diff --git a/src/res/ext/MNI152.json b/src/res/ext/MNI152.json
index 7b9f06d945fe5c9c21ca785e74d17a75e3352b9c..202a4b61ec03a960b382762fd5498b4d41887908 100644
--- a/src/res/ext/MNI152.json
+++ b/src/res/ext/MNI152.json
@@ -5204,6 +5204,9 @@
                           "arealabel": "CA",
                           "status": "publicP",
                           "labelIndex": null,
+                          "relatedAreas":[
+                            "CA1 (Hippocampus)"
+                          ],
                           "synonyms": [],
                           "rgb": [
                             250,
diff --git a/src/res/ext/colin.json b/src/res/ext/colin.json
index 6c71c879011f52a8a68b78ef6c1065058fec1fda..30320fa120475c8464f62a60268d5e97db6c5f8d 100644
--- a/src/res/ext/colin.json
+++ b/src/res/ext/colin.json
@@ -5619,6 +5619,9 @@
                           "arealabel": "CA",
                           "status": "publicP",
                           "labelIndex": null,
+                          "relatedAreas":[
+                            "CA1 (Hippocampus)"
+                          ],
                           "doi": "https://doi.org/10.25493/B85T-D88",
                           "synonyms": [],
                           "rgb": [