Concept:A developmental reading disorder is a neurological condition that primarily hinders the ability to read. Dyslexia is the most common such disorder.Explanation:Reading disorders fall under learning disabilities. Dyslexia specifically makes it hard to read, write, and spell. Learners confuse similar letters, cannot decode words, and struggle to connect sounds with letters. Other options are different. Aphasia affects language comprehension or speech production. Autism is a broader developmental issue involving social and communication problems. Impairment is a general term for any loss of function. Therefore, only dyslexia directly and commonly affects reading development.Answer:Dyslexia (Option A)