NEUROPHYSIOLOGICAL CHANGES IN DYSLEXIC BRAIN REGISTERED BY MISMATCH NEGATIVITY: A REVIEW

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FAHAM MARYAM; AHMADI AKRAM; ASHAYERI HASSAN; ASHTARI ATIYE

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Title

NEUROPHYSIOLOGICAL CHANGES IN DYSLEXIC BRAIN REGISTERED BY MISMATCH NEGATIVITY: A REVIEW

Author(s)

FAHAM MARYAM | AHMADI AKRAM | ASHAYERI HASSAN | ASHTARI ATIYE | Issue Writer Certificate

Keywords

DYSLEXIAQ1

READING DISABILITYQ2

MISMATCH NEGATIVITYQ1

EVOKED RESPONSE POTENTIALQ1

Abstract

Background and Aim: DYSLEXIA is a brier to learning literacy in childhood. There is not a general consensus about its etiology while different theories are presented like phonological awareness deficit or poor visual processing. By the help of instruments that detect structural or functional deficit in the human brain, some differences between normal and dyslexic brain are detected. One of the applicable instruments is EVOKED RESPONSE POTENTIAL and MISMATCH NEGATIVITY (MMN) registers that help us in early detection of DYSLEXIA. MMN is evoked when any differences in auditory stimuli are detected by the brain and registered easily from scalp. In the present review, we tried to take a brief look to the studies which investigated the MMN in dyslexic children and compared this condition between these patients and normal children.Methods and Materials: The following databases were searched for studies investigating MMN in DYSLEXIA from 1998 until 2015: Science Direct, Scopus, Willey on line library, Ovid, Google Scholar, PubMed, Scopus, Willey on line library, and PubMed. Taking into account inclusion-exclusion criteria, six papers were selected together with other scientific findings that could help us understand the issue better.Conclusion: No difference was observed in the normal loci of MMN in normal and dyslexic children, but there were significant changes in early and late MMN that were related to working memory and higher level change detection. It seems that dyslexic children have no good-established lateralized MMN register.

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APA: Copy

FAHAM, MARYAM, AHMADI, AKRAM, ASHAYERI, HASSAN, & ASHTARI, ATIYE. (2017). NEUROPHYSIOLOGICAL CHANGES IN DYSLEXIC BRAIN REGISTERED BY MISMATCH NEGATIVITY: A REVIEW. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 6(2), 224-233. SID. https://sid.ir/paper/239791/en

Vancouver: Copy

FAHAM MARYAM, AHMADI AKRAM, ASHAYERI HASSAN, ASHTARI ATIYE. NEUROPHYSIOLOGICAL CHANGES IN DYSLEXIC BRAIN REGISTERED BY MISMATCH NEGATIVITY: A REVIEW. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2017;6(2):224-233. Available from: https://sid.ir/paper/239791/en

IEEE: Copy

MARYAM FAHAM, AKRAM AHMADI, HASSAN ASHAYERI, and ATIYE ASHTARI, “NEUROPHYSIOLOGICAL CHANGES IN DYSLEXIC BRAIN REGISTERED BY MISMATCH NEGATIVITY: A REVIEW,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 6, no. 2, pp. 224–233, 2017, [Online]. Available: https://sid.ir/paper/239791/en

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