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Neurocognitive Correlates of Learning in a Visual Object Recognition Task

机译:视觉对象识别任务中学习的神经认知相关性

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Preliminary results of a longitudinal study aimed at understanding the neurocognitive correlates of learning in a visual object recognition task are reported. The experimental task used real-world novel stimuli, whereas the control task used real-world familiar stimuli. Participants practiced the tasks over 10 weeks and reached a high level of accuracy. Brain imaging data was acquired in weeks 2, 6, and 10 and eye-tracking data was acquired in the other seven weeks. Quantitative and qualitative changes in brain activity were observed over the course of learning and skill acquisition. Generally, in the experimental task, brain activity increased at week 6 and decreased at week 10, whereas in the control task, brain activity decreased at week 6 and further decreased at week 10 compared to week 2. New clusters of brain activity emerged at week 6 in the experimental task. Eye-fixation and pupil-dilation data showed that fast learners tend to inspect the stimuli more thoroughly even after a response was given. These results are used to inform the development of computational cognitive models of visual object recognition tasks.
机译:报告了旨在了解视觉对象识别任务中学习的神经认知相关性的纵向研究的初步结果。实验任务使用现实世界中的新颖刺激,而控制任务使用现实世界中的熟悉刺激。参与者在10个星期内练习了任务,并达到了很高的准确性。在第2、6和10周中获取了大脑成像数据,而在其他7周中获取了眼动数据。在学习和掌握技能的过程中,大脑活动发生了数量和质量的变化。通常,在实验任务中,与第2周相比,在第6周时脑活动增加,在第10周时脑活动减少,而在对照任务中,在第6周时脑活动减少,而在第10周时脑活动进一步减少。 6在实验任务中。眼睛注视和瞳孔散大的数据表明,即使给出响应,快速学习者也倾向于更彻底地检查刺激。这些结果用于为视觉对象识别任务的计算认知模型的开发提供信息。

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