Areas outside the fovea that receive light and are made up mainly of rods create for us a large region of

Relationship challenges of marriage are quite the same for

men as for women. younger as for older couples. same-sex partners as for heterosexual partners. those still in the child-rearing years.

What did Sigmund Freud consider as the key to understanding the nervous disorders he observed?

a) free will b) brain physiology c) unconscious mind d) external consequences