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- W22642302 endingPage "176" @default.
- W22642302 startingPage "159" @default.
- W22642302 abstract "Disorders of consciousness (DOC) diagnosis relies on the presence or absence of purposeful motor responsiveness, which characterizes the minimally conscious state (MCS) and the unresponsive wakefulness syndrome (UWS), respectively. Functional neuroimaging studies have raised the question of possible residual conscious awareness also in clinically-defined UWS patients. The aim of our study was to identify electrophysiological parameters, by means of a transcranial magnetic stimulation approach, which might potentially express the presence of residual networks sustaining fragmentary behavioral patterns, even when no conscious behavior can be observed.We enrolled 25 severe DOC patients, following post-anoxic or traumatic brain injury and 20 healthy individuals (HC) as control group. Baseline electrophysiological evaluation evidenced, in comparison to HC, a partial preservation of cortical effective connectivity and excitability in clinically defined MCS, whereas these components were absent in clinically defined UWS. Then, we applied an anodal transcranial direct current stimulation (a-tDCS) protocol over the orbitofrontal cortex.a-tDCS was able to boost cortical connectivity and excitability in all HC, MCS, and to unmask such excitability/connectivity in some UWS patients.a-tDCS could be useful in identifying residual connectivity markers in clinically-defined UWS, who may lack of purposeful behavior as a result of a motor-output failure." @default.
- W22642302 created "2016-06-24" @default.
- W22642302 creator A5043097696 @default.
- W22642302 creator A5066306966 @default.
- W22642302 creator A5074751133 @default.
- W22642302 creator A5076160955 @default.
- W22642302 creator A5085501841 @default.
- W22642302 creator A5086062480 @default.
- W22642302 creator A5088210421 @default.
- W22642302 date "2015-01-01" @default.
- W22642302 modified "2023-10-16" @default.
- W22642302 title "Can transcranial direct current stimulation be useful in differentiating unresponsive wakefulness syndrome from minimally conscious state patients?" @default.
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