Upon an in-depth analysis of the clinical classification of specific learning disabilities and their psychological symptoms, which of the following statements provides the most authoritative and scientific explanation regarding the writing-related difficulties of learners with 'Dysgraphia' and their neuropsychological bases?

Understanding Dysgraphia

Dysgraphia is a specific learning disability that primarily affects writing skills. It is not merely poor handwriting; rather, it is the result of a deficit in the brain's ability to process visuo-spatial information, manage hand-eye coordination, and control fine motor skills.

Key Characteristics

• Spelling mistakes and inconsistent spacing between letters and words.
• Severe struggle in expressing thoughts coherently in written form.
• Directly linked to working memory and neurological motor control issues.