 &#39;atlas&#39; : nibabel.Nifti1Image</span>
<span class="sd">            The loaded NIfTI image of the mouse atlas.</span>
<span class="sd">        - &#39;atlas_data&#39; : np.ndarray</span>
<span class="sd">            The atlas volume data as a NumPy array.</span>
<span class="sd">        - &#39;region_info&#39; : np.ndarray</span>
<span class="sd">            A list of anatomical region names, extracted from the &#39;Anatomical Name&#39; column of the label file.</span>
<span class="sd">        - &#39;