語音記憶對視覺客體工作記憶的影響
[Abstract]:Working memory is a brain system that provides temporary storage and processing for complex cognitive tasks such as language understanding, learning and reasoning. This definition is developed from a short-time memory system where working memory is found to process and store information simultaneously. It can be divided into the following three subsystems: 1. The central executive function is considered to be an attention control system, and its important functions, such as playing chess and Alzheimer's disease, are particularly vulnerable; the two subsystems are: 2. Visual space template-responsible for visual image processing 3. Voice Loop-responsible for storing and updating voice information. The efficiency of the working memory process outside the visual object breadth is affected by the simultaneous speech loop information processing and then supports the theory of shared working memory. However, whether this theory can be applied to the efficiency processing of visual objects is questioned. In experiment 1, a simple two-task experimental paradigm was used to design a 3 脳 3 factor experiment designed for simultaneous phonetic loop width load on the working memory process in visual object span. To explore whether the visual object working memory span is affected by the phonetic loop span. The results showed that under the condition of full speech load and visual stimulation within 4 item length, the scores of visual working memory were significantly lower than those without speech load. The working memory scores of visual objects were significantly different from those without speech load. This indicates that the simultaneous processing of audio-visual information is influenced by a third-party platform. In order to prove whether the platform is a scene buffer, experiment 2 / 3 was designed, with visual judgment as the main task. Based on the two-task experimental paradigm of phonetic memory, two 4 (speech load conditions: irrelevant speech, 1 fitted speech, 2 fitted speech, 3 speech fitting) were carried out. Each condition is to present 3 sounds) 脳 3 (length of visual stimulus sequence: 2 / 3 item length) two-factor experimental design to explore whether the processing efficiency of the scene buffer is affected by the correlation degree of audio-visual information. The main effect and interaction were significant in experiment 2. The results of signal detection theory show that the main effect of phonetic memory task is significant, which may be due to the influence of different memory materials on the experimental results. In experiment 3, the main effect was significant, but the interaction was not significant. The results of signal detection theory show that the main effect of phonetic memory task is not significant, which proves the conjecture of experiment 2. At the same time, under one speech fitting condition, the processing accuracy of visual object working memory is not only lower than that under 2 and 3 speech fitting conditions, but also lower than that under independent speech condition. The conclusion is that with the increase of the correlation between phonetic memory tasks and visual stimuli, the correct rate of visual judgment tasks also increases, and situational buffers play a promoting role in the process of information integration. At the same time, when the interference item is larger than the fitting item, the correct rate of visual judgment task decreases, and the scene buffer also hinders. Through comparative analysis of experimental data, three conclusions are obtained: 1. Auditory memory task will affect the completion of visual working memory task. 2. The mechanism that affects the processing efficiency of audio-visual information at the same time is the situational buffer. The efficiency of working memory of visual objects is affected by the different degree of binding consistency of audio-visual information.
【學(xué)位授予單位】:內(nèi)蒙古師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:B842.3
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