Left hemisphere

Hemispherium sinister

Left cerebrum, Cerebellum, left

At approx. 90% of all people, it is the left hemisphere (the left hemisphere) that is the so-called dominant hemisphere, that is, it is the hemisphere that is responsible for our ability to speak - "the speaking hemisphere" - and controls the hand we are most skilled with: the right hand. Analytical and mathematical ability are considered to be properties particularly tied to the Western hemisphere. Furthermore, the we. hemisphere be directly linked to consciousness.
The lateral furrow extends further backwards and the temporal lobe plate (planum temporale) is larger in the left hemisphere compared to the right hemisphere.

The entorhinal cortex area of the left hemisphere, the "gateway" to the hippocampus, contains more neurons than the one on the right side.