Types of learning disorders include reading (dyslexia), arithmetic (dyscalculia) and writing (dysgraphia). Labels for specific associated issues include visual-spatial deficit, dyscalculia, dysgraphia, as well as dyspraxia. Occupational and speech therapies may help diminish the dysgraphia and apraxia. People with dyslexic dysgraphia have illegible spontaneously written work. Dysgraphia is a deficiency in the ability to write, primarily handwriting, but also coherence. The inability to produce clear and coherent handwriting is also known as dysgraphia. Landis has stated that he has cyclothymia and dysgraphia. Some physicians recommend that individuals with dysgraphia use computers to avoid the problems of handwriting. He struggled in school due to suffering from dysgraphia, a writing disorder. Dysgraphia is a biologically based disorder with genetic and brain bases. There are three principal subtypes of dysgraphia that are recognized. This suggests that dysgraphia for letters is a deficit related to motor memory. However, dysgraphia does not affect all fine motor skills. A person with spatial dysgraphia has a defect in the understanding of space. In dysgraphia, individuals fail to develop normal connections among different brain regions needed for writing.