Question: Which statement about the Four-Part Processing Model is true? Need Assignment Help? The model emphasizes that the most important part of the brain for reading is the part of the brain that handles word recognition. The model reminds us that reading comprehension is the product of language comprehension only. The model emphasizes that fluent reading is dependent on the phonological processing system only. The model reminds us that instruction should aim to educate all of the processing systems and enable them to work together.