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Lorenzi E, Nadalin G, Morandi-Raikova A, Mayer U, Vallortigara G. Noncortical coding of biological motion in newborn chicks' brain. Cereb Cortex 2024; 34:bhae262. [PMID: 38918076 DOI: 10.1093/cercor/bhae262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024] Open
Abstract
Biological motion, the typical movement of vertebrates, is perceptually salient for many animal species. Newly hatched domestic chicks and human newborns show a spontaneous preference for simple biological motion stimuli (point-light displays) at birth prior to any visual learning. Despite evidence of such preference at birth, neural studies performed so far have focused on a specialized neural network involving primarily cortical areas. Here, we presented newly hatched visually naïve domestic chicks to either biological or rigid motion stimuli and measured for the first time their brain activation. Immediate Early Gene (c-Fos) expression revealed selective activation in the preoptic area of the hypothalamus and the nucleus taeniae of the amygdala. These results suggest that subpallial/subcortical regions play a crucial role in biological motion perception at hatching, paving the way for future studies on adult animals, including humans.
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Affiliation(s)
- Elena Lorenzi
- CIMeC, University of Trento, piazza della Manifattura 1, Rovereto, TN 30868, Italy
| | - Giulia Nadalin
- CIMeC, University of Trento, piazza della Manifattura 1, Rovereto, TN 30868, Italy
| | | | - Uwe Mayer
- CIMeC, University of Trento, piazza della Manifattura 1, Rovereto, TN 30868, Italy
| | - Giorgio Vallortigara
- CIMeC, University of Trento, piazza della Manifattura 1, Rovereto, TN 30868, Italy
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2
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Abstract
In recent years, the impact of prenatal sound on development, notably for programming individual phenotypes for postnatal conditions, has increasingly been revealed. However, the mechanisms through which sound affects physiology and development remain mostly unexplored. Here, I gather evidence from neurobiology, developmental biology, cellular biology and bioacoustics to identify the most plausible modes of action of sound on developing embryos. First, revealing often-unsuspected plasticity, I discuss how prenatal sound may shape auditory system development and determine individuals' later capacity to receive acoustic information. I also consider the impact of hormones, including thyroid hormones, glucocorticoids and androgen, on auditory plasticity. Second, I review what is known about sound transduction to other - non-auditory - brain regions, and its potential to input on classical developmental programming pathways. Namely, the auditory pathway has direct anatomical and functional connectivity to the hippocampus, amygdala and/or hypothalamus, in mammals, birds and anurans. Sound can thus trigger both immediate and delayed responses in these limbic regions, which are specific to the acoustic stimulus and its biological relevance. Third, beyond the brain, I briefly consider the possibility for sound to directly affect cellular functioning, based on evidence in earless organisms (e.g. plants) and cell cultures. Together, the multi-disciplinary evidence gathered here shows that the brain is wired to allow multiple physiological and developmental effects of sound. Overall, there are many unexplored, but possible, pathways for sound to impact even primitive or immature organisms. Throughout, I identify the most promising research avenues for unravelling the processes of acoustic developmental programming.
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Affiliation(s)
- Mylene M Mariette
- Doñana Biological Station EBD-CSIC, 41092 Seville, Spain
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC 3216, Australia
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3
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Effects of early social experience on sexual behavior in Japanese quail (Coturnix Japonica). Learn Behav 2022; 50:283-297. [DOI: 10.3758/s13420-022-00527-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2022] [Indexed: 11/08/2022]
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4
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Neural basis of unfamiliar conspecific recognition in domestic chicks (Gallus Gallus domesticus). Behav Brain Res 2020; 397:112927. [PMID: 32980353 DOI: 10.1016/j.bbr.2020.112927] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/14/2020] [Accepted: 09/20/2020] [Indexed: 12/27/2022]
Abstract
Domestic chickens are able to distinguish familiar from unfamiliar conspecifics, however the neuronal mechanisms mediating this behaviour are almost unknown. Moreover, the lateralisation of chicks' social recognition has only been investigated at the behavioural level, but not at the neural level. The aim of the present study was to test the hypothesis that exposure to unfamiliar conspecifics will selectively activate septum, hippocampus or nucleus taeniae of the amygdala of young domestic chicks. Moreover we also wanted to test the lateralisation of this response. For this purpose, we used the immediate early gene product c-Fos to map neural activity. Chicks were housed in pairs for one week. At test, either one of the two chicks was exchanged by an unfamiliar individual (experimental 'unfamiliar' group) or the familiar individual was briefly removed and then placed back in its original cage (control 'familiar' group). Analyses of chicks' interactions with the familiar/unfamiliar social companion revealed a higher number of social pecks directed towards unfamiliar individuals, compared to familiar controls. Moreover, in the group exposed to the unfamiliar individual a significantly higher activation was present in the dorsal and ventral septum of the left hemisphere and in the ventral hippocampus of the right hemisphere, compared to the control condition. These effects were neither present in other subareas of hippocampus or septum, nor in the nucleus taeniae of the amygdala. Our study thus indicates selective lateralised involvement of domestic chicks' septal and hippocampal subregions in responses to unfamiliar conspecific.
