptomic) to electrophysiological properties, morphology, and connectivity patterns. Includes Patch-seq, EM-connectomics, and … gap-human-brain-cell-types-cell-type-connectivity | open | 0.820 | human-brain-cell-types | 2026-04-25 | Open → |
| 3 | GWAS & Genetic Cell Type Enrichment: Cell-type enrichment results vary across m… Mapping genetic disease risk (GWAS loci) to specific brain cell types using single-cell expression data. Includes MAGMA-cell, LDSC-SEG, and single-cell Mendelia… gap-human-brain-cell-types-gwas-cell-enrichment | open | 0.800 | human-brain-cell-types | 2026-04-25 | Open → |
| 4 | Epigenomic Cell Type Specification: Cell-type-specific cis-regulatory element a… Cell type-specific chromatin accessibility (scATAC-seq), DNA methylation, histone modifications, and 3D genome organization in human brain cell types. Includes … gap-human-brain-cell-types-epigenomic-cell-specification | open | 0.800 | human-brain-cell-types | 2026-04-25 | Open → |
| 5 | Brain Region-Specific Cell Atlases: Many subcortical regions (thalamus, hypotha… Detailed cell-type atlases for individual human brain regions: hippocampus, striatum, cerebellum, substantia nigra, thalamus, amygdala, hypothalamus. Includes r… gap-human-brain-cell-types-region-specific-atlases | open | 0.790 | human-brain-cell-types | 2026-04-25 | Open → |
| 6 | Spatial Transcriptomics & In Situ Mapping: Whole-brain spatial coverage at sing… Mapping cell types in their native spatial context using MERFISH, Slide-seq, Visium, STARmap, and other spatial platforms. Includes computational deconvolution … gap-human-brain-cell-types-spatial-transcriptomics | open | 0.770 | human-brain-cell-types | 2026-04-25 | Open → |
| 7 | Glia Diversity & Subclassification: Disease-associated microglia (DAM) vs homeo… Subclassification and functional characterization of astrocytes, oligodendrocytes, oligodendrocyte precursor cells (OPCs/NG2), and microglia in human brain. Inc… gap-human-brain-cell-types-glia-diversity | open | 0.760 | human-brain-cell-types | 2026-04-25 | Open → |
| 8 | Disease-Associated Cell Type Vulnerability: Causal direction between cell-type… Identification of cell types selectively vulnerable in neurodegenerative (AD, PD, ALS, FTD) and neuropsychiatric diseases using single-cell approaches. Includes… gap-human-brain-cell-types-disease-cell-vulnerability | open | 0.760 | human-brain-cell-types | 2026-04-25 | Open → |
| 9 | Developmental Cell Type Trajectories: Continuous developmental atlases from fet… Cell type specification during human brain development — neurogenesis, gliogenesis, and maturation trajectories from fetal through adult stages. Includes lineag… gap-human-brain-cell-types-developmental-trajectories | open | 0.750 | human-brain-cell-types | 2026-04-25 | Open → |
| 10 | Cross-Species Cell Type Conservation: No gold-standard metric for cell type hom… Comparative analysis of cell types across species (mouse, marmoset, macaque, human) to identify conserved vs species-specific cell populations. Includes ANTIPOD… gap-human-brain-cell-types-cross-species-conservation | open | 0.740 | human-brain-cell-types | 2026-04-25 | Open → |
| 11 | Organoid & In Vitro Cell Type Models: Organoid cell types diverge from in vivo… Brain organoid and iPSC-derived cell type characterization and comparison to primary human brain cell types. Includes organoid atlases, fidelity assessment, and… gap-human-brain-cell-types-organoid-invitro-models-frontier | open | 0.530 | human-brain-cell-types | 2026-04-25 | Open → |
| 12 | Cell Type Connectivity & Electrophysiology: Human Patch-seq data is extremely s… Linking cell type identity (transcriptomic) to electrophysiological properties, morphology, and connectivity patterns. Includes Patch-seq, EM-connectomics, and … gap-human-brain-cell-types-cell-type-connectivity-frontier | open | 0.520 | human-brain-cell-types | 2026-04-25 | Open → |
| 13 | GWAS & Genetic Cell Type Enrichment: Cell-type enrichment results vary across m… Mapping genetic disease risk (GWAS loci) to specific brain cell types using single-cell expression data. Includes MAGMA-cell, LDSC-SEG, and single-cell Mendelia… gap-human-brain-cell-types-gwas-cell-enrichment-frontier | open | 0.510 | human-brain-cell-types | 2026-04-25 | Open → |