Effects of the Aromatase Inhibitor R76713 On Sexual Differentiation of Brain and Behavior in Zebra Finches

Effects of the Aromatase Inhibitor R76713 On Sexual Differentiation of Brain and Behavior in... EFFECTS OF THE AROMATASE INHIBITOR R76713 ON SEXUAL DIFFERENTIATION OF BRAIN AND BEHAVIOR IN ZEBRA FINCHES by JACQUES BALTHAZART1), PHILLIPE ABSIL1), VERONIQUE FIASSE1) and GREGORY F. BALL2,3,4) (1Laboratory of General and Comparative Biochemistry, 17 place Delcour, University of Liège, Liège, Belgium and 2Department of Psychology, Johns Hopkins University, Bal- timore, MD 21218, USA) (With 5 Figures) (Acc. 19-IX-1994) Summary Neonatal estradiol injections masculinize both the singing behavior and some morphologi- cal aspects of the song control nuclei in female zebra finches (Taeniopygia guttata), but there is to date no physiological evidence that estrogens are responsible for the differentiation of song and the song control nuclei in male zebra finches during normal ontogeny. Injections of estrogen into young males demasculinizes their copulatory behavior, so that it is difficult to understand how the same endocrine environment could simultaneously masculinize song and demasculinize copulation. Attempts to block early estrogen action in males have resulted in a paradoxical hypermasculinization of several aspects of the song control nuclei. In the present experiment, we tried to evaluate the role played by estrogens during zebra finch differentiation by blocking their secretion with the non-steroidal aromatase inhibitor, R76713 or racemic vorozole. Zebra finches received at 2-3 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Effects of the Aromatase Inhibitor R76713 On Sexual Differentiation of Brain and Behavior in Zebra Finches

Loading next page...
 
/lp/brill/effects-of-the-aromatase-inhibitor-r76713-on-sexual-differentiation-of-VeF9mIy540
Publisher
BRILL
Copyright
© 1994 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
D.O.I.
10.1163/156853994X00451
Publisher site
See Article on Publisher Site

Abstract

EFFECTS OF THE AROMATASE INHIBITOR R76713 ON SEXUAL DIFFERENTIATION OF BRAIN AND BEHAVIOR IN ZEBRA FINCHES by JACQUES BALTHAZART1), PHILLIPE ABSIL1), VERONIQUE FIASSE1) and GREGORY F. BALL2,3,4) (1Laboratory of General and Comparative Biochemistry, 17 place Delcour, University of Liège, Liège, Belgium and 2Department of Psychology, Johns Hopkins University, Bal- timore, MD 21218, USA) (With 5 Figures) (Acc. 19-IX-1994) Summary Neonatal estradiol injections masculinize both the singing behavior and some morphologi- cal aspects of the song control nuclei in female zebra finches (Taeniopygia guttata), but there is to date no physiological evidence that estrogens are responsible for the differentiation of song and the song control nuclei in male zebra finches during normal ontogeny. Injections of estrogen into young males demasculinizes their copulatory behavior, so that it is difficult to understand how the same endocrine environment could simultaneously masculinize song and demasculinize copulation. Attempts to block early estrogen action in males have resulted in a paradoxical hypermasculinization of several aspects of the song control nuclei. In the present experiment, we tried to evaluate the role played by estrogens during zebra finch differentiation by blocking their secretion with the non-steroidal aromatase inhibitor, R76713 or racemic vorozole. Zebra finches received at 2-3

Journal

BehaviourBrill

Published: Jan 1, 1994

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off