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Dyslexia Or Ld in Reading: What Is the Difference?

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Dyslexia Or Ld in Reading: What Is the Difference? DYSLEXIA OR LD IN READING: WHAT IS THE DIFFERENCE? Anise Flowers & Donna Black, Pearson Dyslexia or LD in Reading? TCASE 2017 Image by Photographer’s Name (Credit in black type) or Image by Photographer’s Name (Credit in white type) International Dyslexia Association Dyslexia is a specific learning disability that is neurological in origin. It is characterized by Dyslexia or LD in Reading: What difficulties with accurate and/or fluent word is the Difference? recognition and by poor spelling and decoding abilities. These difficulties typically result from a deficit in the phonological component of language that is often unexpected in relation to other cognitive abilities and the provision of Presented by effective classroom instruction. Secondary Anise Flowers, Ph.D. Donna Black, LSSP consequences may include problems in reading comprehension and reduced reading experience TCASE that can impede growth of vocabulary and January 2017 background knowledge. Presentation Title Arial Bold 7 pt 1 2 Dyslexia Identification and Services in Texas Dyslexia Definition (in Texas) Texas Education Code (TEC)§38.003 defines Texas Education Code (TEC)§38.003 definition: dyslexia and mandates testing and the provision of 1. “Dyslexia” means a disorder of constitutional instruction origin manifested by a difficulty in learning to State Board of Education (SBOE) adopts rules and read, write, or spell, despite conventional standards for administering testing and instruction instruction, adequate intelligence, and TEC §7.028(b) relegates responsibility for school sociocultural opportunity. compliance to the local school board 2. “Related disorders” include disorders similar to or 19 (TAC)§74.28 outlines responsibilities of districts related to dyslexia such as developmental auditory and charter schools in the delivery of services to imperceptions, dysphasia, specific developmental students with dyslexia dyslexia, developmental dysgraphia, and The Rehabilitation Act of 1973, §504, establishes developmental spelling disability. assessment and evaluation standards and procedures for students (34 C.F.R. Part 104) 3 4 Dyslexia Guidelines (in Texas) TX Handbook: Dyslexia Difficulties . Students identified as having dyslexia typically experience primary difficulties in phonological awareness, including phonemic awareness and manipulation, single-word reading, reading fluency, and spelling. Consequences may include difficulties in reading comprehension and/or written expression. These difficulties in phonological awareness are unexpected for the student’s age and educational level and are not primarily the result of language difference factors. Additionally, there is often a family history of similar difficulties. 5 6 Flowers & Black Pearson Clinical Assessment 1 Dyslexia or LD in Reading? TCASE 2017 TX Handbook: Primary Dyslexia TX Handbook: Associated Academic Characteristics Difficulties . Difficulty reading words in isolation . May also have problems in written expression, reading comprehension, and . Difficulty accurately decoding unfamiliar mathematics words . Most common co-occurring disorders are ADHD & specific developmental language . Difficulty with oral reading (slow, inaccurate, disorders or labored) . May also experience symptoms such as anxiety, anger, depression, lack of motivation, . Difficulty spelling or low self-esteem 7 8 TX Handbook: Common Risk Factors Assessing Common Associated with Dyslexia Risk Factors Difficulty pronouncing words (e.g., “pusgetti” for “spaghetti,” “mawn lower” for “lawn mower”) Shaywitz DyslexiaScreen offers two teacher Trouble learning and naming letters and numbers and remembering the letters in his/her name questionnaire forms: Aversion to print (e.g., doesn’t enjoy following along if book is read . Form 1 aloud) . Ages 5:0 through 6:11 in Kindergarten Difficulty remembering the names of letters and recalling their corresponding sounds . 10 items Difficulty decoding single words (reading single words in isolation) . Form 2 Difficulty spelling words the way they sound (phonetically) or . Ages 6:0 through 7:11 in Grade 1 remembering letter sequences in very common words seen often in print ( e.g., “sed” for “said”) . 