Harlow's Horrifying Monkey Experiments

What were the main findings of Harry Harlow's experiments with rhesus macaque monkeys?

How did Harlow's research challenge the behaviorist perspective on attachment?

Describe the impact of social isolation on the behavior of the monkeys in Harlow's studies.

What ethical concerns are raised by Harlow's methods in his research?

What lessons did Harlow seem to overlook in his later experiments despite his earlier findings?