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Specific Learning Disorders: Dyslexia, Dyscalculia, Dysgraphia, and Multisensory Instruction

Understand Specific Learning Disorders (SLD). Explore the neuropsychology of Dyslexia, Dysgraphia, and Dyscalculia alongside multisensory Orton-Gillingham instruction.

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By Kriyasya Companion 2 min read Updated October 23, 2026

Specific Learning Disorder (SLD) is a neurodevelopmental disorder of biological origin that hinders an individual’s ability to perceive or process verbal or non-verbal information efficiently and accurately, manifesting in persistent difficulties learning foundational academic skills despite adequate intellectual ability, schooling, and socioeconomic opportunity. Categorized across three primary clinical impairments: Impairment in Reading (Dyslexia), Impairment in Written Expression (Dysgraphia), and Impairment in Mathematics (Dyscalculia). Grounded in cognitive neuropsychology and the Response to Intervention (RTI) framework, the Specific Learning Disorders Psychoeducation Module delivers 22 structured video lessons covering phonological processing, neuroimaging correlates, Orton-Gillingham multisensory literacy, and educational accommodations.

Clinical Impairments: Reading, Writing, and Math

  • Dyslexia (Reading): Deficits in phonological awareness, decoding, rapid automatized naming, and reading fluency, rooted in atypical connectivity between the left temporoparietal and occipitotemporal word-form areas.
  • Dysgraphia (Written Expression): Severe difficulties with orthographic coding, fine-motor handwriting coordination, spelling accuracy, and coherent written expression.
  • Dyscalculia (Mathematics): Core deficits in number sense, subitizing (instantly perceiving quantities), memorizing arithmetic facts, and mathematical spatial reasoning, localized to the intraparietal sulcus.

Evidence-Based Structured Literacy and Accommodations

Gold-standard intervention relies on explicit, systematic, multisensory instruction (e.g., Orton-Gillingham approach) paired with legal educational accommodations: extra time on examinations, text-to-speech assistive technology, audiobooks, and formula sheets.

Editorial & Educational Disclaimer

Content published on Kriyasya Pulse represents editorial and educational insights uniting traditional wisdom with contemporary research. Readers are encouraged to apply discernment and seek qualified guidance where appropriate.

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Understand Specific Learning Disorders (SLD). Explore the neuropsychology of Dyslexia, Dysgraphia, and Dyscalculia alongside multisensory Orton-Gillingham instruction.

Specific Learning Disorders: Dyslexia, Dyscalculia, Dysgraphia, and Multisensory Instruction

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