which side of the brain is the speech centre
Language center Most areas of speech processing develop in the second year of life in the dominant half (hemisphere) of the brain, which often (though not necessarily) corresponds to the opposite of the dominant hand. 98% of right-handed people are left-hemisphere dominant, and the majority of left-handed people as well.
Auditory cortex It is located bilaterally, roughly at the upper sides of the temporal lobes â€“ in humans on the superior temporal plane, within the lateral fissure and comprising parts of Heschl's gyrus and the superior temporal gyrus, including planum polare and planum temporale (roughly Brodmann areas 41, 42, and partially 22).[3] [4] Unilateral destruction results in slight hearing loss, whereas bilateral destruction results in cortical deafness.