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  • 标题:EFFECT OF TELENCEPHALIC ABLATION ON APPETITIVE INSTRUMENTAL LEARNING IN THE GOLDFISH (CARASSIUS AURATUS
  • 本地全文:下载
  • 作者:Emilio Durán ; Juan P. Vargas ; Cosme Salas
  • 期刊名称:Psicothema
  • 印刷版ISSN:0214-9915
  • 电子版ISSN:1886-144X
  • 出版年度:2000
  • 卷号:12
  • 期号:4
  • 页码:520-524
  • 出版社:Cologio Oficial de Psicólogos del Principado
  • 摘要:Goldfish received either bilateral ablation of the telencephalon or a sham operation, followed by instrumental training under widely-spaced conditions (one trial per day). Animals were trained to swim in a runway for either continuous reinforcement or 50% partial reinforcement. Thirty-two daily acquisition sessions were followed by 32 daily extinction sessions during which food was withheld. Telencephalic lesions disrupted early acquisition performance, but lesioned animals achieved an asymptotic performance similar to that of sham controls. Extinction was facilitated by the lesions, independently of the schedule of reinforcement used during acquisition. The results are interpreted in relation to comparative research on spaced-trial appetitive instrumental learning in vertebrates.
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