Disorders, Diseases, and Life on the Left

摘要: The published literature connecting left-handedness to an array of physical and psychological disorders spans nearly 150 years research. Various theories attempt explain why is linked pathology these provide the guidance for large numbers studies in this area. riddled with inconsistent findings concerning a link between or ill health. A more reliable association atypical handedness patterns, such as ambiguous handedness, various clinical conditions. Ambiguous situation where individual uses either right left hand at different times perform same activity. typical form mixed-handedness observed nonclinical groups change use across activities rather than within Two basic research paradigms have dominated exploration pathology. Each paradigm has its inherent methodological problems most likely chronic inconsistencies literature. Researchers are moving toward new direct ways investigating relationship types by using neural imaging techniques genome scans.