Abstract:
:Rhythms are a prominent signature of brain activity. Their expression is correlated with numerous examples of healthy information processing and their fluctuations are a marker of disease states. Yet, their causal or epiphenomenal role in brain function is still highly debated. We review recent studies showing brain rhythms are not always 'rhythmic', by which we mean representative of repeated cycles of activity. Rather, high power and continuous rhythms in averaged signals can represent brief transient events on single trials whose density accumulates in the average. We also review evidence showing time-domain signals with vastly different waveforms can exhibit identical spectral-domain frequency and power. Further, non-oscillatory waveform feature can create spurious high spectral power. Knowledge of these possibilities is essential when interpreting rhythms and is easily missed without considering pre-processed data. Lastly, we discuss how these findings suggest new directions to pursue in our quest to discover the mechanism and meaning of brain rhythms.
journal_name
Curr Opin Neurobioljournal_title
Current opinion in neurobiologyauthors
Jones SRdoi
10.1016/j.conb.2016.06.010subject
Has Abstractpub_date
2016-10-01 00:00:00pages
72-80eissn
0959-4388issn
1873-6882pii
S0959-4388(16)30076-9journal_volume
40pub_type
杂志文章,评审abstract::Vestibulo-ocular reflexes (VOR) assist retinal image stabilization during vertebrate locomotion thereby ensuring accurate visual perception. The importance of this motor behavior for animal survival requires that the underlying circuitry and all individual components are fully developed and functional as soon as post-...
journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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journal_title:Current opinion in neurobiology
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