For most people, relationships with siblings are among the least conflictual relationships in their lives

At birth, the human brain is set up to be

A) attracted to novelty. B) wary of change. C) attracted to familiarity. D) bored by repetition.

The article At a Loss for Words, about a teenager (E. M.) who was profoundly deaf in early life concluded that:

(a) there is no sensitive period for language development (b) there is a sensitive period for language development but with hard work, any language can be acquired even after long deprivation (c) there seems to be a sensitive period for language development (d) there is a sensitive period for hearing, but not for speaking