UNIT 9 – DEVELOPMENTAL PSYCHOLOGY Required Vocabulary Words * zygote * embryo * fetus * teratogens * habituation * maturation * assimilation * sensorimotor stage * object permanence * preoperational stage * conservation * egocentrism * theory of mind * concrete operational stage * formal operational stage * autism * imprinting * basic trust * gender * testosterone * social learning theory * adolescence * puberty * primary sex characteristics * secondary characteristics * social identity * intimacy * emerging adulthood * menopause * cross-sectional study * longitudinal study * crystallized intelligence * fluid intelligence * social clock