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Neural Activity Tied to Reading Predicts Individual Differences in Extended-Text Comprehension

Mossbridge JA, Grabowecky M, Paller KA and Suzuki S (2013) Neural activity tied to reading predicts individual differences in extended-text comprehension. Frontiers in Human Neuroscience 7:655.
This study looked at whether a reader’s level of comprehension can be quantified with brain imaging technology. Researchers designed an experiment in which participants were asked to read two versions of the same text. One version was an original story; the other was a scrambled version of the text. Both were presented one word at a time on a computer screen. As the subjects read the texts, the researchers used electroencephalography (EEG) to monitor their brain activity. Each subject was then asked to complete a comprehension quiz. The team theorized that in subjects with poor reading comprehension, brain activity should remain largely uniform throughout the test. Conversely, participants with high comprehension should exhibit a surge in activity while reading the original story. Their hypothesis was supported: brain activity could be used to predict comprehension quiz outcomes with almost 90 percent accuracy.
"You may have tangible wealth untold. Caskets of jewels and coffers of gold. Richer than I you can never be — I had a mother who read to me." — Strickland Gillilan