Complex sentence: The classical view of Gestalt psychology suggests the right hemisphere is involved in the perception of wholes and thus plays a stronger role in global processing, whereas the left hemisphere involves separate local elements and therefore plays a stronger role in local processing.
Split into simpler sentences: The classical view of Gestalt psychology posits that the right hemisphere is involved in the perception of wholes, and thus plays a stronger role in global processing. On the other hand, the left hemisphere is involved with separate local elements, and therefore plays a stronger role in local processing.