The Role of Gaba in Shaping Frequency Response Properties in the Chinchilla Inferior Colliculus

  • Donald M. Caspary
  • Robert H. Helfert
  • Peggy Shadduck Palombi


In this chapter, we summarize data from several recent single unit iontophoretic studies on the role of GABAA receptor-mediated inhibition in the central nucleus of the inferior colliculus (CIC). Specifically, we will address the role of GABA circuits in shaping acoustically evoked monaural responses in the frequency domain.


Characteristic Frequency Inferior Colliculus Inhibitory Input Response Area Medial Geniculate Body 
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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Donald M. Caspary
    • 1
  • Robert H. Helfert
    • 1
  • Peggy Shadduck Palombi
    • 1
  1. 1.Departments of Pharmacology and Surgery School of MedicineSouthern Illinois UniversitySpringfieldUSA

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