Understanding Dyslexia

What is dyslexia and how does it affect children?

What neuroimaging methods have contributed to the understanding of dyslexia?

What are the brain regions involved in single word reading?

What is the best understood cause for dyslexia?

• Weakness in phonological awareness

• Visual processing deficits

• Slow reading speed

• Poor vocabulary skills

What is rapid automatized naming (RAN) and how is it related to dyslexia?

What are some potential causal explanations for dyslexia?

What are the most common functional brain differences in children and adults with dyslexia?

• Increased activations in left temporal regions

• Reduced activations in left temporal, parietal, and fusiform regions

• No differences observed

• Increased activations in right-hemisphere regions

What does the term 'phonological awareness' refer to?

• Knowledge of the sound structure of words

• Ability to read single words accurately

• Speed of naming familiar stimuli

• Ability to manipulate visual information

What is the definition of 'reading fluency'?

• Ability to read single words and connected text with sufficient accuracy and speed

• Knowledge of the sound structure of words

• Speed with which familiar stimuli can be named

• Ability to manipulate visual information

What is the significance of comparing dyslexic children to ability-matched children?