Three major "neural systems", specialized for different types of information processing, are the sensory, declarative, and procedural systems. It has been proposed ("Trends Neurosci.",30(4), 135-141) that dyslexia may be attributable to impaired function in the procedural system together with intact declarative function. We provide a brief…

Provides evidence indicating a strong connection between a high level of ambient household noise and intellectual deficits at stages of infant development. Observers rated noise level from all household sources (stereos, appliances, etc.). Delays were found in sensorimotor development with high levels of noise. (Author/JN)