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Random-dot techniques were used to examine the interactions between the depth cues of dynamic occlusion and motion parallax in the perception of three-dimensional (3-D) structures, in two different situations: (a) when an observer moved laterally with respect to a rigid 3-D structure, and (b) when surfaces at different distances moved with respect to a stationary observer. In condition (a), the extent of accretion/deletion (dynamic occlusion) and the amount of relative motion (motion parallax) were both linked to the motion of the observer. When the two cues specified opposite, and therefore contradictory, depth orders, the perceived order in depth of the simulated surfaces was dependent on the magnitude of the depth separation. For small depth separations, motion parallax determined the perceived order, whereas for large separations it was determined by dynamic occlusion. In condition (b), where the motion parallax cues for depth order were inherently ambiguous, depth order was determined principally by the unambiguous occlusion information. 相似文献
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Mark T. Berg Ethan M. Rogers Weiwei Liu Elizabeth A. Mumford Bruce G. Taylor 《Aggressive behavior》2019,45(4):437-449
Depression is a particularly prevalent form of psychopathology affecting millions of individuals worldwide. It is associated with a variety of adverse social and behavioral outcomes. Numerous observational studies have found that depressed individuals have significantly elevated rates of interpersonal violence. As of now, the social mechanisms that explain the association between depression and violence remain understudied and not well understood. Drawing on the aggression and social psychology literatures, we argue that depressed actors suffer skills deficits and exhibit hostile communication styles that provoke grievances and disputes. We suggest that, because of these interpersonal tendencies, depression increases involvement in verbal disputes, and that frequent participation in verbal disputes foments social contexts where interpersonal violence is more common. Findings from a series of regression models based on a nationally representative sample of 2171 respondents offer support for our assumptions. The study suggests a consideration of interpersonal dynamics, particularly verbal disputes, might unlock clues about the association between depression and violence involvement. 相似文献
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