NEOTENY

nēŏtˈənē, in biology, sexual maturity reached in the larval stage of some animals. Certain environmental conditions can inhibit the completion of metamorphosis; low temperature or lack of available iodine retard the action of the thyroid gland, the larval form may mature sexually, mate, and produce fertile eggs. If environmental conditions improve, neoteny is reversible; i.e., the larvae can complete metamorphosis and attain normal maturity. When neoteny occurs in some salamanders (see axolotl), they remain aquatic. In insects, reproduction in the larval stages is known as paedogenesis; it occurs in certain beetles and gall midges. In the midges, the daughter larvae produced within a mother larva consume the mother and escape; the process may continue for several generations.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Neoteny
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books on: Neoteny  - 181 results

       More book Results: 1-10 11-20 21-30 31-40 41-50 >>  
 
1.
Hormones, Sex, and Society: The Science of Physicology
Book by Helmuth Nyborg; Praeger Publishers, 1994
Subjects: Hormones, Sex, Psychoneuroendocrinology
...substituted with an exactly opposite idea: the theory of neoteny Bolk, 1929 . Neoteny is derived from Greek and literally means "holding...inferior races are like children of superior races," neoteny implies that "juvenile traits of ancestors develop...
2.
The Mismeasure of Man
Book by Stephen Jay Gould; W. W. Norton, 1996
Subjects: Ability--Testing--History, Craniometry--History, Intelligence Tests--History, Personality Tests--History
...skull. Now consider the implications of neoteny for the ranking of human groups. Under recapitulation...are like children of superior races. But neoteny reverses the argument. In the context of neoteny, it is "good" that is, advanced or superior...
3.
The Darwinian Heritage and Sociobiology
Book by Johan M. G. Van Der Dennen, David Smillie, Daniel R. Wilson; Praeger, 1999
Subjects: Social Darwinism--Congresses, Sociobiology--Congresses
...females to look as young as possible, and neoteny genes in women would continually be selected...and even be inherited by their sons. As neoteny genes are supposed not only to cause someone...increase in general intelligence as well. Neoteny is often too easily used as an explanation...
4.
Encyclopedia of Women and Gender: Sex Similarities and Differences and the Impact of Society on Gender - Vol. 1
Book by Judith Worell; Academic Press, 2001
Subjects: Sex Differences--Encyclopedias, Sex Role--Encyclopedias, Women--Encyclopedias, Women--Psychology--Encyclopedias, Women--Social Conditions--Encyclopedias
...infancy and youth that are typical of neoteny include a large head-size to body...tively these characteristics are termed neoteny and are thought to account for the inherent appeal of in- fants. Preferences for neoteny can be seen across species; for example...
5.
Towards a Measure of Man: The Frontiers of Normal Adjustment
Book by Paul Halmos; Routledge and Paul, 1957
Subjects: Social Adjustment
...achievement. At the same time, instances of neoteny are observed among other species, e...groups of crustaceans, and others, where neoteny is not accompanied by an advancement in...in a pungently appropriate comment on neoteny reveals much, ...I find a particular...
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journal articles on: Neoteny  - 18 results

       More journal Results: 1-10 11-18 >>  
 
1.
Drivers of Intelligence Evolution in Homo: Sexual Behavior, Food Acquisition and Infant Neoteny
Journal article by Kanetoshi Hattori; Mankind Quarterly, Vol. 39, 1998
Subjects: Evolution, Food, Intelligence, Language, Neurology, Sexual behavior
...Behavior, Food Acquisition and Infant Neoteny by Kanetoshi Hattori Introduction Although...than a howl of warning (Money, 1997). Neoteny of Homo Infants As we have noted, Homo...areas. Homo begun to deliver neonates as neoteny as brain volume increased over the size...
2.
Two Origins of Language Evolution: Unilateral Gestural Language and Bilateral Vocal Language, Hypotheses from IQ Test Data
Journal article by Kanetoshi Hattori; Mankind Quarterly, Vol. 39, 1999
Subjects: Intelligence tests, Language, Language acquisition, Psychology
...Males Slower Growth, K selection, and Neoteny The relatively slower growth of males...intraspecific competition is accelerated, neoteny is an appropriate strategy to acquire...the level reached by the ancestors. The neoteny under K selection is an effective strategy...
3.
"You Are Not Beppo": Elizabeth Bishop's Animals and Negotiation of Identity
Journal article by Priscilla Paton; Mosaic (Winnipeg), Vol. 39, 2006
Subjects: Animals--Portrayals, Bishop, Elizabeth--Criticism and interpretation, Bishop, Elizabeth--Works
...passages suggest the presence of a literary form of "neoteny." In biology, neoteny means the retention of juvenile traits into maturity...spiritual" (Costello 3). Her reaction suggests neoteny in its childlike attraction to different responsive...
4.
Through the Lens of Play
Journal article by Stuart L. Brown; Re-vision, Vol. 17, 1995
Subjects: Consciousness
...longer tend to play more. Staying young longer in form and function is called neoteny. The Biology of Human Play: Neoteny, Retardation, and Immaturity Neoteny is a term which comes from the Greek verb teinen, to stretch. How we and other...
5.
The Prehistory of Parenting and the Enigma of Fire
Journal article by Dan Dervin; The Journal of Psychohistory, Vol. 37, 2010
...scientists still debate over how and where neoteny, i.e., humans uniquely prolonged...neocortex, fits in. So far we may agree that neoteny crucially transforms offspring into children...language (symbolic thinking), and neoteny - we can add inwardness as first residing...
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magazine articles on: Neoteny  - 9 results

