2012
DOI: 10.1371/journal.pone.0032178
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Characterization of Synaptically Connected Nuclei in a Potential Sensorimotor Feedback Pathway in the Zebra Finch Song System

Abstract: Birdsong is a learned behavior that is controlled by a group of identified nuclei, known collectively as the song system. The cortical nucleus HVC (used as a proper name) is a focal point of many investigations as it is necessary for song production, song learning, and receives selective auditory information. HVC receives input from several sources including the cortical area MMAN (medial magnocellular nucleus of the nidopallium). The MMAN to HVC connection is particularly interesting as it provides potential … Show more

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Cited by 16 publications
(13 citation statements)
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“…Fat and muscles were pulled to the side and the tracheosyringeal nerve was isolated with fine forceps. A 3-5 mm length of nerve was removed, and the incision into the skin was sutured (Vicario, 1991;Williams and McKibben, 1992).…”
Section: Manipulations Of the Sensory Systemmentioning
confidence: 99%
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“…Fat and muscles were pulled to the side and the tracheosyringeal nerve was isolated with fine forceps. A 3-5 mm length of nerve was removed, and the incision into the skin was sutured (Vicario, 1991;Williams and McKibben, 1992).…”
Section: Manipulations Of the Sensory Systemmentioning
confidence: 99%
“…For these experiments, we chose to examine the cellular and behavioral consequences of a female call (Fig. 3 A, B), because this stimulus has been shown to have the capacity to perturb ongoing singing behavior (Williams, 2004). Across four birds whose activity was further examined for these experiments, 98 of 290 (33.8%) directed song motifs were accompanied by at least one female call.…”
Section: Intracellular Activity In Hvc Projection Neurons During Singingmentioning
confidence: 99%
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“…Interestingly, birds with unilateral Uva lesions, which show similar immediate deficits as bilateral lesioned birds, eventually recover their song. The mechanism of this recovery is not understood but might involve compensation through an alternate pathway that also links RA indirectly back to HVC (RA→DMP (thalamus)→mMAN→HVC) but which in itself is not necessary for song production (Coleman and Vu, 2005; Foster and Bottjer, 2001; Williams et al, 2012). …”
Section: Song Production and The “Respiratory-thalamo-cortical” Patmentioning
confidence: 99%
“…HVC and RA are also indirectly connected through the Anterior Forebrain Pathway (AFP), a basal ganglia-thalamo-cortical circuit that is critical for song learning, but not essential for producing learned song (Figure 1G) (Bottjer et al, 1984; Scharff and Nottebohm, 1991). A separate basal ganglia circuit, medial to the AFP, receives input from and provides output to HVC (Foster et al, 1997; Kubikova et al, 2007; Williams et al, 2012) (Figure 6A), but the role of this circuit in song learning, if any, remains to be elucidated (Foster and Bottjer, 2001). …”
Section: Introductionmentioning
confidence: 99%