Functional changes in field L complex during song development of juvenile male zebra finches

Gehr, D. D. and Hofer, S. B. and Marquardt, D. and Leppelsack, H.. (2000) Functional changes in field L complex during song development of juvenile male zebra finches. Developmental Brain Research, 125 (1-2). pp. 153-165.

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The field L complex is the highest station of the ascending auditory pathway and is thought to be the input stage of auditory information into the song system in birds. Multi-unit recordings were performed in awake, socially reared zebra finches, 30 and 60 days of age. The responses of the field L complex to synthetic and natural stimuli during important periods of song learning were investigated. According to neural responses in field L, three different functional areas could be distinguished, NA-L(30), NA2b(30) and NA2c(30,) in 30 days old birds. In 60 days old birds five different functional areas, NA-L(60), NA2a(60), NA2b(60), NA2c(60) and NA3(60), were recognised. Especially, NA-L increases its functional volume between the developmental stages. The different areas showed already mature neuronal response behaviours. No preference for a certain song type could be found at all ages. The incomplete functional organisation of the field L complex in young birds (30 days) is a possible reason for the nonselectivity in the song system at this age.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Neuronal circuits and brain function (Hofer)
UniBasel Contributors:Hofer, Sonja
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:03 Nov 2017 10:03
Deposited On:03 Nov 2017 10:03

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