2019/11/15
DO WE HAVE FREE WILL? - Pre-existing Brain States Predict Decision Making
系上很榮幸地邀請國立臺灣大學心理學研究所謝伯讓副教授至系上演講，演講相關內容如下：
時間：11/15（五）13：10-
地點：社科院北棟2樓心理系階梯教室
講題：DO WE HAVE FREE WILL? - Pre-existing Brain States Predict Decision Making
個人CV：謝伯讓老師 （臺灣大學心理學研究所副教授）
演講摘要： It is well known that unconscious information processing can influence human behaviour and cognition, including decision-making. However, the neural basis of such unconscious influence remains unclear. Here we propose an approach that localizes the essential parts of the brain that are unconsciously involved in human decision-making. We focus on the unconscious neural basis of decision-making by searching for neural antecedents that occur before and predict human decisions. Our approach goes beyond conventional paradigms that only look for the “neural correlates” of decision-making, and will grant us the ability to localize candidate brain areas that are the “neural causes” of decision-making but not merely “neural correlates” or “neural consequences”. Specifically, we investigate whether pre-stimulus brain states (i.e. baseline brain states right before stimulus presentation and decision-making) can affect evaluative decisions and their locations/means of exerting an influence if one exists. Our date show that evaluative decisions can be predicted by human subjects’ pattern of fMRI signals across a widely distributed network of regions in the frontal lobes before the stimuli are presented.
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