diff --git a/docs/first-order/test_2p_responses.ipynb b/docs/first-order/test_2p_responses.ipynb
index d3a0afbe..73345a8d 100644
--- a/docs/first-order/test_2p_responses.ipynb
+++ b/docs/first-order/test_2p_responses.ipynb
@@ -153,31 +153,6 @@
   {
    "cell_type": "code",
    "execution_count": 5,
-   "id": "98daca8f",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "DfOverF pynwb.ophys.DfOverF at 0x1856046442816\n",
-       "Fields:\n",
-       "  roi_response_series: {\n",
-       "    imaging_plane_1 <class 'pynwb.ophys.RoiResponseSeries'>\n",
-       "  }"
-      ]
-     },
-     "execution_count": 5,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "nwb.processing[\"ophys\"][\"DfOverF\"]"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 6,
    "id": "a8cbffdf",
    "metadata": {},
    "outputs": [
@@ -221,7 +196,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 6,
    "id": "f5163658",
    "metadata": {},
    "outputs": [],
@@ -231,7 +206,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 7,
    "id": "534e344c",
    "metadata": {},
    "outputs": [
@@ -251,7 +226,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 8,
    "id": "8308224d",
    "metadata": {},
    "outputs": [
@@ -290,7 +265,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 9,
    "id": "6177ffb0",
    "metadata": {},
    "outputs": [
@@ -309,7 +284,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 10,
    "id": "557ad65d",
    "metadata": {},
    "outputs": [],
@@ -332,7 +307,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 11,
    "id": "c103ac82",
    "metadata": {},
    "outputs": [],
@@ -347,7 +322,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 12,
    "id": "500e70c6",
    "metadata": {
     "tags": [
@@ -471,7 +446,7 @@
        "9   27.625847  27.642543      0   spontaneous"
       ]
      },
-     "execution_count": 13,
+     "execution_count": 12,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -483,7 +458,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 13,
    "id": "0b89795c",
    "metadata": {},
    "outputs": [
@@ -506,7 +481,7 @@
        " 'spontaneous'}"
       ]
      },
-     "execution_count": 14,
+     "execution_count": 13,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -517,7 +492,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 14,
    "id": "abd73a5c",
    "metadata": {},
    "outputs": [
@@ -527,7 +502,7 @@
        "10"
       ]
      },
-     "execution_count": 15,
+     "execution_count": 14,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -561,7 +536,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 15,
    "id": "ae73905f",
    "metadata": {},
    "outputs": [],
@@ -572,7 +547,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 16,
    "id": "9cae90bb",
    "metadata": {},
    "outputs": [
@@ -625,7 +600,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 17,
    "id": "fd0bf83b",
    "metadata": {},
    "outputs": [],
@@ -654,7 +629,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 18,
    "id": "21a363be",
    "metadata": {},
    "outputs": [],
@@ -711,7 +686,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 19,
    "id": "85c95386",
    "metadata": {},
    "outputs": [
@@ -728,7 +703,7 @@
        "Text(0, 0.5, 'ROI (neuron)')"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 19,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -765,7 +740,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 20,
    "id": "fa14050c",
    "metadata": {},
    "outputs": [
@@ -793,7 +768,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 21,
    "id": "76e262a0",
    "metadata": {},
    "outputs": [
@@ -832,7 +807,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 22,
    "id": "47985091",
    "metadata": {},
    "outputs": [
@@ -871,7 +846,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 23,
    "id": "7b195528",
    "metadata": {},
    "outputs": [
@@ -892,7 +867,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 24,
    "id": "6b36087e",
    "metadata": {},
    "outputs": [
@@ -918,7 +893,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 25,
    "id": "b4da1d88",
    "metadata": {},
    "outputs": [
@@ -967,7 +942,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 26,
    "id": "579a89ae",
    "metadata": {},
    "outputs": [
@@ -999,7 +974,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 27,
    "id": "7a335371",
    "metadata": {},
    "outputs": [
@@ -1026,7 +1001,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 28,
    "id": "bc09b423",
    "metadata": {},
    "outputs": [
@@ -1075,7 +1050,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 29,
    "id": "6546c149",
    "metadata": {},
    "outputs": [
@@ -1099,7 +1074,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 30,
    "id": "d291fc57",
    "metadata": {},
    "outputs": [
@@ -1109,7 +1084,7 @@
        "<function matplotlib.pyplot.show(close=None, block=None)>"
       ]
      },
-     "execution_count": 31,
+     "execution_count": 30,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -1142,7 +1117,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 31,
    "id": "f8d45f0e",
    "metadata": {},
    "outputs": [
@@ -1169,7 +1144,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 32,
    "id": "e62cabae",
    "metadata": {},
    "outputs": [
@@ -1218,7 +1193,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 33,
    "id": "0abb2c29",
    "metadata": {},
    "outputs": [
@@ -1249,7 +1224,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 34,
    "id": "8aa52136",
    "metadata": {},
    "outputs": [
@@ -1275,7 +1250,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 35,
    "id": "91b0e630",
    "metadata": {},
    "outputs": [
@@ -1324,7 +1299,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 36,
    "id": "f32343c4",
    "metadata": {},
    "outputs": [
@@ -1345,7 +1320,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": 37,
    "id": "6eef08f7",
    "metadata": {},
    "outputs": [
@@ -1371,7 +1346,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 38,
    "id": "48807ab0",
    "metadata": {},
    "outputs": [