The left hemisphere

The left hemisphere is responsible for the logic, writing, mathematics, speech, etc. It understand the concepts and ideas, and stores them in a language no verbale and then translated into a language learned. Specializes in language, logical information, information processing in series one by one, mathematics memory management, planning, execution and decision-making and long-term memory.

Intelligence tests measure the activity of this hemisphere. Many activities of the conscious are ascribed to this hamisphere. This hemisphere using the analysis to solve problems and simplify them.