Children's Spatial Information To Maintain And Operation Of Erp Research

Spatial information to maintain control and implementation of advanced cognitive activity are much indispensable key aspect of information processing, cognitive psychology and neuropsychology of the important research disciplines, such as one of the issues. Over the past two decades, brain imaging technology to explore its neural basis for the provision of the tools and opportunity to make it in today's cognitive neuroscience research in the field of one of the hotspots. PET and fMRI because of the lower temporal resolution could not be accurately stated the processing time of dynamic brain processes, so, many studies have focused on its sub-components of brain function. In the analysis and comments related research has been based on the thesis for the degree of its weak links ERP and give full play to the advantages of high temporal resolution to the health of 10-11 year-old children were tested, using the NeuroScan company's portable Record with ERP Record Analysis System 40 I. EEG data off-line analysis of their behavioral data (accuracy and reaction time), ERP components and brain electrical activity mapping, aimed at revealing children's spatial information to maintain and operate the time characteristics.This dissertation includes two studies, the first study focused on children's spatial information to maintain the brain mechanisms, the second study focused on children's spatial information to operate the brain mechanisms. Specifically, one study explored the use of delayed response tasks children of two-dimensional and three-dimensional spatial information to maintain the course of EEG changes; study the use of two delayed response task to further explore the children of space information for easy operation and the complexity of the process of operation of the brain Change electricity. The results for children and implementation of spatial information to maintain control of the brain mechanisms of ERP indicators, the conclusions outlined in the following two areas;First, the children maintain the ERP space information studies have shown that two-dimensional and three-dimensional mission are at the front of the scalp evoked a P150 and late negative component (Late Negative Component, LNC), LNC from 600ms to 1500ms beginning about continuing. Three-dimensional task induced P150 amplitude significantly less than the two-dimensional task. Compared to maintaining the mission of two-dimensional materials, three-dimensional materials to maintain the mission waveform from 900ms after the performance of a more negative direction, but in the left frontal and central areas of about 400 to 600 ms three-dimensional materials towards a more negative waveform. However, differences in the average amplitude statistics site not found between the two Missions significant. Children of two-dimensional and three-dimensional information to maintain research mission to study the children are the dynamics of spatial working memory processing of complex information are used to operate more advanced automatic processing provides physiological evidence of nerve points. P150 and late negative components of the separation of LNC revealed differences to distinguish between two-dimensional three-dimensional graphics when the dynamic process of the brain, but also shows that the complexity of the brain in processing information when the space is more intuitive to use then the storage space required is relatively small.Secondly, children of space information operations ERP studies have shown that two different memory loads (simple and complex mission operations mission) are at the front of the scalp evoked a P300, N400 and late positive component (Late Positive Component, LPC). LPC continued from 500ms to 1300ms after the start. Mission induced by operating the complex P300 and N400 amplitudes were significantly greater than the simple mission. The results provided a working memory in children of brain mechanisms of spatial information to operate the relevant information. Differences in P300 and N400 showed that the operation of different degree of difficulty of the mission required different cognitive resources, complex tasks require more resources, LPC differences indicate the difficulty in the storage of different information during the mission operation of the brain required storage space of different sizes.The Institute dissertation series obtained reflects the child's spatial information to maintain and operate the ERP dynamic process indicators, to a certain extent make up for shortcomings of previous studies.