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5
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Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks. Sci Rep 2019; 9:9849. [PMID: 31285532 PMCID: PMC6614359 DOI: 10.1038/s41598-019-46322-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/18/2019] [Indexed: 01/17/2023] Open
Abstract
The detection of animate beings at the onset of life is important for phylogenetically distant species, such as birds and primates. Naïve chicks preferentially approach a stimulus resembling a conspecific (a stuffed fowl) over a less naturalistic one (a scrambled version of the stuffed fowl, presenting the same low-level visual features as the fowl in an unnatural configuration). The neuronal mechanisms underlying this behavior are mostly unknown. However, it has been hypothesized that innate social predispositions may involve subpallial brain areas including the amygdala. Here we asked whether a stuffed hen would activate areas of the arcopallium/amygdala complex, in particular the nucleus taeniae of the amygdala (TnA) or septum. We measured brain activity by visualizing the immediate early gene product c-Fos. After exposure to the hen, TnA showed higher density of c-Fos expressing neurons, compared to chicks that were exposed to the scrambled stimulus. A similar trend was present in the lower portion of the arcopallium, but not in the upper portion of the arcopallium or in the septum. This demonstrates that at birth the TnA is already engaged in responses to social visual stimuli, suggesting an important role for this nucleus in the early ontogenetic development of social behavior.
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6
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Sen S, Parishar P, Pundir AS, Reiner A, Iyengar S. The expression of tyrosine hydroxylase and DARPP-32 in the house crow (Corvus splendens) brain. J Comp Neurol 2019; 527:1801-1836. [PMID: 30697741 DOI: 10.1002/cne.24649] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 01/22/2019] [Accepted: 01/24/2019] [Indexed: 01/27/2023]
Abstract
Birds of the family Corvidae which includes diverse species such as crows, rooks, ravens, magpies, jays, and jackdaws are known for their amazing abilities at problem-solving. Since the catecholaminergic system, especially the neurotransmitter dopamine, plays a role in cognition, we decided to study the distribution of tyrosine hydroxylase (TH), the rate-limiting enzyme in the synthesis of catecholamines in the brain of house crows (Corvus splendens). We also studied the expression of DARPP-32 (dopamine and cAMP-regulated phosphoprotein), which is expressed in dopaminoceptive neurons. Our results demonstrated that as in other avian species, the expression of both TH and DARPP-32 was highest in the house crow striatum. The caudolateral nidopallium (NCL, the avian analogue of the mammalian prefrontal cortex) could be differentiated from the surrounding pallial regions based on a larger number of TH-positive "baskets" of fibers around neurons in this region and greater intensity of DARPP-32 staining in the neuropil in this region. House crows also possessed distinct nuclei in their brains which corresponded to song control regions in other songbirds. Whereas immunoreactivity for TH was higher in the vocal control region Area X compared to the surrounding MSt (medial striatum) in house crows, staining in RA and HVC was not as prominent. Furthermore, the arcopallial song control regions RA (nucleus robustus arcopallialis) and AId (intermediate arcopallium) were strikingly negative for DARPP-32 staining, in contrast to the surrounding arcopallium. Patterns of immunoreactivity for TH and DARPP-32 in "limbic" areas such as the hippocampus, septum, and extended amygdala have also been described.