12 items Difficulty with written expression . Results: At Risk for Dyslexia or Not At Risk for AND MORE… Dyslexia 9 10 TX Dyslexia Handbook TX Dyslexia Handbook Areas for Assessment Areas for Assessment Academic Skills Possible Additional Areas Letter knowledge (name and associated sound) Vocabulary Reading words in isolation Listening comprehension Decoding unfamiliar words accurately Verbal expression Reading fluency (both rate and accuracy are assessed) Written expression Reading comprehension Handwriting Spelling Memory for letter or symbol sequences (orthographic processing) Cognitive Processes Mathematical calculation/reasoning Phonological/phonemic awareness Phonological memory Rapid naming of symbols or objects Verbal working memory Processing speed 11 12 Flowers & Black Pearson Clinical Assessment 2 Dyslexia or LD in Reading? TCASE 2017 TX Dyslexia Handbook: Special Ed? Depends upon • Where you live Special education and the assessment through • How the terms are defined IDEA 2004 may occur when dyslexia is associated with factors complicating dyslexia, thus requiring more support than what is available through the general education dyslexia program. 14 13 History of Dyslexia Despite claims to the contrary, it is incontrovertible that there are many people •Dates back to 19th century as “word who struggle to learn to read (decode) for blindness” reasons other than poor teaching. While • “Dyslexia” first used in 1887 by an this condition is widely known as dyslexia, ophthalmologist achieving a clear, scientific, and consensual • Professionals now see dyslexia as understanding of this term has proven Language-based elusive. – But public still defines as a Visual The Dyslexia Debate problem Elliot & Grigorenko, 2014 15 16 Dyslexia and Reversals in Writing PROBLEMS • Myth: Dyslexia is a visual problem – dyslexics see words backwards and letters • Wide ranging incidence rates from 3% to reversed. 20% Fact: This was proven inaccurate by a study by Vellutino. He asked dyslexic and non-dyslexic students to reproduce a • Researchers don’t agree on the nature and series of Hebrew letters that none of them had ever seen features of “dyslexia.” before. The dyslexic students were able to perform the task just as accurately as the non-dyslexic students, showing that – Definitions for research different from defining their dyslexia did not affect their eyesight. for educational resources • Myth: Any child who reverses letters or • Research is not clear on the cause of early numbers has dyslexia. reading difficulties Fact: Up to a certain point, it is considered normal for children to reverse their letters and numbers, and is actually – Deficits are Phonological? Visual & auditory? quite common. However, if this does not stop after two Rapid naming? Working memory? years of handwriting instruction, it becomes a red flag for dyslexia 18 Copyright © 2014 Pearson Education, Inc. or its affiliates. All rights reserved. Flowers & Black Pearson Clinical Assessment 3 Dyslexia or LD in Reading? TCASE 2017 PROBLEMS Dyslexia Symptoms • Dyslexia is supposed to be brain based • Difficulty with decoding single words (not environment/poor teaching) but – All poor decoders or just a subset?? difficult to tease out the difference • May also have problems with • Lack of agreement about role of IQ comprehension, fluency, motivation • Label of dyslexia doesn’t suggest – Fletcher calls this “Decoding bottleneck” intervention different from those for other • Symptoms have included poor poor decoders phonological awareness, working verbal memory, weak spelling, slow processing, impaired verbal fluency, frequent letter reversals, and more… 19 20 UNEXPECTED? Only Smart Kids ?? • Definitions often include “unexpected poor performance” Special difficulties processing the – Difficult to define unexpected phonological features of language, – Based on intelligence testing? Or failure to respond to intervention? that can co-exist with above • Shaywitz says within a “sea of strengths” average, average, or below – But some poor readers have flat cognitive average general intellectual ability. profiles – Certainly not everyone with dyslexia is gifted… • IQ does not appear to predict which poor readers will be successfully remediated Arkansas Dyslexia Resource Guide 2014 21 22 Who has Dyslexia? • Struggles with accurate single-word decoding The belief that those with dyslexia are high- • Struggles with accurate and/or fluent decoding functioning poor readers, rather than those • Scores at lower end on a test of reading accuracy or fluency who represent the full continuum of • Decoding difficulties cannot be explained in alternative ways • Significant discrepancy between decoding performance & IQ intellectual ability, has continued to persist • Decoding difficulty is unexpected despite all evidence to the contrary. • Decoding skills contrast with strengths in other domains • Decoding problems are biologically determined • Decoding problems marked by associated cognitive The Dyslexia Debate difficulties (phonological, rapid naming, working memory Elliot & Grigorenko, 2014 deficits) • History of very poor spelling • Discrepancy between decoding and listening comprehension • Fail to make progress in decoding with high-quality, evidence-based intervention 23 24 Flowers & Black Pearson Clinical Assessment 4 Dyslexia
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