scholarly journals Diffusion tensor imaging in children with unilateral hearing loss: a pilot study

2014 ◽  
Vol 8 ◽  
Author(s):  
Tara Rachakonda ◽  
Joshua S. Shimony ◽  
Rebecca S. Coalson ◽  
Judith E. C. Lieu
Keyword(s):  
Hearing Loss ◽  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Diffusion Tensor ◽  
Unilateral Hearing Loss

Diffusion Tensor Imaging Shows Structural Remodeling of Stroke Mirror Region: Results from a Pilot Study

2012 ◽  
Vol 67 (6) ◽  
pp. 370-376 ◽  
Author(s):  
Cristina Granziera ◽  
Hakan Ay ◽  
Susan P. Koniak ◽  
Gunnar Krueger ◽  
A. Gregory Sorensen
Keyword(s):  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Diffusion Tensor ◽  
Structural Remodeling ◽  
Mirror Region

scholarly journals Stuck in a State of Inattention? Functional Hyperconnectivity as an Indicator of Disturbed Intrinsic Brain Dynamics in Adolescents With Concussion: A Pilot Study

ASN NEURO ◽  
2018 ◽  
Vol 10 ◽  
pp. 175909141775380 ◽  
Author(s):  
Angela M. Muller ◽  
Naznin Virji-Babul
Keyword(s):  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Resting State ◽  
Diffusion Tensor ◽  
Brain Dynamics ◽  
Public Health Issue ◽  
Brain Correlates ◽  
Brain States ◽  
The Brain ◽  
Structural Brain

Sports-related concussion in youth is a major public health issue. Evaluating the diffuse and often subtle changes in structure and function that occur in the brain, particularly in this population, remains a significant challenge. The goal of this pilot study was to evaluate the relationship between the intrinsic dynamics of the brain using resting-state functional magnetic resonance imaging (rs-fMRI) and relate these findings to structural brain correlates from diffusion tensor imaging in a group of adolescents with sports-related concussions ( n = 6) and a group of healthy adolescent athletes ( n = 6). We analyzed rs-fMRI data using a sliding windows approach and related the functional findings to structural brain correlates by applying graph theory analysis to the diffusion tensor imaging data. Within the resting-state condition, we extracted three separate brain states in both groups. Our analysis revealed that the brain dynamics in healthy adolescents was characterized by a dynamic pattern, shifting equally between three brain states; however, in adolescents with concussion, the pattern was more static with a longer time spent in one brain state. Importantly, this lack of dynamic flexibility in the concussed group was associated with increased nodal strength in the left middle frontal gyrus, suggesting reorganization in a region related to attention. This preliminary report shows that both the intrinsic brain dynamics and structural organization are altered in networks related to attention in adolescents with concussion. This first report in adolescents will be used to inform future studies in a larger cohort.

scholarly journals Correlation Between White Matter Injury Identified by Neonatal Diffusion Tensor Imaging and Neurodevelopmental Outcomes Following Term Neonatal Asphyxia and Therapeutic Hypothermia: An Exploratory Pilot Study

2019 ◽  
Vol 34 (10) ◽  
pp. 556-566 ◽  
Author(s):  
Gwendolyn J. Gerner ◽  
Eric I. Newman ◽  
V. Joanna Burton ◽  
Brenton Roman ◽  
Elizabeth A. Cristofalo ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
White Matter ◽  
Pilot Study ◽  
Therapeutic Hypothermia ◽  
Diffusion Tensor ◽  
White Matter Injury ◽  
Hypoxic Ischemic Encephalopathy ◽  
Group Differences ◽  
Neurodevelopmental Outcomes ◽  
Ischemic Encephalopathy

Aim: Hypoxic-ischemic encephalopathy is associated with damage to deep gray matter; however, white matter involvement has become recognized. This study explored differences between patients and clinical controls on diffusion tensor imaging, and relationships between diffusion tensor imaging and neurodevelopmental outcomes. Method: Diffusion tensor imaging was obtained for 31 neonates after hypoxic-ischemic encephalopathy treated with therapeutic hypothermia and 10 clinical controls. A subgroup of patients with hypoxic-ischemic encephalopathy (n = 14) had neurodevelopmental outcomes correlated with diffusion tensor imaging scalars. Results: Group differences in diffusion tensor imaging scalars were observed in the putamen, anterior and posterior centrum semiovale, and the splenium of the corpus callosum. Differences in these regions of interest were correlated with neurodevelopmental outcomes between ages 20 and 32 months. Conclusion: Therapeutic hypothermia may not be a complete intervention for hypoxic-ischemic encephalopathy, as neonatal white matter changes may continue to be evident, but further research is warranted. Patterns of white matter change on neonatal diffusion tensor imaging correlated with neurodevelopmental outcomes in this exploratory pilot study.

In vivo diffusion tensor imaging of the human optic nerve: Pilot study in normal controls

2006 ◽  
Vol 56 (2) ◽  
pp. 446-451 ◽  
Author(s):  
C.A.M. Wheeler-Kingshott ◽  
S.A. Trip ◽  
M.R. Symms ◽  
G.J.M. Parker ◽  
G.J. Barker ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Optic Nerve ◽  
Diffusion Tensor ◽  
Human Optic Nerve ◽  
Normal Controls

scholarly journals Diffusion tensor imaging predicts the outcome of constraint-induced movement therapy in chronic infarction patients with hemiplegia: A pilot study

2013 ◽  
Vol 31 (4) ◽  
pp. 387-396 ◽  
Author(s):  
Kohei Marumoto ◽  
Tetsuo Koyama ◽  
Masashi Hosomi ◽  
Takashi Takebayashi ◽  
Keisuke Hanada ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Diffusion Tensor ◽  
Movement Therapy ◽  
Constraint Induced Movement Therapy

scholarly journals Effect of oral appliances on genioglossus muscle tonicity seen with diffusion tensor imaging: A pilot study

2009 ◽  
Vol 107 (3) ◽  
pp. e57-e63 ◽  
Author(s):  
Hideo Shinagawa ◽  
Emi Z. Murano ◽  
Jiachen Zhuo ◽  
Bennett Landman ◽  
Rao P. Gullapalli ◽  
...  
Keyword(s):  
Diffusion Tensor Imaging ◽  
Pilot Study ◽  
Diffusion Tensor ◽  
Oral Appliances ◽  
Genioglossus Muscle
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