diff --git a/src/osipi/DRO/DICOM_processing.py b/src/osipi/DRO/DICOM_processing.py
index 86d3fea..e2781d9 100644
--- a/src/osipi/DRO/DICOM_processing.py
+++ b/src/osipi/DRO/DICOM_processing.py
@@ -6,7 +6,7 @@
 from osipi.DRO.filters_and_noise import median_filter
 
 
-def read_dicom_slices_as_signal(folder_path):
+def read_dicom_slices_as_4d_signal(folder_path):
     """
     Read a DICOM series from a folder path.
     Returns the signal data as a 4D numpy array (x, y, z, t).