PANTHERS

CAUSES OF DYSLEXIA

MEMBERS

Levent Doğan

Metin Pulat

Nihal Dağdelen

Selin Tolunay

TOPICS

• What is Dyslexia?

• What are the brain activities in a dyslexic brain?

• What are the causes of dyslexia?

• How are people aware of dyslexia?

• What kind of law do some countries have about dyslexia?

INTRODUCTION

What is dyslexia?

• The term of dyslexia

• Definition of dyslexia

• Difficulties for dyslexic children

• Neurobiological in origin

What are the brain activities in a dyslexic brain?

CAUSES

What are the causes of dyslexia?• Genetic Factors

• Magnocellur Visual System

• Cerebellar Deficit Hypothesis

• Phonological Processing

• Acquired Dyslexia

• Problem with prenatal period

GENETIC FACTORS

• Dyslexic father = 40% chance

• 6th chromosome

MAGNOCELLUR VİSUAL SYSTEM

•Magnocellur and Parvocells

CEREBELLAR DEFICIT HYPOTHESIS

• Automizing repeated action

PHONOLOGİCAL PROCESSİNG

• Hearing only Word itself

ACQUİRED DYSLEXİA

• Acquired the condition

• Brain injuries

PROBLEM WİTH PRENATAL PERİOD

• Malnutrition

• Infections

• Medical drugs

HOW ARE PEOPLE AWARE OF DYSLEXİA?

• Awareness of parents

• Schools role for awareness in USA and Turkey

LAW

• For T.R. Ministry of Health-Disabilities Rates Ruler

20-30% of dylexic > disability

• In USA

Prevalence rates 10-15%

Several States have rules and law,but several not

LET’S TEST YOURSELF FOR DYSLEXIA

• Vinegrad Test

Average 12.7=dyslexic

Average 4.4=no dyslexic

To test more,

http://www.akademidisleksi.com/online-disleksi-testi/2/

REFERENCESYouman, M., & Mather, N. (2013). Dyslexia Laws in USA. The International Dyslexia Association, 63, 133-153.

Pevnzer, H. (2015). When Reading Isn’t Easy. Scholastic.com/ParentandChild, 64-67.

Hudson, R. F., High, L., & Otaiba, S. A. (2007). Dyslexia and The Brain: What does current research tell us? International Reading Association, 506-515.

Shaywitz, B. A., & Shaywitz, S. E. (2003). Dyslexia (Specific Reading Disability). Pediatrics in Review, 24(5). 147-152.

Shaywitz, B. A., & Shaywitz, S. E. (2008). Paying Attention to Reading: The Neurobiology of Reading and Dyslexia. Development and Psychopatology, 20. 1329, 1349.

Gilger, J. W. (2008). Some special issues concerning the genetics of dyslexia: Revisiting multivariate profiles, comorbidities, and genetic correlations. In G. Reid, A. Fawcett, F. Manis and L. Sieegel, The Sage Dyslexia Handbook. London:Sage.

Snowling, M. J. (2000). Dyslexia(2nd ed.). Oxford: Blackwell.

Reid, G. (2011). Dyslexia:A complete guide for parent and those who help them (2nd ed.).

Stein, J. (2008). The neurobiological basis of dyslexia. The Sage Dyslexia Handbook. Londan: Sage.

www.medicalnewstoday.com

www.disleksi.info

Olulade, O. A., Napoliello, E. M., & Eden, G. F. (2013). Abnormal Visual Motion Processing is not a Cause of Dyslexia. Neuron, 79(1). 180-190.