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Hongcai Liu
Stimulus (physiology)PerceptionAffect (psychology)ElectroencephalographySensory system
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Publications 2
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#1Hongcai Liu (Heidelberg University)
#2Jamila Andoh (Heidelberg University)H-Index: 8
Last. Herta Flor (Heidelberg University)H-Index: 96
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BACKGROUND: Following amputation, nearly all amputees report non-painful phantom phenomena and many of them suffer from chronic phantom limb pain (PLP) and residual limb pain (RLP). The etiology of PLP remains elusive and there is an ongoing debate on the role of peripheral and central mechanisms. Few studies have examined the entire somatosensory pathway from the truncated nerves to the cortex in amputees with PLP compared to those without PLP. The relationship between afferent input, somatosen...
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#1Yuanyuan LyuH-Index: 3
#2Francesca ZiddaH-Index: 2
Last. Jamila AndohH-Index: 8
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Pain is a multidimensional process, which can be modulated by emotions, however, the mechanisms underlying this modulation are unknown. We used pictures with different emotional valence (negative, positive, neutral) as primes and applied electrical painful stimuli as targets to healthy participants. We assessed pain intensity and unpleasantness ratings and recorded electroencephalograms (EEG). We found that pain unpleasantness, and not pain intensity ratings were modulated by emotion, with incre...
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