Joseph C Griffis
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Explore the profile of Joseph C Griffis including associated specialties, affiliations and a list of published articles.
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27
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512
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Recent Articles
11.
Griffis J, Metcalf N, Corbetta M, Shulman G
Neuroimage
. 2020 Feb;
210:116589.
PMID: 32007498
Focal brain lesions disrupt resting-state functional connectivity, but the underlying structural mechanisms are unclear. Here, we examined the direct and indirect effects of structural disconnections on resting-state functional connectivity in...
12.
Griffis J, Metcalf N, Corbetta M, Shulman G
Cell Rep
. 2019 Sep;
28(10):2527-2540.e9.
PMID: 31484066
Stroke causes focal brain lesions that disrupt functional connectivity (FC), a measure of activity synchronization, throughout distributed brain networks. It is often assumed that FC disruptions reflect damage to specific...
13.
Bolden L, Griffis J, Nenert R, Allendorfer J, Szaflarski J
Epilepsy Behav
. 2018 Dec;
90:84-89.
PMID: 30517908
Previously, we demonstrated an association between cortical hyperexcitability and mood disturbance in healthy adults. Studies have documented hyperexcitability in patients with idiopathic generalized epilepsies (IGEs; long-interval intracortical inhibition [LICI]) and...
14.
Bolden L, Griffis J, Nenert R, Allendorfer J, Szaflarski J
Epilepsy Behav
. 2018 Nov;
89:135-142.
PMID: 30415135
We recently found that higher cortical excitability is associated with poorer attention performance in healthy adults. While patients with idiopathic generalized epilepsies (IGEs), previously termed genetic generalized epilepsies, are known...
15.
Griffis J, Nenert R, Allendorfer J, Szaflarski J
Cortex
. 2017 Sep;
96:1-18.
PMID: 28961522
The preservation of near-typical function in distributed brain networks is associated with less severe deficits in chronic stroke patients. However, it remains unclear how task-evoked responses in networks that support...
16.
Bowman A, Griffis J, Visscher K, Dobbins A, Gawne T, DiFrancesco M, et al.
J Clin Neurophysiol
. 2017 Sep;
34(6):527-533.
PMID: 28914659
Purpose: Reports of the relationship between the default mode network (DMN) and alpha power are conflicting. Our goal was to assess this relationship by analyzing concurrently obtained EEG/functional MRI data...
17.
Bolden L, Griffis J, Pati S, Szaflarski J
Neuropsychologia
. 2017 Jun;
102:190-196.
PMID: 28648572
Evidence from clinical populations, such as epilepsy and attention deficit/hyperactivity disorder, suggests a relationship between hyperexcitability and cognitive impairment, but this relationship has not been demonstrated in healthy individuals. Here,...
18.
Damage to white matter bottlenecks contributes to language impairments after left hemispheric stroke
Griffis J, Nenert R, Allendorfer J, Szaflarski J
Neuroimage Clin
. 2017 Mar;
14:552-565.
PMID: 28337410
Damage to the white matter underlying the left posterior temporal lobe leads to deficits in multiple language functions. The posterior temporal white matter may correspond to a bottleneck where both...
19.
Griffis J, Nenert R, Allendorfer J, Vannest J, Holland S, Dietz A, et al.
Hum Brain Mapp
. 2016 Dec;
38(3):1636-1658.
PMID: 27981674
Current theories of language recovery after stroke are limited by a reliance on small studies. Here, we aimed to test predictions of current theory and resolve inconsistencies regarding right hemispheric...
20.
Griffis J, Burge W, Visscher K
Front Aging Neurosci
. 2016 Nov;
8:248.
PMID: 27826238
The cerebral cortex changes throughout the lifespan, and the cortical gray matter in many brain regions becomes thinner with advancing age. Effects of aging on cortical thickness (CT) have been...