BRAIN FITNESS IN OLDER ADULTS (B-FIT)

这个子项目是许多研究子项目中利用 资源由NIH/NCRR资助的中心拨款提供。子项目和 调查员(PI)可能从NIH的另一个来源获得了主要资金， 并因此可以在其他清晰的条目中表示。列出的机构是 该中心不一定是调查人员的机构。 65岁以上的成年人已经成为美国人口中增长最快的部分。 值得关注的是，随着年龄的增长，所有感官系统的功能都会减弱。许多与衰老相关的残疾可能会影响生活质量，可能会受到来自多个感觉模式的信息整合的变化的影响。在多感觉刺激范式中，老年人对无人看管或背景刺激的分心持续增加，相应的神经反应也异常增加。与任务无关的刺激导致的行为中断，伴随着老年人在需要抑制干扰或冲突信息的任务中大脑活动模式的变化。此外，尽管老年人保持着与年轻受试者相同的警觉性和持续的注意力能力，但他们在选择性或分散注意力任务中的表现显著下降。 这里提出的这项研究将确定参加注意力训练计划的老年人大脑活动功能变化的程度和幅度。

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Adults over 65 years of age have become the most rapidly growing sector of the United States population. It is of considerable concern that all sensory systems exhibit diminished function with age. Many of the disabilities associated with aging that may impact the quality of life may be impacted by changes in the integration of information from multiple sensory modalities. Distractions from unattended or background stimuli in multisensory stimulation paradigms are consistently increased in aged individuals, and the corresponding neural responses to such stimuli are also abnormally increased. The behavioral disruptions caused by task-irrelevant stimuli are accompanied by alterations in patterns of brain activity in older adults during tasks that require the suppression of interfering or conflicting information. In addition, while older adults maintain vigilance and sustained attention abilities equivalent to those of young subjects, their performance on selective or divided attention tasks deteriorates significantly. The study proposed here will determine the extent and magnitude of functional changes in brain activity in older adults who participate in an attention training program.