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Affiliation(s)
- Shankhamala Sen
- Division of Systems Neuroscience, National Brain Research Centre, Gurugram, Haryana, India
| | - Pooja Parishar
- Division of Systems Neuroscience, National Brain Research Centre, Gurugram, Haryana, India
| | - Arvind Singh Pundir
- Division of Systems Neuroscience, National Brain Research Centre, Gurugram, Haryana, India
| | - Anton Reiner
- Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, Tennessee, United States.,Department of Ophthalmology, University of Tennessee, Memphis, Tennessee, United States
| | - Soumya Iyengar
- Division of Systems Neuroscience, National Brain Research Centre, Gurugram, Haryana, India
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7
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Baran NM, Peck SC, Kim TH, Goldstein MH, Adkins-Regan E. Early life manipulations of vasopressin-family peptides alter vocal learning. Proc Biol Sci 2018; 284:rspb.2017.1114. [PMID: 28724738 DOI: 10.1098/rspb.2017.1114] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 06/14/2017] [Indexed: 12/18/2022] Open
Abstract
Vocal learning from social partners is crucial for the successful development of communication in a wide range of species. Social interactions organize attention and enhance motivation to learn species-typical behaviour. However, the neurobiological mechanisms connecting social motivation and vocal learning are unknown. Using zebra finches (Taeniopygia guttata), a ubiquitous model for vocal learning, we show that manipulations of nonapeptide hormones in the vasopressin family (arginine vasotocin, AVT) early in development can promote or disrupt both song and social motivation. Young male zebra finches, like human infants, are socially gregarious and require interactive feedback from adult tutors to learn mature vocal forms. To investigate the role of social motivational mechanisms in song learning, in two studies, we injected hatchling males with AVT or Manning compound (MC, a nonapeptide receptor antagonist) on days 2-8 post-hatching and recorded song at maturity. In both studies, MC males produced a worse match to tutor song than controls. In study 2, which experimentally controlled for tutor and genetic factors, AVT males also learned song significantly better compared with controls. Furthermore, song similarity correlated with several measures of social motivation throughout development. These findings provide the first evidence that nonapeptides are critical to the development of vocal learning.
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Affiliation(s)
- Nicole M Baran
- Department of Psychology, Cornell University, Ithaca, NY 14853, USA .,School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Samantha C Peck
- Department of Psychology, Cornell University, Ithaca, NY 14853, USA
| | - Tabitha H Kim
- Department of Psychology, Cornell University, Ithaca, NY 14853, USA
| | | | - Elizabeth Adkins-Regan
- Department of Psychology, Cornell University, Ithaca, NY 14853, USA.,Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA
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Krause ET, Bischof HJ, Engel K, Golüke S, Maraci Ö, Mayer U, Sauer J, Caspers BA. Olfaction in the Zebra Finch ( Taeniopygia guttata ): What Is Known and Further Perspectives. ADVANCES IN THE STUDY OF BEHAVIOR 2018. [DOI: 10.1016/bs.asb.2017.11.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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9
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Baran NM. Sensitive Periods, Vasotocin-Family Peptides, and the Evolution and Development of Social Behavior. Front Endocrinol (Lausanne) 2017; 8:189. [PMID: 28824549 PMCID: PMC5539493 DOI: 10.3389/fendo.2017.00189] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Accepted: 07/19/2017] [Indexed: 01/15/2023] Open
Abstract
Nonapeptides, by modulating the activity of neural circuits in specific social contexts, provide an important mechanism underlying the evolution of diverse behavioral phenotypes across vertebrate taxa. Vasotocin-family nonapeptides, in particular, have been found to be involved in behavioral plasticity and diversity in social behavior, including seasonal variation, sexual dimorphism, and species differences. Although nonapeptides have been the focus of a great deal of research over the last several decades, the vast majority of this work has focused on adults. However, behavioral diversity may also be explained by the ways in which these peptides shape neural circuits and influence social processes during development. In this review, I synthesize comparative work on vasotocin-family peptides during development and classic work on early forms of social learning in developmental psychobiology. I also summarize recent work demonstrating that early life manipulations of the nonapeptide system alter attachment, affiliation, and vocal learning in zebra finches. I thus hypothesize that vasotocin-family peptides are involved in the evolution of social behaviors through their influence on learning during sensitive periods in social development.
