Hane Amie Ashley, Fox Nathan A, Henderson Heather A, Marshall Peter J
Department of Psychology, Williams College, Bronfman Science Center, Williamstown, MA 01267, USA.
Dev Psychol. 2008 Sep;44(5):1491-6. doi: 10.1037/a0012855.
Seven hundred seventy-nine infants were screened at 4 months of age for motor and emotional reactivity. At age 9 months, infants who showed extreme patterns of motor and negative (n = 75) or motor and positive (n = 73) reactivity and an unselected control group (n = 86) were administered the Laboratory Temperament Assessment Battery, and baseline electroencephalogram data were collected. Negatively reactive infants showed significantly more avoidance than positively reactive infants and displayed a pattern of right frontal electroencephalogram asymmetry. Positively reactive infants exhibited significantly more approach behavior than controls and exhibited a pattern of left frontal asymmetry. Results support the notion that approach-withdrawal bias underlies reactivity in infancy.
对779名4个月大的婴儿进行了运动和情绪反应性筛查。在9个月大时，对表现出极端运动和消极反应模式（n = 75）或运动和积极反应模式（n = 73）的婴儿以及一个未经过挑选的对照组（n = 86）进行了实验室气质评估量表测试，并收集了基线脑电图数据。消极反应性婴儿比积极反应性婴儿表现出明显更多的回避行为，并且呈现出右额叶脑电图不对称的模式。积极反应性婴儿比对照组表现出明显更多的趋近行为，并且呈现出左额叶不对称的模式。研究结果支持了这样一种观点，即趋近-回避偏向是婴儿期反应性的基础。
