Appetitive odor-cue conditioning attenuates the acoustic startle response in rats.

@article{Schneider2008AppetitiveOC,
  title={Appetitive odor-cue conditioning attenuates the acoustic startle response in rats.},
  author={Miriam Schneider and Rainer Spanagel},
  journal={Behavioural brain research},
  year={2008},
  volume={189 1},
  pages={226-30}
}
We here show that a neutral odor previously paired with a positive emotional context is an effective stimulus for attenuating the acoustic startle response (ASR) in rats. Olfactory cues can, therefore, be effectively used in the startle probe procedure for appetitive conditioning. This cue-induced reduction in ASR is not related to attentional alterations or a more general arousal by odor presentation, the conditioned olfactory cue rather elicits a pleasant emotional state during which the ASR… CONTINUE READING

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