Harlow and Zimmerman's work with infant monkeys showed that the infants were most interested in receiving _____ from surrogate mothers.

A) food
B) bodily contact
C) visual stimulation
D) maternal odors

Surrogate Mothers

Women who carry and deliver a baby on behalf of another person or couple, often involving a legal or informal agreement.

Bodily Contact

Physical touch or connection between individuals, important for emotional bonding and development in humans.

Visual Stimulation

Exposure to sights or images that can affect cognitive and emotional states, fostering attention and perception.