中华倒刺鲃幼鱼联想学习能力研究
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重庆师范大学

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Study on the Associative Learning Ability of Juvenile Spinibarbus sinensis
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Chongqing Normal University

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    摘要:

    为探究中华倒刺鲃(Spinibarbus sinensis)幼鱼的联想学习能力及联想学习训练对其社会性的影响,本研究以社会奖励作为强化条件,构建了“视觉线索—社会奖励”联想学习模式。将20尾实验幼鱼随机分为训练组和对照组,训练组接受为期30 d的联想学习训练,期间记录其学习表现的相关行为学指标。训练结束后,比较两组实验鱼的学习表现指标以评估联想学习效果,同时测定两组鱼的社会性指标以评估训练对社会性的影响。结果显示:训练组的首次出门时间、首次选择时间及首次选择正确时间均随训练天数呈统计学意义上的缩短(p<0.01);累计选择正确率与首次选择正确率均随训练天数增加呈统计学意义上的提高(p<0.05),表明中华倒刺鲃具备联想学习能力。社会性测试结果显示,训练组仅平均游泳速度高于对照组,差异具有统计学意义(p=0.04);而距刺激鱼群平均距离及靠近刺激鱼群的偏好时间占比这两项核心社会性指标的组间差异均不具有统计学意义(p>0.05)。上述结果表明,中华倒刺鲃幼鱼能够通过训练建立稳定的关联记忆,但短期联想学习训练尚不足以改变其社会性的核心特征。

    Abstract:

    To investigate the associative learning ability of juvenile Spinibarbus sinensis and the effects of associative learning training on their sociality, this study established a "visual cue-social reward" associative learning paradigm using social reward as the reinforcement condition. Twenty experimental juvenile fish were randomly divided into a training group and a control group. The training group received 30 days of associative learning training, during which relevant behavioral indicators of their learning performance were recorded. After the training, the learning performance indicators of the two groups were compared to evaluate the effect of associative learning, and the sociality indicators of both groups were measured to assess the impact of training on sociality.The results showed that the first exit time, first choice time, and first correct choice time of the training group decreased significantly with training days (p<0.01). Both the cumulative choice accuracy and first choice accuracy increased significantly with the increase of training days (p<0.05), indicating that S. sinensis possesses associative learning ability. The sociality test results showed that only the average swimming speed of the training group was significantly higher than that of the control group (p=0.04). However, there were no statistically significant intergroup differences in the two core sociality indicators: the average distance from the stimulus fish school and the proportion of time spent preferentially approaching the stimulus fish school (p>0.05).These results indicate that juvenile S. sinensis can form stable associative memory through training, but short-term associative learning training is insufficient to alter the core characteristics of their sociality.

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夏梦,王雯,邓林燕,王祖维,付成,陈启亮.中华倒刺鲃幼鱼联想学习能力研究[J].重庆师范大学学报自然科学版,2026,43(5):

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  • 收稿日期:2026-06-03
  • 最后修改日期:2026-08-17
  • 录用日期:2026-09-04
  • 在线发布日期: 2026-11-11
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