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Auditory feedback is necessary for the maintenance of stereotyped song in adult zebra finches.
Although songbirds rely on auditory input for normal song development, many species eventually attain adult song patterns that are thought to be maintained without reference to auditory feedback. In… Expand
Selective impairment of song learning following lesions of a forebrain nucleus in the juvenile zebra finch.
Area X, a large sexually dimorphic nucleus in the avian ventral forebrain, is part of a highly discrete system of interconnected nuclei that have been implicated in either song learning or adult song… Expand
Sex and regional differences in the incorporation of neurons born during song learning in zebra finches
In zebra finches only males sing, and several nuclei controlling song contain more neurons in adult males than in females. The ontogeny of sex differences in neuron number differs across song regions… Expand
Neuron loss and addition in developing zebra finch song nuclei are independent of auditory experience during song learning.
In zebra finches early auditory experience is critical for normal song development. Young males first listen to and memorize a suitable song model and then use auditory feedback from their own… Expand
An introduction to birdsong and the avian song system.
- Eliot A. Brenowitz, D. Margoliash, K. Nordeen
- Biology, Medicine
- Journal of neurobiology
- 5 November 1997
INTRODUCTION Konishi, while a student with Marler, showed that birds must be able to hear themselves sing to develop song normally. Fernando Nottebohm, also This special issue of the Journal of… Expand
Blockade of NMDA Receptors in the Anterior Forebrain Impairs Sensory Acquisition in the Zebra Finch (Poephila guttata)
- M. Basham, E. Nordeen, K. Nordeen
- Psychology, Medicine
- Neurobiology of Learning and Memory
- 1 November 1996
Juvenile zebra finches (Poephila guttata) learn song in two stages: during sensory acquisition, they memorize the song of an adult tutor, and during sensorimotor learning, they alter their… Expand
Androgens prevent normally occurring cell death in a sexually dimorphic spinal nucleus.
The spinal nucleus of the bulbocavernosus (SNB) contains many more motoneurons in adult male rats than in females. Androgens establish this sex difference during a critical perinatal period, which… Expand
Projection neurons within a vocal motor pathway are born during song learning in zebra finches
Many birds learn song during a restricted 'sensitive' period1. Juveniles memorize a song model, and then learn the pattern of muscle contractions necessary to reproduce the song. Of the neural… Expand
Ascending auditory projections to the inferior colliculus in the adult gerbil, Meriones unguiculatus
- K. Nordeen, H. Killackey, L. Kitzes
- Biology, Medicine
- The Journal of comparative neurology
- 20 February 1983
Ascending auditory projections to the inferiorcolliculus (1C) of the adult gerbil were studied using the retrograde transport of horseradish perpxi‐dase. Our results indicate that in gerbils. The… Expand
Individual variation in neuron number predicts differences in the propensity for avian vocal imitation.
- B. C. Ward, E. Nordeen, K. Nordeen
- Biology, Psychology
- Proceedings of the National Academy of Sciences…
- 3 February 1998
Avian song learning involves memorizing and reproducing song material produced by conspecifics. In several species song repertoire size correlates with the overall volume of two song-related brain… Expand