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The Monkey Drug Trials experiment was influenced by preceding research discussing related topics. [2] Six notable research publications may be highlighted: “Factors regulating oral consumption of an opioid (etonitazene) by morphine-addicted rats”; [3] “Experimental morphine addiction: Method for automatic intravenous injections in unrestrained rats.”; [4] ”Morphine self ...
The Silver Spring monkeys were 17 wild-born macaque monkeys from the Philippines who were kept in the Institute for Behavioral Research in Silver Spring, Maryland. [2] From 1981 until 1991, they became what one writer called the most famous lab animals in history, as a result of a battle between animal researchers, animal advocates, politicians, and the courts over whether to use them in ...
The point of the experiment was to break those bonds in order to create the symptoms of depression. The chamber was a small, inverted metal pyramid, with slippery sides slanting down to a point. The monkey was placed in the point. The opening was covered with mesh. The monkeys would spend the first day or two trying to climb up the slippery sides.
Fortrea primate-testing lab, Vienna, Virginia, 2004–05. Most of the NHPs used are one of three species of macaques, accounting for 79% of all primates used in research in the UK, and 63% of all federally funded research grants for projects using primates in the U.S. [25] Lesser numbers of marmosets, tamarins, spider monkeys, owl monkeys, vervet monkeys, squirrel monkeys, and baboons are used ...
Monkey clinging to the cloth mother surrogate in fear test. 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.
Forty-three primates remain on the loose in a South Carolina town, two days after escaping from a research laboratory, authorities said Friday. As of midday Friday, the monkeys "have not yet been ...
This was a parasympathetic rebound associated with the Hypothalamic-pituitary-adrenal axis, which led to the development of ulcers in the Executive monkeys. In all the variations of the experiment, no yoked control monkey ever developed an ulcer. This suggests that the ulcers were a symptom of the excessive stress induced by having control.
"Behavioral sink" is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation.The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [1]