9 Clinical Trials for Various Conditions
Dyslexia is a common reading disorder. Specialized instructional programs can improve reading ability in children with dyslexia. This study will use functional magnetic resonance imaging (fMRI) to examine changes in the brains of children who have taken part in these programs.
The purpose of this project is to understand how reading is related to brain function. To do this, participants will perform some reading tasks and then have magnetic resonance imaging (MRI) brain scans. Participants will then receive transcranial magnetic stimulation (TMS) to the reading areas of the brain, followed by a second MRI brain scan. This will temporarily activate reading abilities. We want to better understand how the reading system in the brain functions.
This project aims to explore the feasibility and efficacy of a 6-week, intensive summer literacy intervention provided to children in 1st-3rd grades.
Dyslexia, an impairment in accurate or fluent word recognition, is the most common learning disability affecting roughly ten percent of children. This proposal capitalizes on cutting edge neuroimaging methods, in combination with reading education programs, to generate a new understanding of how successful reading education shapes the development of the brain circuits that support skilled reading. A deeper understanding of the mechanisms of successful remediation of dyslexia, and individual differences in learning, will pave the way for personalized approaches to dyslexia treatment.
The purpose of the proposed study is to use transcranial magnetic stimulation (TMS) to evaluate a neurobiological model of spoken word learning in older youth. Specifically, it is hypothesized that: (1) inhibition of the left dorsal stream will impact subsequent learning, processing, and retention of phonologically similar pseudowords; (2) the impact of dorsal stream inhibition on word learning will be associated with baseline levels of variability in neural activity, indicative of underlying differences in cortical excitability.
Children with developmental language disorder (DLD; also referred to as specific language impairment) experience a significant deficit in language ability that is longstanding and harmful to the children's academic, social, and eventual economic well-being. Word learning is one of the principal weaknesses in these children. This project focuses on the word learning abilities of four- and five-year-old children with DLD. The goal of the project is to build on the investigators' previous work to determine whether, as has been found thus far, special benefits accrue when these children must frequently recall newly introduced words during the course of learning. In this study, the investigators seek to replicate the advantage that repeated retrieval holds over simple exposure to the words and to demonstrate an increase in children's absolute levels of learning by implementing retrieval practice in the context of a story book.
The current literature on academic skill difficulties, whether considered as part of the continuum of ability or as a specific learning disability (LD), indicates that these problems often coexist with conduct problems and juvenile delinquency, and are risk factors for initial law-breaking behavior and for its persistence. However, less is understood about how this relationship develops. It is these broad questions that this project seeks to address. First, what is the causal pathway? Does LD cause delinquency, delinquency cause LD, or are both caused by something else? And can big data analytics applied to statewide datasets of information about juvenile justice (JJ) involvement help to answer this question? Second, as it is known that learning to read and do math (and thus becoming more employable) increases the likelihood of desistance (i.e., not committing any more illegal acts), what are the necessary parts of an intervention designed to teach these skills? And what role might technology play in such an intervention? To answer these questions, we will implement a study that includes two components, (a) a big data component and (b) an intervention component. For (a), we will work with a large historical dataset from the Harris County Juvenile Probation Department. For (b), we will work, in total, with 192 (48 per year) delinquent youth with severe LD in residential placement. These individuals, in a nonconcurrent multiple baseline design, will be offered an educational therapy designed to address severe reading problems in juvenile detainees using a novel mixed media intervention in which the person-to-person intensive 1:1 component is completed while youth are in residential settings (24 sessions, delivered in 90 minute settings 3 times a week) and a "gamified" educational smartphone learning tool follow-up completed upon release (with appropriate network fidelity monitoring and participant reinforcement). The person-to-person component is developed specifically for juvenile offenders with severe LD, combining two well-established and highly-regarded intervention programs designed to systematically build students' repertoire of grapheme-phoneme correspondence rules as well as develop comprehensive reading skills, from beginning reading to proficiency.
Developmental Language Disorder (DLD) affects approximately seven percent of the population and is characterized by grammatical deficits that cascade into lifelong academic challenges and under-employment. Current treatments for DLD produce good outcomes under ideal, high intensity conditions or when parents have been trained to deliver therapy using intense coaching methods; however, current publicly funded service delivery systems and private-pay reimbursement models do not support treatment being delivered in this ideal fashion for children older than three. This project will examine alternative methods of delivering treatment that may be more feasible under typical conditions and will identify implementation barriers, with the goal of improving long-term outcomes for children with DLD. We hypothesize that feasibility and palatability will influence dose, which will in turn affect the overall language outcomes.
The goal of this study is to examine the impact of a caregiver-implemented shared reading program, Sit Together and Read (STAR), on children ages 4 to 5 with developmental language disorder. The main questions it aims to answer are: * how much STAR impacts children's literacy skills in the short-term and long-term--up to two-years after completing STAR. * how do caregiver supports in the form of small monetary rewards or encouraging texts help caregivers to implement STAR at its intended frequency of sessions per week. Caregiver participants will be assigned to either a control group or one of three STAR groups. Children's skills related to literacy and learning will be assessed before the intervention starts, at the end of the intervention, and every six months post-intervention for two years. Researchers will determine the short term and long term impacts of STAR compared to the control group. Researchers will compare the three STAR conditions to see if the rewards or encouragement helped parents to follow through with completing more STAR sessions.