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221.
The aim of the present research was to compare different methods of training for safe moped use, especially focusing on physiological reactions during risky experiences. By recording skin conductance response (SCR), we investigated whether training that requires active riding behavior in different risky situations through the use of the Honda Riding Training (HRT) simulator leads to different physiological reactivity, which, in turn, might lead to better learning outcomes. Results indicated that participants who rode actively through the HRT showed higher percentages of SCRs than participants who simply observed risky road scenes to spot hazards. SCR percentage was higher in scenes with no accident. Overall, SCR amplitude was greater when accidents occurred than in scenes with no accidents. Implications for the effectiveness of inexperienced riders training with riding simulators were also discussed. 相似文献
222.
Joseph P. Magliano Christopher A. Kurby Thomas Ackerman Sydney M. Garlitch J. Mac Stewart 《Journal of Cognitive Psychology》2020,32(5-6):506-525
ABSTRACT Filmmakers use various cinematic techniques in an effort to guide attention to certain aspects of these events. The present study was conducted to investigate how framing and editing can guide viewers’ attention toward character actions during event segmentation. Participants watched and segmented a movie that simultaneously showed two actors engaged in two related activities. Participants watched one of three versions of the movie: Static center version that did not foreground any character; Static off-center version that foregrounding one of the characters, and an edited version with a mix of shots that foregrounding both characters. Participants engaged in an event partonomy task in which they were asked to identify the boundaries between the events that were depicted in the movie. After watching the movie, they were asked to recall the events. The results showed converging evidence between the event segmentation and recall data, which both indicated that cinematic devices affect the perception and memory of the event structure depicted in the film. 相似文献
223.
时距认知分段性指不同长度时距的加工机制和表征方式是不同的。以往研究者对1 s以上时距认知的分段性仍存在分歧,为了探讨这一主题,本研究设计了实验1和实验2。实验1采用时间复制任务比较高、低工作记忆容量被试在完成1~6 s视、听时距加工的成绩,结果发现,时距长度与工作记忆容量或通道均存在交互作用,被试在复制1 s、2 s的平均复制时距、复制比率及变异系数没有随工作记忆容量或通道而变化,而复制3 s、4 s、5 s及6 s时,高WMC组较低WMC组或听觉组较视觉组,平均复制时距显著更长、复制比率显著更高、变异系数显著更小。实验2采用时间产生任务比较高、低工作记忆容量被试在完成1~6 s视、听时距加工的成绩,结果也发现,时距长度与工作记忆容量或通道均存在交互作用,被试在产生1 s、2 s的平均产生时距、产生比率及变异系数没有随工作记忆容量或通道而变化,而产生3 s、4 s、5 s及6 s时,高WMC组较低WMC组或听觉组较视觉组,平均产生时距显著更短、产生比率显著更低、变异系数显著更小。这意味着1~6 s的时距认知存在分段性,大约2~3 s可能为分段临界点。时间认知的分段性可以用时间工作记忆说解释,该假说是时间认知分段综合模型解释短时距加工分段性的具体表现形式。 相似文献
224.
225.
This paper mainly focuses on characterization of different brain tissues such as White and Gray matter (WM and GM) using the relation between Diffusion Tensor Imaging and Diffusion Kurtosis Imaging parameters. Both Diffusion Tensor Imaging and Diffusion Kurtosis Imaging are the extension of Diffusion Weighted Imaging, which are widely applied for analysing micro fibre structure of human organs non-invasively. Diffusion Tensor Imaging assumes that the water diffusion is in Gaussian nature and Diffusion Kurtosis Imaging accounts the deviation of the Gaussian nature. This study, conducted a correlation and regression analysis between different parametric maps generated from Diffusion Kurtosis Images. For this we have chosen 200 regions of interest pixels drawn from brain MRIs. From the results, it is observed that there is a significant variation in the correlation results between Axial Diffusion and Kurtosis Fractional Anisotropy maps of Gray matter and White matter tissues. This can be employed for enhancing accuracy in MRI segmentation techniques and also as a potential tool for Neuro degenerative disease detection. 相似文献
226.
Liyuan He Ziming Song Min Chang Chuanli Zang Guoli Yan Simon P. Liversedge 《British journal of psychology (London, England : 1953)》2021,112(3):662-689
In two experiments, we investigated the correspondences between off-line word segmentation and on-line segmentation processing during Chinese reading. In Experiment 1, participants were asked to read sentences which contained critical four-character strings, and then, they were required to segment the same sentences into words in a later off-line word segmentation task. For each item, participants were split into 1-word segmenters (who segmented four-character strings as a single word) and 2-word segmenters (who segmented four-character strings as 2 two-character words). Thus, we split participants into two groups (1-word segmenters and 2-word segmenters) according to their off-line segmentation bias. The data analysis showed no reliable group effect on all the measures. In order to avoid the heterogeneity of participants and stimuli in Experiment 1, two groups of participants (1-word segmenters and 2-word segmenters) and three types of critical four-character string (1-word strings, ambiguous strings, and 2-word strings) were identified in a norming study in Experiment 2. Participants were required to read sentences containing these critical strings. There was no reliable group effect in Experiment 2, as was the case in Experiment 1. However, in Experiment 2, participants spent less time and made fewer fixations on 1-word strings compared to ambiguous and 2-word strings. These results indicate that the off-line word segmentation preferences do not necessarily reflect on-line word segmentation processing during Chinese reading and that Chinese readers exhibit flexibility such that word, or multiple constituent, segmentation commitments are made on-line. 相似文献