Open research MRI · 3D

OpenNeuro ds007401 / sub-4082 / CC0. Brain-masked T1 + FLAIR. Example drawings are not clinical labels.

Display

Sequence

Threshold Surface

Low High Opacity Colors

Low High

Brain only (remove skull & scalp)

Clinician annotations

Your notes and painted masks. Orange: selected annotation; cyan: other clinician annotations. D markers identify your notes.

Show clinician notes and masks

Import JSON

Opening local annotation workspace…

MCP annotations ● live

Points an AI assistant suggests a doctor looks at. It is not a diagnosis and can miss things or flag normal anatomy.

Show numbered markers

No MCP annotations yet. MedGemma sampled-plane reviews appear in their own group below.

MedGemma review

Unverified sampled-plane flags, not localized lesions. The current setup flagged every plane in the pilot; no clinical urgency is assigned.

Show selected review plane Show

Heterogeneity maps

Color maps of voxels that are statistically unusual for this scan.

Threshold Opacity See hotspots through the surface Hide likely artifacts & normal anatomy

Measure

Click or drag in a slice to move the crosshair.

Cut

Cut follows slice navigation Keep

Whole volume. Click or scroll a 2D slice to cut at its plane. Sliders define a manual box cut.

R ← L min max Post → Ant max Inf → Sup max

Slices (2D)

Level Width

Scroll in a slice to step through it.

View

Auto-rotate

Drag to rotate · right-drag or shift-drag to pan · scroll to zoom.

Crosshair

1–4 or double-click: maximize a pane · Esc restore · F full screen

Decompressing volumes…