According to the place theory of hearing, low tones cause the greatest movement near the outer tip of the cochlea

Your sister and her husband have just brought their baby son home from the hospital. They noticed two spots on his head that seemed to throb with each heart beat and were very concerned about this

It seems very strange, and they think there is a problem. What do you think? There is no problem. Those spots are fontanels and are supposed to be there. You think that your nephew should have corrective surgery. You are not sure, but think that they should have your nephew checked out by their doctor very soon. You think that your nephew has bone cancer.

The finding that newborns prefer to look at pictures of their mother's face over pictures of strangers' faces suggests that these behaviors may be linked to the development of:

a. stranger anxiety b. attachment c. visual perception d. visual sensation