The nonword reading deficit in developmental dyslexia: A review

JP Rack, MJ Snowling, RK Olson - Reading Research Quarterly, 1992 - JSTOR
D yslexia is typically defined as a reading and spell-ing problem that cannot be accounted
for by sensory or neurological damage, lack of educational opportunity, or low intelligence …

Reading on the computer with orthographic and speech feedback: An overview of the Colorado remediation project

RK Olson, BW Wise - Reading and Writing, 1992 - Springer
In this paper we present an overview of a computer program directed toward the remediation
of children's deficits in word recognition and phonological decoding. In the present studies …

Understanding the complex etiologies of developmental disorders: behavioral and molecular genetic approaches

EG Willcutt, BF Pennington, L Duncan… - … of Developmental & …, 2010 - journals.lww.com
Objective: This article has 2 primary goals. First, a brief tutorial on behavioral and molecular
genetic methods is provided for readers without extensive training in these areas. To …

Reading comprehension tests vary in the skills they assess: Differential dependence on decoding and oral comprehension

JM Keenan, RS Betjemann… - Scientific Studies of …, 2008 - Taylor & Francis
Comprehension tests are often used interchangeably, suggesting an implicit assumption
that they are all measuring the same thing. We examine the validity of this assumption by …

Neuropsychological analyses of comorbidity between reading disability and attention deficit hyperactivity disorder: In search of the common deficit

EG Willcutt, BF Pennington, RK Olson… - Developmental …, 2005 - Taylor & Francis
Measures of component reading and language skills, executive functions, and processing
speed were administered to groups of children with attention deficit hyperactivity disorder …

The heritability of general cognitive ability increases linearly from childhood to young adulthood

CMA Haworth, MJ Wright, M Luciano, NG Martin… - Molecular …, 2010 - nature.com
Although common sense suggests that environmental influences increasingly account for
individual differences in behavior as experiences accumulate during the course of life, this …

A comparison of the cognitive deficits in reading disability and attention-deficit/hyperactivity disorder.

EG Willcutt, BF Pennington, R Boada… - Journal of abnormal …, 2001 - psycnet.apa.org
This study used a nonreferred sample of twins to contrast the performance of individuals with
reading disability (RD; n= 93), attention-deficit/hyperactivity disorder (ADHD; n= 52), RD and …

DCDC2 is associated with reading disability and modulates neuronal development in the brain

H Meng, SD Smith, K Hager, M Held… - Proceedings of the …, 2005 - National Acad Sciences
DYX2 on 6p22 is the most replicated reading disability (RD) locus. By saturating a
previously identified peak of association with single nucleotide polymorphism markers, we …

Processing speed deficits in attention deficit/hyperactivity disorder and reading disability

MA Shanahan, BF Pennington, BE Yerys… - Journal of abnormal …, 2006 - Springer
The goal of the current study was to test whether deficits in processing speed (PS) may be a
shared cognitive risk factor in reading disability (RD) and Attention Deficit/Hyperactivity …

Comorbidity between reading disability and math disability: Concurrent psychopathology, functional impairment, and neuropsychological functioning

EG Willcutt, SA Petrill, S Wu, R Boada… - Journal of learning …, 2013 - journals.sagepub.com
Reading disability (RD) and math disability (MD) frequently co-occur, but the etiology of this
comorbidity is not well understood. Groups with RD only (N= 241), MD only (N= 183), and …