南希·贝利博士是位遐逸闻名的心理学家。她多年来对婴儿的发育和成长进行了系统的观察和研究。下面所列举的十二点婴儿智力发展的早期迹象,是从她的《幼儿发育和成长的研究》一书中摘录的。这些早期迹象可以提醒家长注意婴儿在智力发展过程中的一些典型的特征。(一)婴儿到了6个月,他的目光就能跟踪在他的视线范围内掉落到地上的汤匙。(二)婴儿到了6.5个月,当他获得所需之物以后,就会发出一种满意的声音。(三)婴儿到了7.2个月,能够对着镜子中自己的形象微笑。(四)婴儿到了7.3个月,就会寻找掉落到地上的汤匙。 Dr. Nancy Bailey is a reputable psychologist. She has systematically observed and studied infant development and growth over the years. The early signs of intellectual development at twelve births listed below are taken from her book, Child Development and Growth Research. These early signs can alert parents to some of the typical characteristics of infants during their intellectual development. (A) The baby reached six months, his eyes can follow the spoon fell to the ground within his sight. (B) When the baby reaches 6.5 months, he will give a satisfactory voice when he has obtained the necessary items. (C) The baby was 7.2 months, able to smile at his own image in the mirror. (D) Baby 7.3 months, will find the spoon fell to the ground.