Which condition is characterized by unusual difficulty with spelling and/or handwriting?

The condition characterized by unusual difficulty with spelling and/or handwriting is indeed dysgraphia. This learning disability affects a person's ability to write, which encompasses not just the physical act of writing but also the organization of thoughts on paper. Individuals with dysgraphia may struggle with letter formation, spacing, and overall coherence and fluency in their writing. This can manifest as spelling errors, difficulty in expressing ideas in written form, and messy or inconsistent handwriting.

In contrast, dyslexia primarily involves challenges in reading, particularly with fluid reading and phonetic decoding. Dyspraxia refers to difficulties with motor skills and coordination, impacting the execution of physical tasks but not specifically tied to writing. Agraphia is a loss of the ability to communicate through writing, often resulting from neurological damage, and is not classified as a learning disability in the way dysgraphia is. Understanding these distinctions helps clarify why dysgraphia is specifically associated with challenges in spelling and handwriting.