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EJ936354 - Using Digital Images of the Zebra Finch Song System as a Tool to Teach Organizational Effects of Steroid Hormones: A Free Downloadable Module

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ERIC #:	EJ936354
Title:	Using Digital Images of the Zebra Finch Song System as a Tool to Teach Organizational Effects of Steroid Hormones: A Free Downloadable Module
Authors:	Grisham, William; Schottler, Natalie A.; Beck McCauley, Lisa M.; Pham, Anh P.; Ruiz, Maureen L.; Fong, Michelle C.; Cui, Xinran
Descriptors:	Animals; Brain; Gender Differences; Visual Aids; Instructional Materials; College Science; Science Instruction; Biology; Undergraduate Students; Science Activities; Laboratory Experiments; Instructional Effectiveness
Source:	CBE - Life Sciences Education, v10 n2 p222-230 Sum 2011
More Info: Help Peer Reviewed:	Yes
Publisher:	American Society for Cell Biology. 8120 Woodmont Avenue Suite 750, Bethesda, MD 20814-2762. Tel: 301-347-9300; Fax: 301-347-9310; e-mail: ascbinfo@ascb.org; Website: http://www.ascb.org
Publication Date:	2011-00-00
Pages:	9
Pub Types:	Journal Articles; Reports - Descriptive
Abstract:	Zebra finch song behavior is sexually dimorphic: males sing and females do not. The neural system underlying this behavior is sexually dimorphic, and this sex difference is easy to quantify. During development, the zebra finch song system can be altered by steroid hormones, specifically estradiol, which actually masculinizes it. Because of the ease of quantification and experimental manipulation, the zebra finch song system has great potential for use in undergraduate labs. Unfortunately, the underlying costs prohibit use of this system in undergraduate labs. Further, the time required to perform a developmental study renders such undertakings unrealistic within a single academic term. We have overcome these barriers by creating digital tools, including an image library of song nuclei from zebra finch brains. Students using this library replicate and extend a published experiment examining the dose of estradiol required to masculinize the female zebra finch brain. We have used this library for several terms, and students not only obtain significant experimental results but also make gains in understanding content, experimental controls, and inferential statistics (analysis of variance and post hoc tests). We have provided free access to these digital tools at the following website: http://mdcune.psych.ucla.edu/modules/birdsong. (Contains 6 figures and 1 table.)
Abstractor:	As Provided
Reference Count:	37

Note:	N/A
Identifiers:	Post Hoc Tests
Record Type:	Journal
Level:	N/A
Institutions:	N/A
Sponsors:	N/A
ISBN:	N/A
ISSN:	ISSN-1931-7913
Audiences:	N/A
Languages:	English
Education Level:	Higher Education; Postsecondary Education
Direct Link:	http://dx.doi.org/10.1187/cbe.11-01-0002

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