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Affiliation(s)
- Nicole M. Baran
- Department of Psychology, Cornell University, Ithaca, NY, United States
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, United States
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10
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Lorenzi E, Mayer U, Rosa-Salva O, Vallortigara G. Dynamic features of animate motion activate septal and preoptic areas in visually naïve chicks ( Gallus gallus ). Neuroscience 2017; 354:54-68. [DOI: 10.1016/j.neuroscience.2017.04.022] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 03/25/2017] [Accepted: 04/17/2017] [Indexed: 02/03/2023]
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11
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Mayer U, Rosa-Salva O, Morbioli F, Vallortigara G. The motion of a living conspecific activates septal and preoptic areas in naive domestic chicks (Gallus gallus). Eur J Neurosci 2017; 45:423-432. [DOI: 10.1111/ejn.13484] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 11/15/2016] [Accepted: 11/15/2016] [Indexed: 11/29/2022]
Affiliation(s)
- Uwe Mayer
- Center for Mind/Brain Sciences (CIMeC); University of Trento; Piazza Manifattura 1 I-38068 Rovereto TN Italy
| | - Orsola Rosa-Salva
- Center for Mind/Brain Sciences (CIMeC); University of Trento; Piazza Manifattura 1 I-38068 Rovereto TN Italy
| | - Francesca Morbioli
- Center for Mind/Brain Sciences (CIMeC); University of Trento; Piazza Manifattura 1 I-38068 Rovereto TN Italy
| | - Giorgio Vallortigara
- Center for Mind/Brain Sciences (CIMeC); University of Trento; Piazza Manifattura 1 I-38068 Rovereto TN Italy
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12
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First exposure to an alive conspecific activates septal and amygdaloid nuclei in visually-naïve domestic chicks (Gallus gallus). Behav Brain Res 2017; 317:71-81. [DOI: 10.1016/j.bbr.2016.09.031] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 09/05/2016] [Accepted: 09/11/2016] [Indexed: 12/29/2022]
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13
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Fujii TG, Ikebuchi M, Okanoya K. Auditory Responses to Vocal Sounds in the Songbird Nucleus Taeniae of the Amygdala and the Adjacent Arcopallium. BRAIN, BEHAVIOR AND EVOLUTION 2016; 87:275-89. [PMID: 27529803 DOI: 10.1159/000447233] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 05/26/2016] [Indexed: 11/19/2022]
Abstract
Many species of animals communicate with others through vocalizations. Over time, these species have evolved mechanisms to respond to biologically relevant vocal sounds via adaptive behaviors. Songbirds provide a good opportunity to search for the neural basis of this adaptation, because they interact with others through a variety of vocalizations in complex social relationships. The nucleus taeniae of the amygdala (TnA) is a structure located in the ventromedial arcopallium, which is akin to the mammalian medial amygdala. Studies on the anatomy and function of this nucleus have led to the speculation that the TnA is one of the possible neural substrates that represents the relevance of acoustic stimuli related to behavior. However, neural responses in this nucleus to auditory stimuli have not been studied in depth. To give a detailed description about auditory responses of the TnA in the songbird, we conducted neural recordings from the TnA and the adjacent arcopallium in adult male and female Bengalese finches under anesthesia. The birds were exposed to auditory stimuli including natural vocalizations as well as synthesized noise. We demonstrated that a substantial population of neurons in the TnA and the adjacent arcopallium responded to vocal sounds and that some neurons were selectively activated to specific stimuli. Proportions of responsive cells and stimulus-selective cells were larger in males than in females. In addition, a larger ratio of selective cells was observed in the arcopallium compared to the TnA. These findings support the idea that neuronal activity in the TnA and the neighboring area represents behavioral relevance of sounds. Further studies in electrophysiology combined with evidence from other fields, such as region-specific gene expression patterns, are required to fully understand the functions of the TnA as well as the evolution of the amygdala in songbirds and vertebrate animals.
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Affiliation(s)
- Tomoko G Fujii
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
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14
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Vicario A, Mendoza E, Abellán A, Scharff C, Medina L. Genoarchitecture of the extended amygdala in zebra finch, and expression of FoxP2 in cell corridors of different genetic profile. Brain Struct Funct 2016; 222:481-514. [PMID: 27160258 PMCID: PMC5225162 DOI: 10.1007/s00429-016-1229-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 04/21/2016] [Indexed: 02/01/2023]
Abstract
We used a battery of genes encoding transcription factors (Pax6, Islet1, Nkx2.1, Lhx6, Lhx5, Lhx9, FoxP2) and neuropeptides to study the extended amygdala in developing zebra finches. We identified different components of the central extended amygdala comparable to those found in mice and chickens, including the intercalated amygdalar cells, the central amygdala, and the lateral bed nucleus of the stria terminalis. Many cells likely originate in the dorsal striatal domain, ventral striatal domain, or the pallidal domain, as is the case in mice and chickens. Moreover, a cell subpopulation of the central extended amygdala appears to originate in the prethalamic eminence. As a general principle, these different cells with specific genetic profiles and embryonic origin form separate or partially intermingled cell corridors along the extended amygdala, which may be involved in different functional pathways. In addition, we identified the medial amygdala of the zebra finch. Like in the chickens and mice, it is located in the subpallium and is rich in cells of pallido-preoptic origin, containing minor subpopulations of immigrant cells from the ventral pallium, alar hypothalamus and prethalamic eminence. We also proposed that the medial bed nucleus of the stria terminalis is composed of several parallel cell corridors with different genetic profile and embryonic origin: preoptic, pallidal, hypothalamic, and prethalamic. Several of these cell corridors with distinct origin express FoxP2, a transcription factor implicated in synaptic plasticity. Our results pave the way for studies using zebra finches to understand the neural basis of social behavior, in which the extended amygdala is involved.
