Complex sentence: Cell-attached and both excised patch techniques are used to study the behavior of ion channels on the section of membrane attached to the electrode, while whole-cell patch and perforated patch allow the researcher to study the electrical behavior of the entire cell.
Split into simpler sentences: Cell-attached and both excised patch techniques are used to study the behavior of individual ion channels in the section of membrane attached to the electrode. Whole-cell patch and perforated patch allow the researcher to study the electrical behavior of the entire cell.