Temporal and spatial processing in the visual modality: behavioral and fMRI evidence from temporal reproduction task

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Taipei Medical University Institutional Repository > 人文暨社會科學院 > 心智意識與腦科學研究博士學位學程 > 博碩士論文 > Item 987654321/64344

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題名:	Temporal and spatial processing in the visual modality: behavioral and fMRI evidence from temporal reproduction task
作者:	Parfenova, Elizaveta
貢獻者:	心智意識與腦科學研究博士學位學程 CHRISTOPH DAHL PHILIP TSENG
關鍵詞:	TEMPORAL PROCESSING;TIME PERCEPTION
日期:	2024-06-19
上傳時間:	2024-10-04 11:29:24 (UTC+8)
摘要:	Time perception, the ability to perceive and estimate the duration of time intervals, is a fundamental aspect of human cognition and is crucial for daily activities. However, an understanding of how temporal stimuli are processed remains incomplete. Few studies have explored pause duration in temporal reproduction tasks, revealing two critical stages of timing perception: the transition zone and the plateau. The transition zone, occurring for approximately 3 seconds after stimulus presentation, involves continuous updates in reproduced duration and shows the processing of the temporal stimulus. The plateau, occurring before the response, is about the storing and preparation for duration reproduction. In the behavioral experiments here, it was found that the transition zone is modality-independent and goes up to 2-3 seconds. Since the visual modality was implemented, the spatial characteristics of the visual field were also investigated. It was shown that the eccentricity of visual stimuli affects the reproduced duration. Spatial manipulation, like cueing, affected both effects: transition zone and eccentricity effect. An fMRI study investigated the processing of temporal stimuli in reproduction task, examining neural activation during the transition zone and plateau stages. These findings indicate that the transition zone activates the posterior insula, caudate, and putamen, and the plateau stage shows activation in the frontal medial cortex. A resting-state study addressed the individual differences in participants’ responses. This study provides new insights into the neural mechanisms underlying time perception and the factors influencing it.
描述:	博士指導教授：CHRISTOPH DAHL 共同指導教授：PHILIP TSENG 口試委員：CHRISTOPH DAHL 口試委員： PHILIP TSENG 口試委員：PO-JANG HSIEH 口試委員：HSU TZU-YU 口試委員： NIALL DUNCAN
附註:	論文公開日期：2029-07-22
資料類型:	thesis
顯示於類別:	[心智意識與腦科學研究博士學位學程] 博碩士論文

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