相关实验视频
Updated: Jul 4, 2026
08:16
Adaptation of a Haptic Robot in a 3T fMRI
Published on: October 4, 2011
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自由射程触觉搜索 触觉搜索
Hunter B Sturgill1, David A Rosenbaum1
1Department of Psychology, University of California, Riverside.
概括
研究人员研究了自由触觉搜索,手和物体可以自由移动. 有信息的预测只在目标对象明显大于分心时,才能提高搜索效率.
科学领域:
- 心理学 心理学 心理学
- 人与计算机的交互
- 机器人技术 机器人技术 机器人技术
背景情况:
- 日常任务涉及自由触觉搜索,例如通过触摸定位物品.
- 这种类型的搜索,手和物体都是移动的,是研究不足的.
- 开发了一项实验室任务,以调查自由范围触觉搜索动态.
研究的目的:
- 为了研究自由范围触觉搜索的效率.
- 为了确定信息预告对触觉搜索性能的影响.
- 探索用于触觉对象识别的策略.
主要方法:
- 参与者执行了一个触觉搜索任务,在分散注意力的目标对象中寻找目标对象.
- 使用了两种条件:信息化的预示 (可视化干扰因素和尺寸差异) 和非信息化的预示 (简单的继续).
- 对象的属性,如长度和分散器的数量,各不相同.
主要成果:
- 当目标对象比分心器大得多时,信息预警显著提高了搜索效率.
- 这表明参与者使用了预防措施来识别"脱而出"的目标.
- 当尺寸差异最小时,参与者不太可能依赖预测.
结论:
- 有信息的预警可以优化触觉搜索,特别是当目标-干扰器差异明显时.
- 开发的任务具有很高的生态有效性,反映了现实世界的触觉搜索场景.
- 研究结果表明,提前信息对触觉障碍患者有潜在的益处.
相关概念视频
01:33Somatosensation
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
01:27Tactile and Chemical Senses
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex. This...