(a) Example stimuli from each of the six stimulus categories in the passive viewing task. FF: False Font, IL: Infrequent Letters, FL: Frequent Letters, BG: Frequent Bigrams, QG: Frequent Quadrigrams, W: Words. (b) Schematic representation of the passive viewing stimulus presentation. (c) Example stimuli from the three experimental conditions of the sentence reading task highlighting the words used for subsequent analyses (Words 3 to 8). (d) Schematic representation of the sentence reading stimulus presentation. (e) Histogram of log10 word frequency for the sentence stimuli. A log10 frequency of 1 represents 10 instances per million words and 4 means 10,000 instances per million words