Jun 15, 2023 · Harry Harlow did a number of studies on attachment in rhesus monkeys during the 1950’s and 1960″s. His experiments took several forms: Harlow (1958) separated infant monkeys from their mothers immediately after birth and placed in cages with access to two surrogate mothers, one made of wire and one covered in soft terry toweling cloth.

Jun 20, 2018 · Infant rhesus monkeys were taken away from their mothers and raised in a laboratory setting, with some infants placed in separate cages away from peers. In social isolation, the monkeys showed disturbed behavior, staring blankly, circling their cages, and engaging in self-mutilation.

Harry Frederick Harlow (October 31, 1905 – December 6, 1981) was an American psychologist best known for his maternal-separation, dependency needs, and social isolation experiments on rhesus monkeys, which manifested the importance of caregiving and companionship to social and cognitive development.

Jan 3, 2025 · Harry Harlow’s groundbreaking study on infant primates has had a profound impact on our understanding of the importance of touch and social bonding in early childhood development. Conducted in the 1960s, Harlow’s study on rhesus macaque monkeys has revealed that touch is more essential for a monkey’s well-being than food or milk.

Sep 8, 2014 · Newly released photos, video and lab reports document years of mental health studies conducted on baby rhesus monkeys at two federally-funded labs in the National Institutes of Health...

Feb 12, 2025 · For his experiments, Harlow (1958) separated infant rhesus monkeys from their mothers. He then constructed two surrogate ‘mothers’ for the infants: one surrogate made out of metal but that provided milk through an artificial nipple, the other surrogate covered in soft, fluffy material but that didn’t offer food.

Jun 28, 2009 · When baby rhesus monkeys want to suckle, they do what human infants do: cry, cry, cry. Mothers often give in, naturally. When they don't, the babies' cries get on everyone's nerves —...

Feb 14, 2020 · Harlow’s monkey experiment tackled both hypotheses: if the bond between mother and child is purely based on physiological need. To do this, Harlow separated infant monkeys from their biological mothers within 6 to 12 hours after being born.

Feb 24, 2012 · The famous experiments that psychologist Harry Harlow conducted in the 1950s on maternal deprivation in rhesus monkeys were landmarks not only in primatology, but in the evolving science of attachment and loss.

Jan 12, 2022 · Harlow separated sixty infant rhesus monkeys from their mothers six to twelve hours after birth. They suckled the infant monkey’s on tiny bottles. harlow and his colleagues noticed that the infant monkeys showed strong attachment …