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EEG coherence in post-LSD visual hallucinations

LSD use in certain individuals may result in chronic visual hallucinations, a DSM-IV syndrome known as hallucinogen persisting perception disorder (HPPD). We studied 38 HPPD subjects with a mean of 9.7 years of persistent visual hallucinations and 33...

What is Consciousness?

... gamma coherence is associated with the fast binding of cortical networks necessary for perception and consciousness.8 Modular coherence is the first operating property of a conscious system; precise timing between all areas is necessary for mul...

Gamma coherence and conscious perception

... neural activity has been postulated to underlie binding of independent neural assemblies and thus integrate processing across distributed neuronal networks to achieve a unified conscious experience. Prior studies suggest that gamma activity may pla...

EEG gamma coherence and other correlates of subjective reports during ayahuasca experiences

... might contribute to the discussion of binding theory. Also, in light of recent research with gamma coherence during advanced meditative conditions, our findings might further the comparison of shamanic psychedelic practices with meditatio...

Frequency of gamma oscillations routes flow of information in the hippocampus

... 3, attentional selection4 and memory5, 6. This 'binding' mechanism requires that spatially distributed cells fire together with millisecond range precision7, 8; however, it is not clear how such coordinated timing is achieved given that the frequen...

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