Sound-level-dependent representation of frequency modulations in human auditory cortex: a low-noise fMRI study.

@article{Brechmann2002SoundleveldependentRO,
  title={Sound-level-dependent representation of frequency modulations in human auditory cortex: a low-noise fMRI study.},
  author={Andr{\'e} Brechmann and Frank Baumgart and Henning Scheich},
  journal={Journal of neurophysiology},
  year={2002},
  volume={87 1},
  pages={423-33}
}
Recognition of sound patterns must be largely independent of level and of masking or jamming background sounds. Auditory patterns of relevance in numerous environmental sounds, species-specific vocalizations and speech are frequency modulations (FM). Level-dependent activation of the human auditory cortex (AC) in response to a large set of upward and downward FM tones was studied with low-noise (48 dB) functional magnetic resonance imaging at 3 Tesla. Separate analysis in four territories of AC… CONTINUE READING
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