Barber was diagnosed with dyslexia and attention deficit hyperactivity disorder (ADHD). Katona also has dyslexia and attention deficit hyperactivity disorder. Coupe was diagnosed with dyslexia and ADHD in childhood. As a child he was diagnosed with dyslexia and ADHD. The list also welcomed those with "cousin" conditions, such as ADHD, dyslexia, and dyscalculia. Suffering from undiagnosed dyslexia, he experienced problems at school. After struggling with dyslexia and ADHD, she left school when she was 16. Additionally, it has been linked to various neurological phenomena such as synesthesia, dyslexia, and prosopagnosia. This article is primarily about "developmental dyslexia", i.e., dyslexia that begins in early childhood. Her work focused on reading development, spelling and dyslexia. He was diagnosed with dyslexia in second grade. Thorne was diagnosed with dyslexia in first grade. Tointon was diagnosed with dyslexia at age seven. Dempsey was diagnosed with dyslexia at age twelve.