Why the left hemisphere of the brain understands language better than the right

Nerve cells in the brain region planum temporale have more synapses in the left hemisphere than in the right hemisphere — which is vital for rapid processing of auditory speech, according to new research. There has already been ample evidence of left hemisphere language dominance; however, the underlying processes on the neuroanatomical level had not yet been fully understood.

Source: sciencedaily.com