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Affiliation(s)
- Alba Vicario
- Laboratory of Brain Development and Evolution, Department of Experimental Medicine, Faculty of Medicine, University of Lleida, Institute of Biomedical Research of Lleida (IRBLleida), Avda. Alcalde Rovira Roure 80, Catalunya, 25198, Lleida, Spain
| | | | - Antonio Abellán
- Laboratory of Brain Development and Evolution, Department of Experimental Medicine, Faculty of Medicine, University of Lleida, Institute of Biomedical Research of Lleida (IRBLleida), Avda. Alcalde Rovira Roure 80, Catalunya, 25198, Lleida, Spain
| | | | - Loreta Medina
- Laboratory of Brain Development and Evolution, Department of Experimental Medicine, Faculty of Medicine, University of Lleida, Institute of Biomedical Research of Lleida (IRBLleida), Avda. Alcalde Rovira Roure 80, Catalunya, 25198, Lleida, Spain.
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15
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Baran NM, Sklar NC, Adkins-Regan E. Developmental effects of vasotocin and nonapeptide receptors on early social attachment and affiliative behavior in the zebra finch. Horm Behav 2016; 78:20-31. [PMID: 26476409 PMCID: PMC4718777 DOI: 10.1016/j.yhbeh.2015.10.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 09/17/2015] [Accepted: 10/09/2015] [Indexed: 11/23/2022]
Abstract
Zebra finches demonstrate selective affiliation between juvenile offspring and parents, which, like affiliation between pair partners, is characterized by proximity, vocal communication and contact behaviors. This experiment tested the hypothesis that the nonapeptide arginine vasotocin (AVT, avian homologue of vasopressin) and nonapeptide receptors play a role prior to fledging in the development of affiliative behavior. Zebra finch hatchlings of both sexes received daily intracranial injections (post-hatch days 2-8) of either AVT, Manning Compound (MC, a potent V1a receptor antagonist) or saline (vehicle control). The social development of both sexes was assessed by measuring responsiveness to isolation from the family and subsequent reunion with the male parent after fledging. In addition, we assessed the changes in affiliation with the parents, unfamiliar males, and unfamiliar females each week throughout juvenile development. Compared to controls, MC subjects showed decreased attachment to the parents and MC males did not show the normal increase in affiliative interest in opposite sex individuals as they reached reproductive maturity. In contrast, AVT subjects showed a sustained affiliative interest in parents throughout development, and males showed increased interest in opposite sex conspecifics as they matured. These results provide the first evidence suggesting that AVT and nonapeptide receptors play organizational roles in social development in a bird.
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Affiliation(s)
- Nicole M Baran
- Department of Psychology, Cornell University, Ithaca, NY, USA.
| | - Nathan C Sklar
- Department of Neurobiology & Behavior, Cornell University, Ithaca, NY, USA
| | - Elizabeth Adkins-Regan
- Department of Psychology, Cornell University, Ithaca, NY, USA; Department of Neurobiology & Behavior, Cornell University, Ithaca, NY, USA
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16
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Behavioral and neural trade-offs between song complexity and stress reaction in a wild and a domesticated finch strain. Neurosci Biobehav Rev 2014; 46 Pt 4:547-56. [DOI: 10.1016/j.neubiorev.2014.07.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Revised: 06/23/2014] [Accepted: 07/10/2014] [Indexed: 11/18/2022]
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17
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Caspers BA, Hoffman JI, Kohlmeier P, Krüger O, Krause ET. Olfactory imprinting as a mechanism for nest odour recognition in zebra finches. Anim Behav 2013. [DOI: 10.1016/j.anbehav.2013.04.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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