Interactions between contact and chemosensory mechanisms in pain modulation in 10-day-old rats.
作者： Elliott M. Blass
DOI: 10.1037//0735-7044.111.1.147
关键词:
摘要: Antinociception was evaluated in 10-day-old rats while suckling or contact with the mother. Testing occurred during, immediately after, at 30 and 60 s following milk-induced hyperextension. Hyperextension-induced hypoalgesia terminated stretch cessation. For rats, baseline escape levels were reacheived within 1 min. also manifest but elevated by Sublingual infusions into anterior portion of mouth that either caused a 20-25-s increase latencies. latencies returned to infusion termination. continued be for least 5 min postinfusion. Thus, 3 classes mother-infant interactions, contact, suckling, hyperextension during milk letdown, cause varying degrees rats.
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