diff --git a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.component.ts b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.component.ts
index 3a0165f348cfdec0842b0ccea237cd1f4263a7d8..c4690d27534a803f23ee55d4732e0927210148da 100644
--- a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.component.ts
+++ b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.component.ts
@@ -109,19 +109,22 @@ export class BsFeatureIEEGCmp extends BsRegionInputBase implements OnDestroy{
     }[]
 
     for (const detail of this.results) {
-      for (const key in detail.__contact_points){
-        const cp = detail.__contact_points[key]
-        lms.push({
-          "@id": `${detail["@id"]}#${key}`,
-          id: `${detail["@id"]}#${key}`,
-          name: `${detail.name}#${key}`,
-          position: cp.coord,
-          color: cp.inRoi ? [255, 100, 100]: [255,255,255],
-          showInSliceView: this.openElectrodeIdSet.has(detail["@id"])
-        })
+      for (const key in detail.__electrodes){
+        const electorde = detail.__electrodes[key]
+        if (!electorde.inRoi) continue
+        for (const cp_key in electorde.__contact_points) {
+          const cp = electorde.__contact_points[cp_key]
+          lms.push({
+            "@id": `${detail.name}:${key}#${cp_key}`,
+            id: `${detail.name}:${key}#${cp_key}`,
+            name: `${detail.name}:${key}#${cp_key}`,
+            position: cp.coord,
+            color: cp.inRoi ? [255, 100, 100]: [255,255,255],
+            showInSliceView: this.openElectrodeIdSet.has(electorde.id)
+          })
+        }
       }
     }
-
     this.loadedLms = lms
 
     this.store.dispatch(
diff --git a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.template.html b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.template.html
index faa88471f741d6afa2bab07fe611c06836d8183a..d8c35529a494deea91151a21df494b9cb0c21caa 100644
--- a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.template.html
+++ b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCmp/ieeg.template.html
@@ -3,17 +3,30 @@
 </ng-template>
 
 <ng-template #contenttmpl>
-  <mat-expansion-panel *ngFor="let datum of (results$ | async)"
-    [expanded]="openElectrodeId$ | async | arrayContains : datum['@id']"
-    (opened)="handleDatumExpansion(datum['@id'], true)"
-    (closed)="handleDatumExpansion(datum['@id'], false)"
+  <ng-container *ngFor="let result of results$ | async">
+    <ng-container *ngFor="let item of result | getProperty : '__electrodes' | keyvalue">
+      <ng-template [ngIf]="item.value.inRoi">
+        <ng-container *ngTemplateOutlet="electrodeTmpl; context: { $implicit: item.value }">
+        </ng-container>
+      </ng-template>
+    </ng-container>
+  </ng-container>
+</ng-template>
+
+<!-- template for electrode -->
+<ng-template #electrodeTmpl let-electrode>
+
+  <mat-expansion-panel
+    [expanded]="openElectrodeId$ | async | arrayContains : electrode.id"
+    (opened)="handleDatumExpansion(electrode.id, true)"
+    (closed)="handleDatumExpansion(electrode.id, false)"
     togglePosition="before">
     <mat-expansion-panel-header>
       <mat-panel-title>
         Electrode
       </mat-panel-title>
       <mat-panel-description class="text-nowrap">
-        {{ datum['@id'] }}
+        {{ electrode.id }}
       </mat-panel-description>
     </mat-expansion-panel-header>
 
@@ -39,11 +52,11 @@
     <section class="d-flex align-items-center mt-1">
       <section id="contact-points-list" class="flex-grow-1 flex-shrink-1 overflow-x-auto">
         <div role="list">
-          <mat-chip *ngFor="let item of datum['__contact_points'] | keyvalue"
-            [matTooltip]="item['value']['coord']"
-            (click)="handleContactPtClk(item['value'])"
+          <mat-chip *ngFor="let cp_kv of electrode['__contact_points'] | keyvalue"
+            [matTooltip]="cp_kv['value']['coord']"
+            (click)="handleContactPtClk(cp_kv['value'])"
             class="ml-1">
-            {{ item['key'] }}
+            {{ cp_kv['key'] }}
           </mat-chip>
         </div>
       </section>
diff --git a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCtrl.directive.ts b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCtrl.directive.ts
index 2fa03bf46adda065f6bf3121289464a2f988b93f..85997dcd7100e63cd4289839b7bab29cdd2cbc43 100644
--- a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCtrl.directive.ts
+++ b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/ieegCtrl.directive.ts
@@ -5,6 +5,7 @@ import { BsRegionInputBase } from "../bsRegionInputBase";
 import { REGISTERED_FEATURE_INJECT_DATA } from "../constants";
 import { BsFeatureService, TFeatureCmpInput } from "../service";
 import { IBSSummaryResponse, IRegionalFeatureReadyDirective } from "../type";
+import { SIIBRA_FEATURE_KEY } from './type'
 
 @Directive({
   selector: '[bs-features-ieeg-directive]',
@@ -13,12 +14,9 @@ import { IBSSummaryResponse, IRegionalFeatureReadyDirective } from "../type";
 
 export class BsFeatureIEEGDirective extends BsRegionInputBase implements IRegionalFeatureReadyDirective, OnDestroy{
 
-  public results$: Observable<IBSSummaryResponse['IEEG_Electrode'][]>  = this.region$.pipe(
-    switchMap(() => merge(
-      of([]),
-      this.getFeatureInstancesList('IEEG_Electrode').pipe(
-        catchError(() => of([]))
-      )
+  public results$: Observable<IBSSummaryResponse['IEEG_Dataset'][]>  = this.region$.pipe(
+    switchMap(() => this.getFeatureInstancesList(SIIBRA_FEATURE_KEY).pipe(
+      catchError(() => of([]))
     )),
   )
   public busy$ = this.region$.pipe(
diff --git a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/type.ts b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/type.ts
index fb910a33c586525d52bf0168335f19f9b20adad5..60d27b1eeec12883f9c598f136a0b254ac157996 100644
--- a/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/type.ts
+++ b/src/atlasComponents/regionalFeatures/bsFeatures/ieeg/type.ts
@@ -9,12 +9,28 @@ export type TContactPoint = {
   'inRoi'?: boolean
 }
 
+export type TElectrode = {
+  id: string
+  subject_id: string
+  __contact_points: {
+    [key: string]: TContactPoint
+  }
+  inRoi: boolean
+}
+
 export type TBSDEtail = {
+  '__kg_id': string
+  '__electrodes': {
+    [key: string]: TElectrode
+  }
+}
+export type _TBSDEtail = {
   '__kg_id': string
   '__contact_points': {
     [key: string]: TContactPoint
   }
 }
 
-export const SIIBRA_FEATURE_KEY = 'IEEG_Electrode'
+export const SIIBRA_FEATURE_KEY = 'IEEG_Dataset'
+export const _SIIBRA_FEATURE_KEY = 'IEEG_Electrode'
 export const IEEG_FEATURE_NAME = 'iEEG recordings'