Myth 8 for #DyslexiaAwarenessWeek 2020: AN MRI OR FMRI SCAN CAN BE USED TO DIAGNOSE DYSLEXIA OR A #READING DISABILITY. This is incorrect! This is a very persistent myth and we get many inquiries about diagnostic brain scans for #dyslexia at the @GaabLab .
Magnetic resonance imaging (MRI) doesn't have the sensitivity (correctly identifying those with/without reading disability) or specificity (correctly identifying those who will NOT develop a reading disability) to distinguish individuals with #dyslexia from those without it.
Other neuroimaging techniques, e.g. electroencephalography (EEG) also lack the sensitivity/specificity for diagnosing #dyslexia/ #reading impairments. However, these tools can be used to show differences between GROUPS of individuals with or without dyslexia for research purposes.
These tools have significantly added to our understanding of developmental trajectories, the etiology, & underlying mechanisms of #dyslexia/ #reading impairments in the 🧠. It's important for the development of novel interventions & highlights the need for early identification
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