Magnetoencephalographic 10-Hz rhythm from the human auditory cortex

Neurosci Lett. 1991 Aug 19;129(2):303-5. doi: 10.1016/0304-3940(91)90486-d.


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.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Acoustic Stimulation
  • Adult
  • Auditory Cortex / physiology*
  • Blinking / physiology
  • Electrooculography
  • Evoked Potentials, Auditory / physiology
  • Eye Movements / physiology
  • Humans
  • Magnetoencephalography*
  • Male