HOME >> BIOLOGY >> NEWS
Brain neurochemicals, not gender, tell a female to act like a female

ITHACA, N.Y. -- Cornell University biologists have shown how chemicals produced in a core region of the brain shared by all vertebrate animals (including humans) make males act like males, females like females -- and some males something like females.

James Goodson and Andrew Bass, who studied a fish species that produces two types of males for their report in the Feb. 17, 2000, issue of the journal Nature, say that brain processes responsible for social behavior typical of females, for example, aren't necessarily linked to the female's sex at all.

"This is a clear demonstration of how the action of neurochemicals can modulate the electrical or neurophysiological output of the brain as it establishes a social behavior," said Bass, professor of neurobiology and behavior, in an interview.

"We have also shown that there can be a neurochemical dissociation -- an uncoupling -- between an animal's gonadal sex and the regulation of behaviors typical of a sex," said Goodson, a postdoctoral fellow in Bass' neurobiology laboratory.

The part of the brain studied by Goodson and Bass is the preoptic area-anterior hypothalamus, a section of the basal forebrain, which neurobiologists say has been "conserved" throughout the evolution of vertebrates. The functions and structure of this conserved brain region are strikingly similar in fish, amphibians, reptiles, birds and mammals, including humans. The neurochemicals credited with sex-related social behaviors are isotocin and vasotocin in fish and are essentially the equivalents of oxytocin and vasopressin, respectively, in mammals.

The fish that made the neurochemical finding possible is the plainfin midshipman (Porichthys notatus), best known for its singing in shallow salt water at mating time. Most of the noise comes from male midshipman fish of the type I variety, which vocalize for hours under rocks to attract females. When type I males' courtship songs are successful, female
'"/>

Contact: Roger Segelken
hrs2@cornell.edu
607-255-9736
Cornell University News Service
15-Feb-2000


Page: 1 2 3 4

Related biology news :

1. Brain has center for detecting sound motion
2. Brains reward circuitry revealed in procrastinating primates
3. Brain serotonin enzyme finding might explain psychiatric disorders
4. Brain development and puberty may be key factors in learning disorders
5. Organization for Human Brain Mapping 2004 Annual Meeting
6. Brain disease research, particle physics meet in the middle (ware)
7. Brain control
8. Brain cells become more discriminating when they work together
9. Brain signal predicts working memory prowess
10. Brain areas identified that decode emotions of others
11. Brain Centre gives Wales a world lead

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Brain neurochemicals not gender tell female act like female

(Date:3/23/2015)... --  HOYOS Labs , a leading global authentication infrastructure ... Company will demonstrate multiple biometrics-based technologies under its identity ... on March 23 through 25, 2015, in ... IEEE Biometric Open Protocol Standard; free biometrics-based consumer app, ... system. BOPS was invented by HOYOS Labs and contributed ...
(Date:3/20/2015)... , Mar. 19, 2015 Research and Markets ... "Hand Geometry - Global Strategic Business Report" report to ... for Hand Geometry in US$ Thousands. The report provides separate ... Japan , Europe , ... , and Rest of World. Annual estimates and ...
(Date:3/18/2015)... 2015 As mobile payments become more ... wallets and apps continue to be introduced into the market ... mobile payment industry in focus today are:  NXT-ID, Inc. (NASDAQ: ... BABA ), Apple Inc. (NASDAQ: AAPL ), ... (NASDAQ: FB ) NXT-ID, Inc. (NASDAQ: ...
Breaking Biology News(10 mins):HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 2HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 3Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 2Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 3Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 4Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 2Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 3Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 4Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 5Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 6
(Date:3/30/2015)... San Francisco, CA (PRWEB) March 30, 2015 ... and tax incentives provided you the government, major companies ... state and local governments setting future mandates for renewable ... power as an option. , Solara Power is a ... to several incentive programs available that allow qualifying homeowners ...
(Date:3/30/2015)...  New Jersey Health Foundation, a not-for-profit organization that ... New Jersey , has committed $1 ... James M. Golubieski , president. Through ... an additional $500,000 will be available for awards of ... projects that demonstrate exciting potential and may lead to ...
(Date:3/30/2015)... 30, 2015  Spherix Incorporated (Nasdaq: SPEX ... fostering and monetization of intellectual property, today provided ... 3:13-cv-03494-M and  Spherix v. Uniden , Case No. ... for the Northern District of Texas ... v. Verizon, Case No. 1:14-cv-00721-GBL-TCB, in the ...
(Date:3/30/2015)... MADISON, Wis. , March 30, 2015 /PRNewswire/ ... 4901) ("Fujifilm") and Cellular Dynamics International, Inc. (CEO: ... a leading developer and manufacturer of fully functioning human ... that the two companies have entered into a definitive ... tender offer to be followed by a second step ...
Breaking Biology Technology:Solara Power Announces Residential Solar Power with No Up-Front Fees 2New Jersey Health Foundation Announces An Additional $1 Million To Fund Innovation and Research Grants in New Jersey 2Spherix Provides Update on Litigation vs. VTech, Uniden and Verizon 2Spherix Provides Update on Litigation vs. VTech, Uniden and Verizon 3Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 2Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 3Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 4Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 5Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 6Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 7Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 8
Cached News: