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Genetics of Sensitivity: A Blueprint for Individuality
Research into twin studies reveals that genetic factors significantly influence traits associated with high sensitivity, with a 50% likelihood of one twin being similarly sensitive if the other is. This genetic heritage shapes crucial aspects of personality, such as threshold for stimulation, anxiety levels, attentional systems, and alertness, all contributing to hypersensitivity. The presence of multiple genes, specifically the sensitivity gene, dopamine gene, and emotional vividness gene, indicates that sensitivity is complex and not dictated by a single gene. The sensitivity gene, also recognized as the serotonin gene, plays a vital role in the transportation of serotonin within the brain.