Functional Alterations in Order Short-Term Memory Networks in Adults With Dyslexia

Abstract

Dyslexia is characterized not only by reading impairment but also by short-term memory (STM) deficits, and this particularly for the retention of serial order information. Here, we explored the functional neural correlates associated with serial order STM performance of adults with dyslexia for verbal and visual STM tasks. Relative to a group of age-matched controls, the dyslexic group showed abnormal activation in a network associated with order STM encompassing the right intraparietal and superior frontal sulcus, and this for both verbal and visual order STM conditions. This study highlights long-lasting alterations in non-language neural substrates and processes in dyslexia.

FUNDING

Trecy Martinez Perez and Steve Majerus are, respectively, a Research fellow and a Research Associate, funded by the Fund for Scientific Research FNRS, Belgium. This study was supported by grant no. 1.5.056.10 from the Fund for Scientific Research FNRS, Belgium.

SUPPLEMENTAL MATERIAL

Supplemental material for this article can be accessed at www.tandfonline.com/hdvn.

Additional information

Funding

Trecy Martinez Perez and Steve Majerus are, respectively, a Research fellow and a Research Associate, funded by the Fund for Scientific Research FNRS, Belgium. This study was supported by grant no. 1.5.056.10 from the Fund for Scientific Research FNRS, Belgium.