活動名稱 [Seminar 2019 spring] 4/23 Seminar Announcement  
The seminar on 4/23 will be held at NCU.
Student presentations: Chang, Wen-sheng/ Chuang, Chien-hui
Please refer to the following details for the seminar:

Time:
2:00 pm - 4:00 pm


Location:
Science Building #4, S4-209, National Central University
(中央大學 科四館 二樓 209 室)


Speaker:

Chang, Wen-sheng

Institute of Neuroscience, NCU

Topic:

EEG correlates of visual spatial working memory precision

Abstract:
Various studies have shown that selective attention plays an important role in retrieving target-relevant information in visual working memory (VWM). In this research, a delayed color-estimation task was applied to measure VWM precisions under different memory loads along with EEG recordings. The behavioral results were summarized into parameters of the mixture models of VWM. The preliminary results showed that the amplitude of attentional event-related potential components, N2pc and Pd, increased with memory loads. In addition, the amplitudes of N2pc and Pd were correlated with memory precisions. The ongoing work focuses on the complex relationships between mixture model parameters and EEG oscillations.



Speaker:

Chuang, Chien-hui

Institute of Neuroscience, NCU

Topic:

Whether the emotional context switch can also serve as an event boundary? A preliminary investigation

Abstract:
Our daily lives experience constitutes by continuous information, but when we reflect on the past, we remember those experiences as diverse events. Prior researches suggested that this phenomenon can be explain by event boundary, which allowing people to chunk and organize information into different events. People can perceive a boundary between one event and the next when experiencing a shift in the current context, such as spatial shift, goal shift, and perceptual shift. More or less, these continuous experiences may involve some emotional context, which also has some impact on our memory and perception. However, whether the change of emotional context can also be serve as an event boundary is still unclear. To investigate this question, we designed the study-test experiment in my current study. Participants studied a series of emotional context images followed by a incidental recognition task. According to previous research, we predict that when emotional context change, there will have different memory performance between near boundary items and other items. Besides, the sequence of events is also critical for perceiving and understanding our experiences. So in my future study, I plan to investigate whether the change of emotional context also has some impact on our temporal order memory.


 
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