Английская Википедия:Curt Richter
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Curt Paul Richter (February 20, 1894 – December 21, 1988) was a biologist, psychobiologist and geneticist who made important contributions in the field of circadian rhythms. Notably, Richter identified the hypothalamus as a "biological pacemaker" involved in sleeping and wakefulness. In particular, this region suspected by Richter was later identified as the suprachiasmatic nucleus.[1]
Early life, family and education
Richter was born on February 20, 1894, in Denver, Colorado, to German immigrants from Saxony, Germany. Richter's father was an engineer who owned a steel and iron firm in Denver.
In 1912, Richter studied engineering at a Technische Hochschule in Germany, but he left after the outbreak of World War I in 1914, switching to Harvard University where he studied biology under William E. Castle. Due to Richter's lack of experience with biology, Castle advised that he drop the course, so he switched to psychology instead, studying under E. B. Holt and Robert Yerkes. He graduated from Harvard in 1917 and, after a brief tour in the United States Army, studied under John Watson at Johns Hopkins University.[1][2][3]
Work
Richter induced need states in experimental animals by depriving them of substances essential to survival, or manipulating their hormone levels. He showed that these need states generate appetites, and behaviors precisely fitting the animal's need even if the animal had never before experienced the need; demonstrating genetic programming of behavior. He also triggered other pre-programmed behaviors, such as nest building, by manipulating hormone levels.[4]
Richter was elected to the United States National Academy of Sciences in 1948,[5] the American Academy of Arts and Sciences in 1956,[6] and the American Philosophical Society in 1959.[7]
In popular culture
Richter is quoted widely for his drowning rat experiments,[8] where rats would drown in a fairly short time. But if rats had the experience of rescue one time then after rescue would swim for many hours when put back in the drowning scenario.
This has been interpreted as an argument for the importance of hope and recirculates on the internet regularly.
References
External links
- Английская Википедия
- 1894 births
- 1988 deaths
- Harvard University alumni
- Johns Hopkins University alumni
- Members of the American Philosophical Society
- 20th-century American biologists
- American geneticists
- Scientists from Denver
- 20th-century United States Army personnel
- Members of the United States National Academy of Sciences
- Fellows of the American Academy of Arts and Sciences
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