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Neurological Sciences
Published in: Neurological Sciences 7/2019

Open Access 01-07-2019 | Apallic Syndrome | Original Article

Emotional consciousness preserved in patients with disorders of consciousness?

Authors: Jian Gao, Min Wu, Yuehao Wu, Ping Liu

Published in: Neurological Sciences | Issue 7/2019

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Abstract

Increasing evidence from studies of brain responses to subject’s own name (SON) indicates that residual consciousness is preserved in patients with disorders of consciousness (DOC) and that specific network activation might provide evidence of consciousness. However, it remains unclear whether SON is suitable for detection of emotional consciousness; moreover, the particular aspects of brain network organization that are critical for consciousness are unknown. The present study used an innovative approach to explore affective consciousness in patients with DOC during emotional stimuli. EEG data were acquired from 15 patients and 15 healthy volunteers. We analyzed brain potentials and functional network connectivity with a passive emotional paradigm based on graph theoretical methods. Larger N1 or P3a was detected in patients upon exposure to emotional sound, relative to neutral stimuli. Brain topology revealed that emotional sound evoked significantly stronger network linkages in healthy controls; additionally, it evoked several connectivity changes in patients with DOC. In conclusion, emotional consciousness might be partially preserved in patients with DOC; moreover, EEG network patterns could provide new insights into the neural activity of emotional perception in these patients.
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Metadata
Title
Emotional consciousness preserved in patients with disorders of consciousness?
Authors
Jian Gao
Min Wu
Yuehao Wu
Ping Liu
Publication date
01-07-2019
Publisher
Springer International Publishing
Published in
Neurological Sciences / Issue 7/2019
Print ISSN: 1590-1874
Electronic ISSN: 1590-3478
DOI
https://doi.org/10.1007/s10072-019-03848-w

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