Font disfluency and reading performance in children: An event-related potential study

Area of Science:

• Cognitive Neuroscience
• Developmental Psychology
• Reading Science

Background:

• Adult readers show distinct neural processing for fluent versus disfluent fonts, attributed to increased cognitive load with harder-to-read text.
• Understanding font disfluency effects in developing readers is crucial for identifying reading trajectory markers.

Purpose of the Study:

• To investigate font disfluency's impact on neural activity in pre-adolescent readers (8-12 years old).
• To explore the relationship between neural responses to font disfluency and reading performance in this age group.

Main Methods:

• Electroencephalography (EEG) recorded neural activity during one-back tasks with fluent and disfluent letter/word stimuli.
• Event-related potentials (ERPs) analyzed neural responses.
• Standardized reading achievement tests (Woodcock Johnson III, Castles and Coltheart Test 2) assessed reading performance.

Main Results:

• Font disfluency did not consistently alter neural activity across letter and word tasks.
• Fluent stimuli showed greater late neural activity (450-600 ms) during the word task, potentially aiding visual working memory and semantic retrieval.
• No significant association was found between reading performance and neural responses to font disfluency.

Conclusions:

• Pre-adolescent readers may be in an early developmental stage where font disfluency effects on neural activity are not yet consistent.
• Font manipulation in neural tasks shows potential as a tool for tracking reading development.
• Easy-to-read fonts might support specific cognitive processes like word memory in developing readers.