diff --git a/src/res/ext/bigbrain.json b/src/res/ext/bigbrain.json
index adbc484da46e62a041e2ba45f34bf9fab4e6d20c..a58de96c8fd583f90353292d2a4766ac195bcc39 100644
--- a/src/res/ext/bigbrain.json
+++ b/src/res/ext/bigbrain.json
@@ -1124,6 +1124,80 @@
                               ]
                             }
                           ]
+                        },
+                        {
+                          "name": "medial geniculate body",
+                          "children": [
+                            {
+                              "name": "MGB-MGBd (CGM, Metathalamus)",
+                              "ngId": "MGBd",
+                              "status": "fully mapped",
+                              "labelIndex": 1,
+                              "children": [],
+                              "fullId": {
+                                "kg": {
+                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
+                                  "kgId": "b90d1d0c-6032-4d7e-b659-049a8dac4215"
+                                }
+                              },
+                              "relatedAreas": [],
+                              "originDatasets":[
+                                {
+                                  "kgSchema": "minds/core/dataset/v1.0.0",
+                                  "kgId": "6e3ca542-af3b-4869-b3ec-38986c4b1395",
+                                  "format": {
+                                    "name": "Full 3D map"
+                                  }
+                                }
+                              ]
+                            },
+                            {
+                              "name": "MGB-MGBm (CGM, Metathalamus)",
+                              "ngId": "MGBm",
+                              "status": "fully mapped",
+                              "labelIndex": 1,
+                              "children": [],
+                              "fullId": {
+                                "kg": {
+                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
+                                  "kgId": "b90d1d0c-6032-4d7e-b659-049a8dac4215"
+                                }
+                              },
+                              "relatedAreas": [],
+                              "originDatasets":[
+                                {
+                                  "kgSchema": "minds/core/dataset/v1.0.0",
+                                  "kgId": "6e3ca542-af3b-4869-b3ec-38986c4b1395",
+                                  "format": {
+                                    "name": "Full 3D map"
+                                  }
+                                }
+                              ]
+                            },
+                            {
+                              "name": "MGB-MGBv (CGM, Metathalamus)",
+                              "ngId": "MGBv",
+                              "status": "fully mapped",
+                              "labelIndex": 1,
+                              "children": [],
+                              "fullId": {
+                                "kg": {
+                                  "kgSchema": "minds/core/parcellationregion/v1.0.0",
+                                  "kgId": "b90d1d0c-6032-4d7e-b659-049a8dac4215"
+                                }
+                              },
+                              "relatedAreas": [],
+                              "originDatasets":[
+                                {
+                                  "kgSchema": "minds/core/dataset/v1.0.0",
+                                  "kgId": "6e3ca542-af3b-4869-b3ec-38986c4b1395",
+                                  "format": {
+                                    "name": "Full 3D map"
+                                  }
+                                }
+                              ]
+                            }
+                          ]
                         }
                       ]
                     }
diff --git a/src/res/ext/bigbrainNehubaConfig.json b/src/res/ext/bigbrainNehubaConfig.json
index dfe249aa70b427876904d5a138d035056bd20280..04142e6ad796f0c67dfc6d7df3e65a63a5d3c164 100644
--- a/src/res/ext/bigbrainNehubaConfig.json
+++ b/src/res/ext/bigbrainNehubaConfig.json
@@ -478,6 +478,111 @@
             ]
           ]
         },
+        "MGBd": {
+          "type": "segmentation",
+          "source": "precomputed://https://neuroglancer-dev.humanbrainproject.org/precomputed/BigBrainRelease.2015/2021_04_27_mgb/2021_04_27_MGBd/",
+          "segments": [
+            "0"
+          ],
+          "selectedAlpha": 0.45,
+          "notSelectedAlpha": 0,
+          "transform": [
+            [
+              1,
+              0,
+              0,
+              -70677184.0
+            ],
+            [
+              0,
+              1,
+              0,
+              -7290000.0
+            ],
+            [
+              0,
+              0,
+              1,
+              -58788284.0
+            ],
+            [
+              0,
+              0,
+              0,
+              1
+            ]
+          ]
+        },
+        "MGBm": {
+          "type": "segmentation",
+          "source": "precomputed://https://neuroglancer-dev.humanbrainproject.org/precomputed/BigBrainRelease.2015/2021_04_27_mgb/2021_04_27_MGBm/",
+          "segments": [
+            "0"
+          ],
+          "selectedAlpha": 0.45,
+          "notSelectedAlpha": 0,
+          "transform": [
+            [
+              1,
+              0,
+              0,
+              -70677184.0
+            ],
+            [
+              0,
+              1,
+              0,
+              -7290000.0
+            ],
+            [
+              0,
+              0,
+              1,
+              -58788284.0
+            ],
+            [
+              0,
+              0,
+              0,
+              1
+            ]
+          ]
+        },
+        "MGBv": {
+          "type": "segmentation",
+          "source": "precomputed://https://neuroglancer-dev.humanbrainproject.org/precomputed/BigBrainRelease.2015/2021_04_27_mgb/2021_04_27_MGBv/",
+          "segments": [
+            "0"
+          ],
+          "selectedAlpha": 0.45,
+          "notSelectedAlpha": 0,
+          "transform": [
+            [
+              1,
+              0,
+              0,
+              -70677184.0
+            ],
+            [
+              0,
+              1,
+              0,
+              -7290000.0
+            ],
+            [
+              0,
+              0,
+              1,
+              -58788284.0
+            ],
+            [
+              0,
+              0,
+              0,
+              1
+            ]
+          ]
+        },
         "cortical layers": {
           "type": "segmentation",
           "source": "precomputed://https://neuroglancer-dev.humanbrainproject.org/precomputed/BigBrainRelease.2015/2019_05_27_cortical_layers",