Dyslexia is a specific, language-based disorder, which characterizes by the difficulty id words decoding, which reflects insufficient abilities of phonologic processing. Developmental dyslexia, according to different authors, affects from 4% to 12% of school age population and is characterized by the difficulty in reading in a child with normal hearing and intelligence.
Reading is a complex ability, which requires cooperation of different functions. Several studies have shown that dyslexia may be accompanied by auditory processing disturbances, such as disturbance of phonematic hearing, difficulty in sound analysis and pitch discrimination. There is no consensus whether presented auditory difficulties are related specifically with speech sounds or generally to all kinds of sound stimuli. Some theories suggest that processing disturbances affect also visual modality. The aim of the study was to evaluate time and frequency processing in children with developmental dyslexia.
