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641.
Recent work implicates a link between action control systems and action understanding. In this study, we investigated the role of the motor system in the development of visual anticipation of others' actions. Twelve-month-olds engaged in behavioral and observation tasks. Containment activity, infants' spontaneous engagement in producing containment actions; and gaze latency, how quickly they shifted gaze to the goal object of another's containment actions, were measured. Findings revealed a positive relationship: infants who received the behavior task first evidenced a strong correlation between their own actions and their subsequent gaze latency of another's actions. Learning over the course of trials was not evident. These findings demonstrate a direct influence of the motor system on online visual attention to others' actions early in development. 相似文献
642.
Heavy alcohol consumption ( Testa & Parks, 1996 ) and childhood sexual abuse (CSA; Messman-Moore & Long, 2003 ) have been associated with adult sexual victimization. We examined the social behavior of 42 women under two alcohol conditions (high dose and low dose) in a bar laboratory. Women were videotaped interacting with a man they had just met. Women in the higher dose condition engaged in more open body position and talked, stood, and walked more than women in the lower dose condition. These behaviors are consistent with signs of intoxication or romantic interest. The women in the high-dose condition also frowned more than women in the low-dose condition. An increase in frowning could indicate less comfort or may be considered consistent with an increase in animation during the social interaction given the concomitant increase in other behaviors. Thus, the nonverbal behavior of women in the high-dose condition could be interpreted as mixed signals. CSA victims exhibited fewer head movements (e.g., nods), were less animated, and frowned more than non-CSA victims. These behaviors convey reticence or possibly even anxiety or discomfort during the social interaction. Thus, the nonverbal behavior of women with a history of CSA may convey an unease that could be viewed by a potential perpetrator as vulnerability. Our findings suggest that both acute alcohol consumption and history of CSA may influence nonverbal social behavior and may influence risk for sexual assault by sending mixed cues of romantic interest or signs of vulnerability to potential perpetrators. 相似文献
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