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Dyslexia is an umbrella term for a continuum of reading difficulties.

Underlying these reading difficulties are inefficient language processes in the brain.

This is a computational problem as the linguistic system in the brain comprises a collection of complex codes.

Different people have different processing inefficiencies, leading to different symptoms on the surface.

Dyslexia is a common brain-based reading difficulty that affects 1 in 5 people (Yale, 2022). The literacy problem impacts every school district and, hence, all taxpayers (NCLD, 2023).

A common question in searches is whether there is a cure for dyslexia. Firstly, dyslexia is not a disease. Secondly, it is not a single, unitary condition that one has or not. Let me explain below.

Linguistic Components in the Brain

People with dyslexia have difficulty processing language (Shaywitz, 2003). Problems with phonological or sound processing are a strong predictor of reading difficulty, or dyslexia (Elliott & Grigorenko, 2014). But natural language is not just made up of sounds. In 2025, the International Dyslexia Association revised its definition of dyslexia to add the morphological (parts of words) to the phonological (IDA, 2025).

In linguistics, the scientific study of natural language, language can be described structurally as having these two components in addition to the semantic (meaning), lexical (words), syntactic (sentences), and textual components.

If deficits can exist in one component, logically they should be present in the other components as well across the population. Indeed, research bears this out even though the smallest unit (phonemes) has been studied the most (Landi & Perfetti, 2007).

The Complexity of Language Processing

For most of us, language comes automatically. This automatized function masks its complexity. Take, for example, this sentence:........

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