       More magazine Results: 1-9 >>  
 
1.
Forecasting the Frontiers of Design
Magazine article by James Woudhuysen; Design Management Review, Vol. 17, Fall 2006
Subjects: Climate change, Design engineering, Designers, Effectiveness, Leadership, Product quality, United States
...chances of leaders, Bennis and Thomas maintained, was something called neoteny-the retention of juvenile characteristics in the adult of a species. For corporate leaders, neoteny included: * A fondness for lifelong learning. * Spending weekends...
2.
Looking Daggers: Ned Denny Admires the Sculptural Sophistication of the Caveman's Tool Kit
Magazine article by Ned Denny; New Statesman, Vol. 131, April 29, 2002
Subjects: British Museum--Exhibitions, Prehistoric peoples--Exhibitions, Weapons--Exhibitions
...sculptural sophistication of the cavemans tool kit by Ned Denny Neoteny, one of natures odder mutations, is the process whereby a...of these underdeveloped freaks? Try looking in the mirror. Neoteny was crucial to the evolution of modern man--in particular...
3.
Word Exchange
Magazine article; Natural History, Vol. 119, July 2011
Subjects: Milk
...persistence may be another example of a juvenile trait, like floppy ears, that is retained in adulthood by domestic animals. Such neoteny would be the result of artificial selection for other traits, such as tame behavior and "cute" physical features. Brian...
4.
Tech Support
Magazine article; Popular Science, Vol. 265, October 2004
...like interest rates and depreciationperfect for a finance dummy like me. Joi Ito, founder of tech venture-capital firm Neoteny. The Tip Sheet For your next vacation... Ever wonder how Dr. Pepper is made? How about 747s? Kona coffee? Factory Tours...
5.
Meet the Salamander
Magazine article by Jeffrey P. Cohn; Americas (English Edition), Vol. 45, November 1993
Subjects: Latin America--Plants and animals, Plethodontidae--Physiological aspects
...Despite this juvenile state, axolotls reach sexual maturity and reproduce like other salamanders. This phenomenon, called neoteny by scientists, is not unique among salamanders. Some tiger salamanders in the United States also retain a larval form as...
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newspaper articles on: Neoteny  - 2 results

 
 
1.
More Mild Than Wild; IF YOU WANT AN UNUSUAL AND EXOTIC PET, BEWARE OF SPECIES WHICH COULD BE DANGEROUS AND DIFFICULT TO KEEP. NICK MAYS KNOWS SOME SAFER AND EASIER ALTERNATIVES . .
Newspaper article by Nick Mays; Sunday Mirror (London, England), March 22, 1998
...adult, land-dwelling salamander. It usually spends its life in water and can breed in this larval form, a process known as neoteny. Axolotls can grow to 20 or 25cms in length. They have broad, shovel-like heads with feathery gills. In their natural...
2.
Comfortable Life at University 'Stops Today's Youngsters from Growing Up'
Newspaper article; The Daily Mail (London, England), June 28, 2006
...Evolutionary psychiatrist Dr Bruce Charlton believes increasing numbers suffer from the condition, known as psychological neoteny. This means that their development is delayed so much that juvenile characteristics are retained well into maturity. His...


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encyclopedia articles on: Neoteny  - 6 results

       More encyclopedia Results: 1-6 >>  
 
1.
Neoteny
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
NEOTENY neot ne, in biology, sexual maturity...If environmental conditions improve, neoteny is reversible; i.e., the larvae can...metamorphosis and attain normal maturity. When neoteny occurs in some salamanders (see axolotl...
2.
Axolotl
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...losing its larval characteristics. This phenomenon is called neoteny; in salamanders it is apparently caused by certain environmental...American tiger salamander, Abystoma tigrinum, often exhibits neoteny in the Rocky Mts., where the iodine content of the water...
3.
Paedogenesis
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
PAEDOGENESIS see neoteny . ____________________ Copyright 2009 Columbia University Press. Used with the permission of Columbia University Press. All rights reserved.
4.
Salamander
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...salamanders growth occurs without metamorphosis, and the gilled, juvenile form is able to reproduce. This phenomenon (called neoteny ) is found in the sirens (family Sirenidae) of S United States and N Mexico, in the mud puppies (family Protidae), and...
5.
Ratite
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...feathers. This condition, in which animals reach adult size and maturity while maintaining an infantile appearance, is called neoteny. In their own environment, however, the ratites are by no means inferior to other birds. With their strong, heavy legs...
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