Archives of oto-rhino-laryngology

, Volume 233, Issue 1, pp 1–12 | Cite as

Development of surface-recorded cochlear and early neural potentials in the cat

  • E. Laukli
  • I. W. S. Mair


The development of the surface-recorded cochlear and early neural potentials has been studied in the cat from birth to the 8th post-natal week. CM, SP, and each of the neural waves has a characteristic temporal developmental pattern and mature threshold. Wave IV is the most resistant to reduction in stimulus intensity levels, while the thresholds of both cochlear potentials are high. Animals with hereditary unilateral deafness constitute a most convenient model for the study of functional maturation in the auditory pathways, particularly with regard to precise latency estimations.

Key words

CM SP Brainstem response Cat Development 

Entwicklung der an der Oberfläche registrierten cochlearen und frühen neuralen Potentiale bei der Katze


Die Entwicklung der an der Oberfläche registrierten cochlearen und frühen neuralen Potentiale wurde bei der Katze von der Geburt bis zur 8. Woche studiert.

CM, SP und jeder der neuralen Wellen haben ein charakteristisches altersbedingtes Entwicklungsmuster und eine Responsschwelle.

Welle IV wird am wenigsten von einer Reduktion in der Stimulusintensität beeinflußt. Die Schwelle der beiden cochlearen Potentiale sind dagegen erhöht. Tiere mit angeborener einseitiger Taubheit sind bestens geeignet für das Studium der funktionellen Reifung der Gehörbahnen, besonders in bezug auf die exakten Latenzzeitmessungen.


CM SP Hirnstamm-Reaktion Katze Entwicklung 


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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • E. Laukli
    • 1
  • I. W. S. Mair
    • 1
  1. 1.Dept. of Otorhinolaryngology, Institute of Clinical MedicineUniversity of TromsøTromsøNorway

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