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ABSTRACT From navigating a crowded hallway to skiing down a treacherous hill, humans are constantly making decisions while moving. Insightful past work has provided a glimpse of decision deliberation at the moment of movement onset. Yet it is unknown whether ongoing deliberation can be expressed during movement, following movement onset and prior to any decision. Here we tested the idea that an ongoing deliberation continually influences motor processes—prior to a decision—directing online movements. Over three experiments, we manipulated evidence to influence deliberation during movement. The deliberation process was manipulated by having participants observe evidence in the form of tokens that moved into a left or right target. Supporting our hypothesis we found that lateral hand movements reflected deliberation, prior to a decision. We also found that a deliberation urgency signal, which more heavily weighs later evidence, was fundamental to predicting decisions and explains past movement behaviour in a new light. Our paradigm promotes the expression of ongoing deliberation through movement, providing a powerful new window into understanding the interplay between decision and action.
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null (Ed.)The most important impacts of social movements are often cultural, but the sheer variety of potential cultural impacts—from shifts in public opinion to new portrayals of a group on television to the metrics guiding funding in a federal agency—presents unique challenges to scholars. Rather than treating culture as a social sphere separate from politics and the economy, we conceptualize it as the ideas, values, and assumptions underpinning policies and practices in all spheres. We review recent research on movements’ impacts on public opinion and everyday behavior; the media and popular culture; nonpolitical institutions such as science, medicine, and education; and politics. We focus on cultural impacts that have mattered for movements’ constituencies and address why movements have had those impacts. We conclude with an agenda for future research, seeking greater connection between the literatures on movements and the literatures on the institutions that matter to movements.more » « less