Dominance theory is the idea that one hemisphere of the brain (usually the left) dominates over the other in determining handedness. Some psychologists argue against this theory because it oversimplifies the complex nature of handedness and fails to account for individual variations.
Lateralization refers to how certain cognitive functions are more dominant in one hemisphere of the brain than the other.
Ambidexterity: Ambidexterity is when an individual is able to use both hands equally well for various tasks.
Hemispheric Specialization: Hemispheric specialization refers to how different functions or abilities are primarily controlled by either the left or right hemisphere of the brain.