Article - What are the benefits of Tetris?
The theory is that Tetris thickens the cerebral cortex - part of the brain that plays a key role in memory, attention, perceptual awareness, thought,...
Paleocortex
The portion of the cerebral cortex that, with the archicortex, develops in association with the olfactory system and is phylogenetically older and less stratified than the neocortex. It is composed chiefly of the piriform cortex and the parahippocampal gyrus.