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Decisions Made with Less Evidence Involve Higher Levels of Corticosubthalamic Nucleus Theta Band Synchrony
2016
Journal of Cognitive Neuroscience
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Consistent with the idea that medial pFC-STN activity is involved in executing cognitive control, the higher levels of ambiguity during these trials were associated with increased theta band synchrony ...
Notably, this resulted in a decision being made with a lower amount of instantaneous evidence during the slow and medium trials. ...
are asked to make decisions during higher levels of uncertainty. ...
doi:10.1162/jocn_a_00934
pmid:26845109
pmcid:PMC5111088
fatcat:p4shqejkhje55mt2alk2uzx7d4
Oscillations and the basal ganglia: Motor control and beyond
2014
NeuroImage
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Here, we discuss the functional association of oscillations in the basal ganglia and their relationship with cortical activity. ...
Evidence is accruing from cortical and sub-cortical recordings that these rhythms may be functionally important, although the precise details of their roles remain unclear. ...
Higher levels of theta and alpha STN power are associated with improved motor performance, at least in PD. ...
doi:10.1016/j.neuroimage.2013.05.084
pmid:23711535
pmcid:PMC4813758
fatcat:s3x3qt5a2fhsxicf42cygxoyse
Non-motor Characterization of the Basal Ganglia: Evidence From Human and Non-human Primate Electrophysiology
2018
Frontiers in Neuroscience
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For several decades studies have employed numerous methodologies to uncover evidence pointing to the basal ganglia as a hub of both motor and non-motor function. ...
We begin by introducing common electrophysiological methodologies for basal ganglia investigation, and then we discuss studies across numerous non-motor domains-emotion, response inhibition, conflict, decision-making ...
ACKNOWLEDGMENTS The authors wish to thank Daniel Martinez-Ramirez, Adolfo Ramirez-Zamora, Wissam Deeb, Christopher Hess, Joshua Wong, Leonardo Almeida, and the entire Brain Mapping Laboratory at the University of ...
doi:10.3389/fnins.2018.00385
pmid:30026679
pmcid:PMC6041403
fatcat:lxtih7idzrbhpcuyf6ds4jer2q
What basal ganglia changes underlie the parkinsonian state? The significance of neuronal oscillatory activity
2013
Neurobiology of Disease
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Neuronal hyper-synchronization in the beta (or any other) band is not present despite the presence of bradykinetic features in the rat and monkey models, suggesting that increased beta band power may arise ...
(MPTP)-treated monkeys, all of which are associated with severe striatal dopamine depletion. ...
with a post-decision change of the corticalbasal ganglia system, which decreases interference with putative competitive actions. ...
doi:10.1016/j.nbd.2013.05.010
pmid:23727447
pmcid:PMC4318562
fatcat:jqxlkm7chbe6xkjr4ajxsyubyy
Neural Correlates of Freezing of Gait in Parkinson's Disease: An Electrophysiology Mini-Review
2020
Frontiers in Neurology
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Freezing of gait (FoG) is a disabling symptom characterized as a brief inability to step or by short steps, which occurs when initiating gait or while turning, affecting over half the population with advanced ...
Yet, due to the complexity of FoG and the lack of a complete understanding of its mechanism, no clear consensus has been reached on the best treatment options. ...
The increased power in the low-beta and theta bands was found to be associated with FoG vulnerability. ...
doi:10.3389/fneur.2020.571086
pmid:33240199
pmcid:PMC7683766
fatcat:weysy6cv6zauddjpvttqw6kehq
Abstracts
2012
Stereotactic and Functional Neurosurgery
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A reduction of quantitative EEG spectral overactivities can be observed particularly in the delta and theta frequency bands. ...
Methods: We developed a DICOM viewer optimized for Neurosurgeons with a touch-less interface that facilitates the way they interact with the viewer during the surgery. ...
However, the authors think many neurosurgical institute might experience recurring cases of deafferentation pain after DREZotomy for the brachial plexus injury. ...
doi:10.1159/000342226
pmid:23018450
fatcat:tbt5hgte3rf4fna3dytqapi4vq