Scholastic difficulty in a paicular skill (written expression) is suggestive of specific learning disability. LEARNING DISORDERS: - Significant impairment in one or more scholastic skills, out of propoion to intellectual functioning (usually IQ is normal), only in a paicular domain pt. faces problems. - Specific reading disorder (dyslexia) - Disorders of written expression (specific spelling disorder) - makes frequent spelling mistakes. - Specific disorders of arithmetic skills - Mixed disorders of scholastic skills.