Conditioning of jackdaws (corvus monedula) to normal and modified distress calls
作者： P.A. Morgan , P.E. Howse
DOI: 10.1016/S0003-3472(74)80019-9
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摘要: Abstract The relative effectiveness of normal and modified jackdaw distress calls for inducing avoidance/escape responses was assessed compared using an avoidance conditioning technique with six jackdaws. Conditioning to high-fidelity (HF1) took place over three consecutive daily sessions followed by two extinction. same procedure again used when the birds were presented plus background noise (DCN), (HF2), minus transients (DC-T). There a significant improvement in performance HF2 HF1. Performances DCN DC-T significantly worse than those HF2, but not different from
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