Abstract:
:We used an electrophysiological marker of linguistic discordance, the N400 wave, to investigate how linguistic and pseudo-linguistic stimuli are categorised during sleep as compared to waking. During wakefulness, signs of discordance detection were, as expected, greater for pseudo-words than for real but semantically incongruous words, relative to congruous words. In sleep stage 2 all signs of hierarchic process of discordance disappeared. A new hierarchic process reappeared in paradoxical sleep, which differed from that of waking, responses to pseudo-words being similar to those to congruous words. Linguistic absurdity appears to be accepted in a different manner during paradoxical sleep than during waking, and this might explain why absurd contents are so naturally incorporated into otherwise plausible dream stories.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Perrin F,Bastuji H,Garcia-Larrea Ldoi
10.1097/00001756-200207190-00026subject
Has Abstractpub_date
2002-07-19 00:00:00pages
1345-9issue
10eissn
0959-4965issn
1473-558Xjournal_volume
13pub_type
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