User profiles for J. Keith Smith

J. Keith Smith

University of North Carolina
Verified email at med.unc.edu
Cited by 12815

Optimality in human motor performance: ideal control of rapid aimed movements.

…, S Kornblum, CE Wright, JE Keith Smith - Psychological …, 1988 - psycnet.apa.org
A stochastic optimized-submovement model is proposed for Fitts' law, the classic logarithmic
trade-off between the duration and spatial precision of rapid aimed movements. According …

A structural MRI study of human brain development from birth to 2 years

…, C Kang, D Evans, K Wilber, JK Smith… - Journal of …, 2008 - Soc Neuroscience
Brain development in the first 2 years after birth is extremely dynamic and likely plays an
important role in neurodevelopmental disorders, including autism and schizophrenia. …

Evidence on the emergence of the brain's default network from 2-week-old to 2-year-old healthy pediatric subjects

…, H Zhu, KS Giovanello, JK Smith… - Proceedings of the …, 2009 - National Acad Sciences
Several lines of evidence have implicated the existence of the brain's default network during
passive or undirected mental states. Nevertheless, results on the emergence of the default …

Regional gray matter growth, sexual dimorphism, and cerebral asymmetry in the neonatal brain

…, RC Knickmeyer, DD Evans, JK Smith… - Journal of …, 2007 - Soc Neuroscience
Although there has been recent interest in the study of childhood and adolescent brain
development, very little is known about normal brain development in the first few months of life. In …

Correlation of myo-inositol levels and grading of cerebral astrocytomas

M Castillo, JK Smith, L Kwock - American Journal of …, 2000 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: In a limited number of patients, the level of myo-inositol (MI),
as seen by proton magnetic resonance spectroscopy (HMRS), has been shown to differ …

Apparent diffusion coefficients in the evaluation of high-grade cerebral gliomas

M Castillo, JK Smith, L Kwock… - American journal of …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Preliminary data indicate that apparent diffusion coefficient
(ADC) values may be useful in identifying and grading primary cerebral tumors. We tested …

Intracranial Hemorrhage in Asymptomatic Neonates: Prevalence on MR Images and Relationship to Obstetric and Neonatal Risk Factors1

CB Looney, JK Smith, LH Merck, HM Wolfe… - Radiology, 2007 - pubs.rsna.org
Purpose: To retrospectively evaluate the prevalence of neonatal intracranial hemorrhage (ICH)
and its relationship to obstetric and neonatal risk factors. Materials and Methods: …

Functional network development during the first year: relative sequence and socioeconomic correlations

…, CR Hernandez-Castillo, JK Smith, J Ramirez… - Cerebral …, 2015 - academic.oup.com
The first postnatal year is characterized by the most dramatic functional network development
of the human lifespan. Yet, the relative sequence of the maturation of different networks …

Development of human brain cortical network architecture during infancy

W Gao, S Alcauter, JK Smith, JH Gilmore… - Brain Structure and …, 2015 - Springer
The brain’s mature functional network architecture has been extensively studied but the
early emergence of the brain’s network organization remains largely unknown. In this study, …

Vessel tortuosity and brain tumor malignancy: a blinded study1

…, D Zeng, G Gerig, S Aylward, S Joshi, JK Smith… - Academic radiology, 2005 - Elsevier
RATIONALE AND OBJECTIVES: Malignancy provokes regional changes to vessel shape.
Characteristic vessel tortuosity abnormalities appear early during tumor development, affect …