Examining the role of endogenous opioids in learned odor-stroke associations in infant rats.

@article{Roth2006ExaminingTR,
  title={Examining the role of endogenous opioids in learned odor-stroke associations in infant rats.},
  author={Tania L Roth and Regina M Sullivan},
  journal={Developmental psychobiology},
  year={2006},
  volume={48 1},
  pages={71-8}
}
Maternal touch profoundly regulates infant neural and behavioral development, and supports learned odor associations necessary for infant attachment. Endogenous opioids are well characterized to mediate the calming and analgesic properties of maternal touch; yet their role in learned odor-touch associations is unknown. We administered naltrexone, an opioid receptor antagonist, before or immediately following classical conditioning with peppermint odor and tactile stimulation (stroking) in rat… CONTINUE READING

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