Traditionally, it was thought that thinking processes were divided between the two sides of the cerebral cortex like this...
Gestalt (the whole picture)
However, the latest research indicates that we use both sides of brain together.
Therefore, the more you use them together, the more they benefit each other.
E.G. the study of music (right hemisphere) helps the study of math (left hemisphere) ← → the study of math helps the study of music.
The more you use these areas, the more generally capable is your entire memory.
Therefore...to remember well, you need to use every aspect of your mind.
If you want to remember anything, associate (link) it with some known or fixed item (i.e. something stable in your mental environment), calling upon your imagination throughout.
To remember well you need to include some or all of the following:
The acronym to help you remember the list above is...SMASHIN' SCOPE.
Source: Buzan, T. (1995). Use Your Memory. London: BBC Books.