Quinn Paul C, Liben Lynn S
Department of Psychology, University of Delaware, Newark, DE 19716, USA.
Psychol Sci. 2008 Nov;19(11):1067-70. doi: 10.1111/j.1467-9280.2008.02201.x.
Three- to 4-month-old female and male human infants were administered a two-dimensional mental-rotation task similar to those given to older children and adults. Infants were familiarized with the number 1 (or its mirror image) in seven different rotations between 0 degrees and 360 degrees, and then preference-tested with a novel rotation of the familiar stimulus paired with its mirror image. Male infants displayed a novelty preference for the mirror-image stimulus over the novel rotation of the familiar stimulus, whereas females divided attention between the two test stimuli. The results point toward an early emergence of a sex difference in mental rotation.
对3至4个月大的男、女婴儿进行了一项类似于对大龄儿童和成年人进行的二维心理旋转任务。婴儿们熟悉了数字1（或其镜像）在0度至360度之间的七种不同旋转角度，然后用熟悉刺激的新旋转角度与其镜像配对进行偏好测试。男婴对镜像刺激比对熟悉刺激的新旋转角度表现出新奇偏好，而女婴则在两种测试刺激之间分散注意力。结果表明心理旋转方面的性别差异在早期就已出现。
