1. Attention Deficit Dissorder
... disorders. Twin studies also support the genetic theory of ADD. Researchers at the University of Minnesota conducted a large-scale longitudinal study of twins who were reared apart. The study found that even when identical twins were reared apart, they had similar characteristics in terms of hyperactivity and inattention (Lowenthal 207). Researchers concluded that genetics or heredity plays a significant role ... , hyperactivity disorder, or a combination (Turnbull 187). The first type of AD/HD, predominantly inattentive type, describes students who have trouble paying attention in class...
- Word Count: 3592
- Approx Pages: 14
- Has Bibliography
- Grade Level: Undergraduate