Reactions of human auditory cortex to a change in tone duration

E. Kaukoranta, M. Sams*, R. Hari, Matti Hämäläinen, R. Näätänen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

116 Citations (Scopus)


Auditory evoked magnetic fields were measured using a stimulation sequence where repetitive identical tone bursts were randomly and infrequently replaced by shorter tones. The deviation in the stimulus duration evoked a specific response, the mismatch field, peaking about 130 ms after the end of the shorter stimulus. The response can be explained by neural activity at the supratemporal auditory cortex. The results suggest the existence of a neural mechanism specific to changes in sound duration.

Original languageEnglish
Pages (from-to)15-21
Number of pages7
JournalHearing Research
Issue number1
Publication statusPublished - Aug 1989
MoE publication typeA1 Journal article-refereed


  • Duration
  • Evoked response
  • Magnetoencephalography
  • Man
  • Mismatch field


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