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A Bra|n Before |t learns how to Read
The visual cortex is where the brain ‘sees’ things. It helps us see and identify objects, shapes, pictures, and people.
The auditory cortex is where the brain ‘hears’ things. It processes sounds.
The Wernicke’s area is where the brain understands what things ‘mean’. It maps the words we hear to their meaning and helps us to process sentences. Before we learn to read, the Wernicke’s area helps us bring meaning to spoken language. This is why talking to your children is important. Oral literacy comes before written literacy.
Before we learn to read, the parts of the brain related to connecting letters to sounds are disconnected.
A bra|n after |t learns how to read through phon|cs
The visual cortex can see the letter f but it cannot hear the sound ‘f’ until a connection with the auditory cortex is formed.
Neural networks are the connections formed between the visual and the auditory cortex connecting letters to sounds. The more we train connecting letters to sounds, the more neurons we build, and the stronger these neural networks become. So get going with our phonics practice!
The auditory cortex can hear the letter f but it cannot see the letter f until a connection with the visual cortex is formed.
The Letterbox does not exist in the brain of a newborn child. It is an area of the visual cortex that develops only when we develop neural networks that identify letters and map them onto their sounds. After lots of practice mapping letters to sounds, this information is stored in this area, making the process of reading gradually automatic.
The Wernicke’s area starts to change as the brain masters reading. It learns how to map written language, not just oral language, to meaning. Thus, we read the word ‘funny’ and map it to its meaning. We can also interpret sentences such as ‘Bogart’s bulging bug eyes are funny!’.
The process of learning to read through phonics is about connecting different parts of the brain.
A bra|n that |s learn|ng to read v|a the whole-word method, rather than through phon|cs
The visual cortex, the part of the brain that helps us see things, can still be employed to see and identify whole words.
The auditory cortex, the part of the brain that processes sounds, can still be used to connect whole words to their corresponding sound.
However, the neural networks which connect letters to sound are underdeveloped. As a result, children won’t be equipped to read words they haven’t seen before.
When a child learns how to read via the whole-word method, reading engages parts of the right hemisphere of the brain and the activity of the left hemisphere associated with fluent reading is missing. Thus, the letterbox, the part of the brain that develops when we build connections between letters and sounds and lives in the left hemisphere, doesn’t develop.
Wernicke’s area: This area that maps words and sentences to their meaning is still used to interpret whole words.
Teaching Reading Is Rocket Science, 2020
National Reading Panel
Letters and Sounds: Principles and Practice of High Quality Phonics
National Inquiry into the Teaching of Literacy Report
Put Reading First
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