Several research groups have found that ________ individuals showed higher levels of antisocial behavior if they had a low-activity MAOA allele but not a high-activity MAOA allele

Michael was born with cataracts in both eyes. What can you tell his parents about the possibility of recovery as it relates to sensitive periods in brain development?

A) Michael should not have corrective surgery until adulthood, as earlier surgery may permanently damage his eyes. B) The longer cataract surgery is postponed beyond infancy, the less complete the recovery in visual skills. C) Corrective surgery should be postponed until early childhood so that Michael can fully recover his visual skills. D) There is only a slight chance that corrective surgery can repair Michael's severe impairment.

Eysenck maintains that extraverts have:

a. weak excitatory processes and strong inhibitory processes b. strong excitatory processes and weak inhibitory processes c. weak nervous systems d. the same kind of weak nervous system as introverts