Olfactory deprivation in pigeons: examination of methods applied in homing experiments.

  title={Olfactory deprivation in pigeons: examination of methods applied in homing experiments.},
  author={Hans G. Wallraff},
  journal={Comparative biochemistry and physiology. A, Comparative physiology},
  volume={89 4},
1. Effectiveness of three methods of olfactory deprivation or impairment was tested by means of unconditioned cardiac acceleration in response to odorous stimuli. 2. Occlusion of nostrils reduced stimulus intensity to approx. 20-30% of the level in unimpeded state. Capability of stimulus quantification remained unimpaired. 3. Bilateral olfactory nerve section and backward bending of the nerve stumps irreversibly eliminated responses to weaker stimuli. With higher concentrations of the odorant… CONTINUE READING
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