Biological Personality Trait Theory

753 Words3 Pages
Each person is born with a personality. This means that all individuals have their own characteristics, moods, thoughts, feelings, and behaviors. Personality is both an individual experience, as each person experiences specific combinations that are unique, and a global experience, as humans often share similar traits (Encyclopaedia Britannica, 2014). As humanity has expanded, so has interest in discovering what causes the developments of specific personality traits. While some have believed that personality is strictly caused by environment, others have believed that repetitive behavior causes specific traits to develop. One of the earliest theories regarding development of personality traits, however, is the theory that a person’s biology plays a significant role in the traits exhibited by an individual. When a theorist supposes that biology is the determining factor in personality traits, this person will: “focus [on] the function of the brain and the rest of the nervous system in activities (e.g., thinking, learning, feeling, sensing, and perceiving) recognized as characteristic of humans and other animals” (Encyclopaedia Britannica, 2014). This means that a person’s neurological development and brain structure will significantly impact their choices and responses to life’s circumstances. One of the first biological personality trait theorists was a Greek philosopher named Empedocles. While he had no understanding of the extensive neurological system that complete
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