助记符
心理学
召回
认知
发展心理学
联想学习
惩罚(心理学)
内容寻址存储器
黑腹果蝇
听力学
神经科学
生物
认知心理学
医学
遗传学
机器学习
基因
人工神经网络
计算机科学
作者
Christian König,Bertram Gerber
摘要
ABSTRACT Memory scores are dynamic across developmental stages. In particular, memory scores typically decrease from late adolescence into old age, reflecting complex changes in mnemonic and sensory-motor faculties, metabolic and motivational changes, and changes in cognitive strategy as well. In Drosophila melanogaster, such age-related decreases in memory scores have been studied intensely for the association of odours with electric shock punishment. We report that odour–sucrose reward memory scores likewise decrease as the flies age. This was observed after one-trial and after two-trial conditioning, and for both immediate testing and recall tests 1 day later. This decrease was particularly pronounced in relatively young animals, in the first 2–3 weeks after adult hatching, and was more pronounced in female than in male flies.
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