Edited By Evelin Witruk and Dian Sari Utami
The main topics of the book are traumatic experiences, stress processing and dyslexia with some new perspectives on this old phenomenon. The authors of the book articles are from Indonesia, Sri Lanka, Morocco, Sudan, Iran, Spain, Syria, Portugal, and Germany. The interdisciplinary character of this book is represented in contributions of scientists from different areas of psychology, special education, and linguistics.
A Dark Consequence of Developmental Dyslexia: Discrimination of Mirror Images is not Automatized
Abstract: Reading is a cultural activity too recent in the history of the humankind to be encrypted in the human genome but, paradoxically, some people fail to achieve fluent reading, despite adequate instruction and no sensorial or general cognitive deficits that could explain such specific difficulty. Intensive research has been devoted to the neurocognitive mechanisms of reading and the putative differences related to this specific developmental reading disorder or dyslexia. Much research has focused on the relation between literacy and oral language but reading is also an intensive visual activity that requires specific adaptations of the visual ventral system, including the suppression of mirror invariance (the perceptual bias by which one stimulus and its lateral reflection or mirror image, e.g., d and b, are processed as equivalent percept). Interestingly, reversal errors (e.g., confusing d with b) have long been documented in dyslexia. In the present paper, we review the available evidence regarding mirror-image processing in dyslexic children, taking into account the methodological aspects and shortcomings of prior studies. We also revisit our findings with typically-developing children (preliterate children and first grade beginning readers) and adults (illiterate, ex-illiterate, and schooled literate), and dyslexic children and their two control groups (of chronological age, and of reading level). Our research suggests that dyslexic readers fail to acquire the automatic changes promoted by literacy acquisition outside the written domain. More specifically, we argue that mirror-image discrimination, which is triggered by learning to read and occurs automatically in the course of visual object...
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