Dominance of one hand is called :

Question

Accepted Answer

Dominance of one hand is referred to as "handedness," which is why Option 3 is the correct answer. Handedness is a term used to describe the preference most people show for one hand over the other for performing tasks. This preference is typically categorized into right-handedness, left-handedness, or ambidexterity, but the overarching concept is known as handedness.

1. **Explanation for Option 3 (Handedness):**
   - Handedness is a fundamental aspect of human motor function and is defined as the tendency to use one hand more naturally and skillfully than the other. It is a manifestation of the brain's lateralization, where one hemisphere is more dominant in controlling certain functions. Handedness is a broad term that encompasses all types of hand dominance, including right-handedness, left-handedness, and ambidexterity. Therefore, it is the most appropriate term to describe the dominance of one hand.

2. **Explanation for why other options are incorrect:**
   - **Option 1 (Left-handed):** This option refers specifically to individuals who predominantly use their left hand for tasks. While left-handedness is a type of handedness, it does not encompass the general concept of hand dominance, which can include right-handedness and ambidexterity as well.
   - **Option 2 (Right-handed):** Similar to left-handedness, right-handedness describes individuals who primarily use their right hand. It is a specific type of handedness but does not cover the entire spectrum of hand dominance.
   - **Option 4 (Ambidextrous):** Ambidexterity refers to the ability to use both hands with equal skill. While it is a form of handedness, it is not synonymous with the general concept of hand dominance, which includes a preference for one hand over the other.

In conclusion, Option 3, "Handedness," is the correct term to describe the dominance of one hand, as it encompasses all variations of hand preference, including left-handedness, right-handedness, and ambidexterity.