Search Results - "Nordeen, K.W"

Increased Fos expression among midbrain dopaminergic cell groups during birdsong tutoring by Nordeen, E.J., Holtzman, D.A., Nordeen, K.W.

“…During avian vocal learning, birds memorize conspecific song patterns and then use auditory feedback to match their vocal output to this acquired template…”
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Characterization of CaMKII-expressing neurons within a striatal region implicated in avian vocal learning by Hein, A.M, Sridharan, A, Nordeen, K.W, Nordeen, E.J

“…Abstract In songbirds, an anterior forebrain pathway has been implicated in vocal learning. Within Area X, the striatal–pallidal component of this forebrain…”
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Blockade of NMDA Receptors in the Anterior Forebrain Impairs Sensory Acquisition in the Zebra Finch (Poephila guttata) by Basham, M.E., Nordeen, E.J., Nordeen, K.W.

“…Juvenile zebra finches (Poephila guttata) learn song in two stages: during sensory acquisition, they memorize the song of an adult tutor, and during…”
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Dissociation between extension of the sensitive period for avian vocal learning and dendritic spine loss in the song nucleus lMAN by Heinrich, J.E., Nordeen, K.W., Nordeen, E.J.

“…Several instances of early learning coincide with significant rearrangements of neural connections in regions contributing to these behaviors. In fact…”
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NR2B downregulation in a forebrain region required for avian vocal learning is not sufficient to close the sensitive period for song learning by Heinrich, J.E, Singh, T.D, Nordeen, K.W, Nordeen, E.J

“…The neural changes that limit the sensitive period for avian song development are unknown, but neurons in a forebrain region critical for song learning, the…”
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Androgens Prevent Normally Occurring Cell Death in a Sexually Dimorphic Spinal Nucleus by Nordeen, E. J., Nordeen, K. W., Sengelaub, D. R., Arnold, A. P.

“…The spinal nucleus of the bulbocavernosus (SNB) contains many more motoneurons in adult male rats than in females. Androgens establish this sex difference…”
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Neurogenesis and sensitive periods in avian song learning by Nordeen, E J, Nordeen, K W

“…In many species of birds the propensity to learn songs from conspecifics is greatest during one or more distinct periods in life. These 'sensitive' learning…”
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Estrogen promotes neuron addition to an avian song-control nucleus by regulating post-mitotic events by Burek, M.J., Nordeen, K.W., Nordeen, E.J.

“…Only male zebra finches sing and several telencephalic song control regions exhibit sex differences in neuron number that presumably reflect effects of…”
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Ontogeny of sex differences among newly-generated neurons of the juvenile avian brain by Burek, M J, Nordeen, K W, Nordeen, E J

“…In zebra finches, only males sing and brain regions controlling song exhibit sex differences in neuron number that stem from actions of estrogen during a…”
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