Magnetoencephalographic 10-Hz rhythm from the human auditory cortex

J. Tiihonen, R. Hari*, M. Kajola, J. Karhu, S. Ahlfors, S. Tissari

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

109 Citations (Scopus)


Spontaneous magnetoencephalographic activity was recorded with a 24-SQUID gradiometer over the lateral aspects of the head in 3 healthy adults. All subjects displayed 8-10 Hz rhythmic activity which was not affected by opening of the eyes but was occasionally dampened by auditory stimuli. The equivalent sources of the rhythm were in the supratemporal auditory cortex, and the activity may therefore represent 'idling' of the auditory cortex. Obviously each sensory projection cortex has its own local spontaneous rhythm.

Original languageEnglish
Pages (from-to)303-305
Number of pages3
JournalNeuroscience Letters
Issue number2
Publication statusPublished - 19 Aug 1991
MoE publication typeA1 Journal article-refereed


  • Auditory cortex
  • Magnetoencephalographic recording
  • Man
  • Neuromagnetism
  • Spontaneous cortical activity


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