AGING INFLUENCES ON SUSTAINED ATTENTION AND TASK-UNRELATED IMAGES AND THOUGHTS

这项工作试图确定持续关注的性质，并 确定与任务无关的图像和思维(TUITS)的参数为 以及相关的精神活动，如洞察力、注意力和持续性 作为现象的注意力，它们之间的关系，以及它们的 成年后对衰老影响的易感性。这些目标是 通过使用受控实验室研究和 回溯性问卷。今年的调查结果是(A)延长了 在具有典型曝光时间的警戒任务上的练习最适合于 由堆积模型导出的双曲函数关系 学习的年龄显著影响最终的渐近成绩 但这并不影响学习速度；(B)Tuit可能性相反 与警戒任务的性能相关，反映了容量需求 执行警戒任务。 对成年人与任务无关的图像和思维的研究，以及 可以缓和其发生的变量，例如，年龄、智力、任务 结构等，可以帮助我们理解基本的过程 这是所有思考的基础。作为一项技能，持续的注意力既包括 长时间的警觉性和专注力这项技能起到了 在日常生活和就业市场中的重要作用，例如，工作 需要检查的。他的研究为我们提供了关于 影响该技能的使用和获得，以及警觉性如何 和注意力容易受到年龄的影响。

This work attempts to determine the nature of sustained attention and to deter-mine the parameters of task-unrelated images and thoughts (TUITS) as well as related mental activity such as insight, attention and sustained attention as phenomena, their relationships amongst one another, and their susceptibility to the influence of aging in adulthood. These goals are accomplished through the use of controlled laboratory studies and retrospective questionnaires. This year's findings were that (a) extended practice on a vigilance task, with typical exposure times, is best fit by a hyperbolic functional relationship derived from an accumulation model of learning in which age significantly affects final asymptotic performance but which does not affect learning rate; (b) TUIT likelihood is inversely related to performance on a vigilance task an reflects the capacity demands of the vigilance task. The study of task-unrelated images and thoughts in adults, along with variable which may moderate their occurrence, e.g., age, intelligence, task structure, etc., may aid us in understanding the fundamental processes which underlie all thinking. Sustained attention as a skill involves both alertness and concentration over long periods of time. This skill plays an important role in both daily living and in the job market place, e.g., jobs requiring inspection. his research provides us with information on how age influences the use and acquisition of that skill as well as how alertness and concentration are susceptible to aging influences.