In order to be diagnosed with ADHD, ________ must be present
a. hyperactive behavior that alternates with periods of distraction
b. either a pattern of inattention or a pattern of hyperactivity and impulsivity
c. both patterns of inattention and hyperactivity/impulsivity
d. none of the above
b
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Early in his career, Piaget derived his ideas about cognitive changes during the first two years by
A) conducting clinical interviews. B) engaging in rigorous experiments. C) observing his own three children. D) summarizing baby biographies.
Physiological research on Chomsky's notion of a brain prepared to process language indicates that
A) electrical activity is distributed across both hemispheres of the cerebral cortex. B) the broad association of language functions is right-hemispheric. C) electrical activity becomes increasingly concentrated in the right-hemispheric region. D) the broad association of language functions is left-hemispheric.