L-dopa and apomorphine disrupt long- but not short-behavioural chains.

@article{Schmidt1984LdopaAA,
  title={L-dopa and apomorphine disrupt long- but not short-behavioural chains.},
  author={Werner H. Schmidt},
  journal={Physiology & behavior},
  year={1984},
  volume={33 5},
  pages={671-80}
}
Apomorphine (0.01-0.5 mg/kg) disrupted fighting between two male ferrets. The number of bites and neck nuzzling were decreased dose-dependently. At 0.05 and 0.1 mg/kg scent-marking and collateral behaviour were increased, at 0.5 mg/kg stereotyped sniffing was induced. L-dopa (120 mg/kg + 30 mg/kg benserazide) exerted similar effects to apomorphine 0.05 mg/kg. Thus, the dopamine (DA) agonists increased short chain responses but disrupted long ones. Haloperidol (0.2 mg/kg) facilitated inter-male… CONTINUE READING

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