Joshua B Ewen
Affiliation: Kennedy Krieger Institute
- Dynamics of functional and effective connectivity within human cortical motor control networksJoshua B Ewen
Department of Neurology and Developmental Medicine, Kennedy Krieger Institute, 707 N Broadway, Baltimore, MD 21205, USA Department of Neurology, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Baltimore, MD 21287, USA Electronic address
Clin Neurophysiol 126:987-96. 2015..Praxis relies on a network consisting of inferior parietal and premotor regions, particularly on the left, and is thought to require transformation of spatio-temporal representations (parietal) into movement sequences (premotor)...
- Cognitive and EEG fluctuation in benign childhood epilepsy with central-temporal spikes: a case seriesJoshua B Ewen
Kennedy Krieger Institute, Neurology and Developmental Medicine, 707N Broadway Baltimore, MD 21205, United States
Epilepsy Res 97:214-9. 2011..All showed greater than normal test-retest variability. Daytime EEG abnormalities were also variable. Short-term fluctuations in cognitive function appear common in children with BECTS, potentially impacting academic performance...
- Multiple task interference is greater in children with ADHDJoshua B Ewen
Department of Neurology and Developmental Medicine, Kennedy Krieger Institute, Baltimore, Maryland, USA
Dev Neuropsychol 37:119-33. 2012..A total of 19 school-aged children with ADHD showed a prolonged PRP effect compared with 25 control children, suggesting a higher cognitive cost in ADHD for multitasking...
- Use of quantitative EEG in infants with port-wine birthmark to assess for Sturge-Weber brain involvementJoshua B Ewen
Department of Neurology and Developmental Medicine, Kennedy Krieger Institute, Baltimore, MD 21205, USA
Clin Neurophysiol 120:1433-40. 2009..The current study looks at the ability of qEEG to differentiate between infants with radiographically demonstrated SWS and those without...
- Myoclonic-astatic epilepsy in a child with Sturge-Weber syndromeJoshua B Ewen
Department of Neurology, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
Pediatr Neurol 36:115-7. 2007..In such cases, treatment with a broad-spectrum antiepileptic may be advantageous...
- Decreased Modulation of EEG Oscillations in High-Functioning Autism during a Motor Control TaskJoshua B Ewen
Department of Neurology and Developmental Medicine, Kennedy Krieger InstituteBaltimore, MD, USA Department of Neurology, Johns Hopkins University School of MedicineBaltimore, MD, USA Department of Psychological and Brain Sciences, Johns Hopkins UniversityBaltimore, MD, USA
Front Hum Neurosci 10:198. 2016..Impaired imitation has been associated with core features of ASD. Altered modulation of oscillatory activity may be mechanistically involved in those aspects of motor network function that relate to the core symptoms of ASD. ..
- Practicing Novel, Praxis-Like Movements: Physiological Effects of RepetitionJoshua B Ewen
Clinical Neurophysiology Laboratory, Department of Neurology and Developmental Medicine, Kennedy Krieger InstituteBaltimore, MD, USA Department of Neurology, Johns Hopkins University School of MedicineBaltimore, MD, USA Department of Psychological and Brain Sciences, Johns Hopkins University Krieger School of Arts and SciencesBaltimore, MD, USA
Front Hum Neurosci 10:22. 2016....
- Quantitative EEG asymmetry correlates with clinical severity in unilateral Sturge-Weber syndromeLaura A Hatfield
Department of Neurology, Kennedy Krieger Institute, Baltimore, MD 21205, USA
Epilepsia 48:191-5. 2007..SWS results in ischemic brain injury, seizures, and neurologic deficits. We hypothesized that a decrease in quantitative EEG (qEEG) power, on the affected side, correlates with clinical severity in subjects with SWS...
- The role of alpha oscillations in deriving and maintaining spatial relations in working memoryKara J Blacker
Department of Psychological and Brain Sciences, Johns Hopkins University, 3400 N Charles St, Baltimore, MD, 21218, USA
Cogn Affect Behav Neurosci 16:888-901. 2016..These results demonstrate that maintaining spatial relations and locations in WM rely on distinct neural oscillatory patterns. ..
- Technical tips: performing EEGs and polysomnograms on children with neurodevelopmental disabilitiesValerie Paasch
Kennedy Krieger Institute, Baltimore, Maryland, USA
Neurodiagn J 52:333-48. 2012....
- Altered connectivity and action model formation in autism is autismStewart H Mostofsky
Laboratory for Neurocognitive and Imaging Research, Kennedy Krieger Institute, and Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21230, USA
Neuroscientist 17:437-48. 2011..This line of study can lead to important advances in understanding the neural basis of autism and, more critically, can be used to guide effective therapies targeted at improving social, communicative, and motor function...
- Functional status of children with encephalitis in an inpatient rehabilitation setting: a case seriesYogita I Tailor
Department of Physical Medicine and Rehabilitation, Sinai Hospital of Baltimore, Baltimore, MD, USA
J Pediatr Rehabil Med 6:163-73. 2013..Patterns and predictors of recovery from encephalitis are poorly understood...
- Dyspraxia in ASD: Impaired coordination of movement elementsDanielle McAuliffe
Department of Neurology and Developmental Medicine, Kennedy Krieger Institute, 707 N Broadway, Baltimore, Maryland, 21205
Autism Res . 2016..Such deficits could relate to models of social interaction that highlight the parallel-processing nature of social communication. Autism Res 2016,. © 2016 International Society for Autism Research, Wiley Periodicals, Inc...
- Maintenance of relational information in working memory leads to suppression of the sensory cortexAkiko Ikkai
Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, Maryland
J Neurophysiol 112:1903-15. 2014....
- Variations in EEG discharges predict ADHD severity within individual Smith-Lemli-Opitz patientsJohn M Schreiber
From the EEG Section, NINDS J M S, Medical Genetics Branch, National Human Genome Research Institute S E S, A L G, and Program on Developmental Endocrinology and Genetics, NICHD C A W, NIH, Bethesda Departments of Child and Adolescent Psychiatry D C L, E T and Neurology and Developmental Medicine W H T, J B E, Kennedy Krieger Institute, Baltimore Departments of Neurology W H T, J B E and Psychiatry and Behavioral Sciences E T, Johns Hopkins University School of Medicine, Baltimore, MD Department of Pediatric Neurology W H T, F D P, Penn State Hershey Children s Hospital, Hershey, PA Department of Biostatistics B S C, Johns Hopkins University School of Public Health, Baltimore, MD Department of Neurology A L G, Children s National Medical Center and George Washington University of the Health Sciences A L G, Washington, DC
Neurology 83:151-9. 2014..We sought to examine the prevalence of EEG abnormalities in Smith-Lemli-Opitz syndrome (SLOS) as well as the relationship between interictal epileptiform discharges (IEDs) and within-subject variations in attentional symptom severity...
- Disorders of attention or learning in neurodevelopmental disordersJoshua B Ewen
Johns Hopkins University School of Medicine, Department of Pediatrics, Kennedy Krieger Institute, Baltimore, MD 21205, USA
Semin Pediatr Neurol 12:229-41. 2005..Nevertheless, failure to recognize, diagnose, and manage these disorders may result in unsuccessful community integration...