Tinnitus pp 97-119 | Cite as

Dorsal Cochlear Nucleus: Somatosensory–Auditory Interactions in Tinnitus

  • Susanne Dehmel
  • Seth D. Koehler
  • Susan E. Shore
Part of the Springer Handbook of Auditory Research book series (SHAR, volume 44)


In normal individuals, phantom auditory sensations like tinnitus can develop during head, neck, and jaw muscle contractions (Levine et al., 2003). In more than two thirds of people with chronic tinnitus, active and passive manipulations of these regions, such as jaw clenching or tensing the neck muscles, can alter the loudness, pitch, and location of the tinnitus (Pinchoff et al., 1998; Levine, 1999), and tinnitus can occur after somatosensory insults (Rubinstein et al., 1990). These observations led to the definition of a “somatic tinnitus” syndrome (Levine et al., 2003) in which an imbalance of bimodal somatosensory–auditory integration was hypothesized as its underlying cause (Levine, 1999; Shore et al., 2007). After noise-induced tinnitus, somatic tinnitus is the second most common type of tinnitus (Eggermont, 2005).


Trigeminal Ganglion Inferior Colliculus Noise Exposure Cochlear Nucleus Dorsal Column 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Financial support was received from NIH R01 DC004825 to S. E. Shore, the Tinnitus Research Consortium, and T32 DC001 to S. D. Koehler. The authors thank Ben Yates for expert assistance with illustrations.



dorsal cochlear nucleus


dorsal root ganglion


functional magnetic resonance imaging


granule cell domain


inferior colliculus


medullary somatosensory nuclei


spontaneous firing rate


spinal trigeminal nucleus


spinal trigeminal tract


trigeminal ganglion


ventral cochlear nucleus


vesicular glutamate transporter


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Susanne Dehmel
    • 1
  • Seth D. Koehler
    • 2
  • Susan E. Shore
    • 3
  1. 1.Kresge Hearing Research Institute, Departments of OtolaryngologyUniversity of MichiganAnn ArborUSA
  2. 2.Kresge Hearing Research Institute, Departments of Otolaryngology and Biomedical EngineeringUniversity of MichiganAnn ArborUSA
  3. 3.Kresge Hearing Research Institute, Departments of Otolaryngology and Molecular and Integrative PhysiologyUniversity of MichiganAnn ArborUSA

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