期刊
COGNITION
卷 114, 期 2, 页码 197-206出版社
ELSEVIER
DOI: 10.1016/j.cognition.2009.09.004
关键词
Action understanding; Learning; Direct matching; Eye tracking; Experience; Feeding anticipation; Teleological stance; Mirror neurons
Six- and 12-month-old infant's eye movements were recorded as they observed feeding actions being performed in a rational or non-rational manner. Twelve-month-olds fixated the goal of these actions before the food arrived (anticipation); the latency of these gaze shifts being dependent (r=.69) on infants life experience being feed. In addition, 6- and 12-month-olds dilated their pupil during observation of non-rational feeding actions. This effect could not be attributed to light differences or differences in familiarity, but was interpreted to reflect sympathetic-like activity and arousal caused by a violation of infant's expectations about rationality. We argue that evaluation of rationality requires less experience than anticipations of action goals, suggesting a dual process account of preverbal infants' everyday action understanding. (C) 2009 Elsevier B.V. All rights reserved.
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