Midbrain vocalization centres in birds

Seller, T.J.

doi:10.1016/0166-2236(81)90094-1

Cited by 62 publications

(37 citation statements)

References 13 publications

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“…96 Electrical stimulation of nucleus intercollicularis also elicits a wide variety of natural calls and influences respiratory rate, 5 and nucleus intercollicularis lesions reduce the occurrence frequency of crowing. 77,78 The increased glucose utilization in nucleus intercollicularis was specific to the CSB group while birds performing appetitive behaviour only (ASB group) did not display a change in metabolic activity in this nucleus by comparison with control birds. Interestingly, a similar increase in activity in the nucleus intercollicularis following performance of copulatory behavior has previously been detected in immunocytochemical studies analysing the expression of the immediate early genes Fos and Zenk.…”

Section: Auditory/vocal Areasmentioning

confidence: 95%

Performance of appetitive or consummatory components of male sexual behavior is mediated by different brain areas: a 2-deoxyglucose autoradiographic study

Dermon¹,

Stamatakis²,

Tlemçani³

et al. 1999

Neuroscience

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Abstract-The in vivo autoradiographic deoxyglucose method was used to identify the functional brain circuits that are involved in the performance of appetitive and consummatory components of male sexual behavior in Japanese quail (Coturnix japonica). Two groups of castrated, testosterone-treated male quail were trained during 12 sessions to associate the view of a female behind a window with the opportunity to interact freely and to copulate with her. They developed, as a consequence, a social proximity response (staying close and looking through the window providing a view of the female) that has been used in previous experiments to measure appetitive sexual behavior. A third control group (also castrated and treated with testosterone) was allowed to view the female but not to copulate with her and therefore did not develop this proximity response. 2-14 C-deoxyglucose was then injected i.p. to these birds and they were allowed to either copulate freely with a female (consummatory sexual behavior group) or express the social proximity response (appetitive sexual behavior group). The control group was provided a view of the female but these birds, although they were exposed to the same stimuli as birds in the appetitive group, did not express the social proximity response because they had never learned the association with the opportunity to copulate. Birds were killed 45 min after the deoxyglucose injection and their brains were processed for autoradiography. Densitometric analyses of the autoradiograms revealed that the expression of appetitive or consummatory aspects of male sexual behavior was associated with significant increases by comparison with the control group in the deoxyglucose incorporation in the nucleus mesencephalicus lateralis, pars dorsalis and in the nucleus leminsci lateralis. In addition, an increase in the deoxyglucose incorporation was specifically observed in the paleostriatum primitivum, rostral preoptic area, nucleus intercollicularis, nucleus interpeduncularis and third nerve but a decrease was observed in the dorsomedial part of the hippocampus and in the nucleus nervi oculomotori in birds of the consummatory sexual behavior group by comparison with controls. By contrast, in the appetitive sexual behavior group, significant increases in deoxyglucose incorporation were observed in two telencephalic areas, the intermediate hyperstriatum ventrale and neostriatum caudolaterale by comparison with the controls, but decreases were detected in the stratum griseum et fibrosum superficiale of optic tectum by comparison with the consummatory behavior group.These studies demonstrate that the performance of appetitive or consummatory components of male sexual behavior affects in a specific manner the deoxyglucose uptake and accumulation in specific regions of the quail brain. Changes in metabolic activity were observed in steroid-sensitive areas, in auditory, visual and vocal brain regions, and in brain nuclei related to motor behavior but also in association telencephalic and limbic structures. T...

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Section: Auditory/vocal Areasmentioning

confidence: 95%

Performance of appetitive or consummatory components of male sexual behavior is mediated by different brain areas: a 2-deoxyglucose autoradiographic study

Dermon¹,

Stamatakis²,

Tlemçani³

et al. 1999

Neuroscience

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“…Lesions to the face motor cortex in chimpanzees and other non-human primates do not affect their ability to produce vocalizations (Kuypers 1958b;Jurgens et al 1982;Kirzinger and Jurgens 1982). Lesions to avian nXIIts and DM and mammalian Am and PAG result in muteness in both vocal learners and non-learners (Brown 1965;Nottebohm et al 1976;Seller 1981;Jurgens 1994Jurgens , 1998Esposito et al 1999). …”

Section: Functions Of Vocal Brain Areas In Birds and Humansmentioning

confidence: 99%

Neural systems for vocal learning in birds and humans: a synopsis

Jarvis

2007

J Ornithol

101

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I present here a synopsis on a hypothesis that I derived on the similarities and differences of vocal learning systems in vocal learning birds for learned song and in humans for spoken language. This hypothesis states that vocal learning birds-songbirds, parrots, and hummingbirds-and humans have comparable specialized forebrain regions that are not found in their close vocal non-learning relatives. In vocal learning birds, these forebrain regions appear to be divided into two sub-pathways, a vocal motor pathway mainly used to produce learned vocalizations and a pallial-basal-gangliathalamic loop mainly used to learn and modify the vocalizations. I propose that humans have analogous forebrain pathways within and adjacent to the motor and pre-motor cortices, respectively, used to produce and learn speech. Recent advances have supported the existence of the seven cerebral vocal nuclei in the vocal learning birds and the proposed brain regions in humans. The results in birds suggest that the reason why the forebrain regions are similar across distantly related vocal learners is that the vocal pathways may have evolved out of a pre-existing motor pathway that predates the ancient split from the common ancestor of birds and mammals. Although this hypothesis will require the development of novel technologies to be fully tested, the existing evidence suggest that there are strong genetic constraints on how vocal learning neural systems can evolve.

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“…We know, for example, in birds that midbrain vocal centres control scolding [17,18], and in birds and mammals that the amygdala is involved in learned fear responses [19,20], including those of a crow encountering a person known to be dangerous [21]. However, because a great variety of stimuli elicit the same diving, calling and rallying behaviour during mobbing, the crow's stereotypical actions are the final message from a neural network that must guide innate reflexive responses, enable rapid associative and spatial learning, and weigh the costs and benefits of risky actions.…”

Section: Introductionmentioning

confidence: 99%

Distinct neural circuits underlie assessment of a diversity of natural dangers by American crows

et al. 2013

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Social animals encountering natural dangers face decisions such as whether to freeze, flee or harass the threat. The American crow, Corvus brachyrhynchos, conspicuously mobs dangers. We used positron emission tomography to test the hypothesis that distinct neuronal substrates underlie the crow's consistent behavioural response to different dangers. We found that crows activated brain regions associated with attention and arousal (nucleus isthmo-opticus/locus coeruleus), and with motor response (arcopallium), as they fixed their gaze on a threat. However, despite this consistent behavioural and neural response, the sight of a person who previously captured the crow, a person holding a dead crow and a taxidermy-mounted hawk activated distinct forebrain regions (amygdala, hippocampus and portion of the caudal nidopallium, respectively). We suggest that aspects of mobbing behaviour are guided by unique neural circuits that respond to differences in mental processing-learning, memory formation and multisensory discrimination-required to appropriately nuance a risky behaviour to specific dangers.

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Midbrain vocalization centres in birds

Cited by 62 publications

References 13 publications

Performance of appetitive or consummatory components of male sexual behavior is mediated by different brain areas: a 2-deoxyglucose autoradiographic study

Performance of appetitive or consummatory components of male sexual behavior is mediated by different brain areas: a 2-deoxyglucose autoradiographic study

Neural systems for vocal learning in birds and humans: a synopsis

Distinct neural circuits underlie assessment of a diversity of natural dangers by American crows

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