Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"vocal learning"”.
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Socially Motivated Vocal Learning
… of social conspecifics. This thesis studies vocal learning in two social species, humans (Homo sapiens sapiens) and an oscine songbird, the zebra finch (Taeniopygia guttata). Using both behavioral and neuroanatomical data, Chapter 2 of this thesis argues that both the evolution and the …
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The evolutionary roots of vocal learning: Exploring vocal learning abilities in vocal non-learners in birds
Vocal learning is a complex behaviour that enables animals to imitate and learn sounds from their environment. Many aspects of this behaviour remain poorly understood, particularly how prevalent it is, how it evolved and whether it is a binary behaviour (present or absent) or expresses along a …
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Techniques for studying vocal learning in bottlenose dolphins, Tursiops truncatus
… the methods necessary for evaluating the role of learning in the natural whistle development of bottlenose dolphins. Bottlenose dolphins provide a unique opportunity to study social influences on vocal learning in a highly social non-human mammal. Vocal learning is critical for the development of …
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Techniques for studying vocal learning in bottlenose dolphins, Tursiops truncatus
Thesis (Ph. D.)--Joint Program in Biological Oceanography (Massachusetts Institute of Technology, Dept. of Biology; and the Woods Hole Oceanographic Institution), 1999.
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Investigation into the Neurogenetics of Vocal Learning in Tursiops Truncatus, the Bottlenose Dolphin
<p>Vocal learning, a necessary substrate for speech, is a rare trait found in only five mammalian and three avian lineages. Each of these vocal learning groups is distantly related to one another, and each has a close non-learning relative, indicating that the trait evolved independently in each …
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The role of basal ganglia-forebrain circuitry in the vocal learning of songbirds
… ganglia-forebrain circuits are necessary for the learning and production of complex motor behaviors; however, the precise role of this circuitry remains unknown. This thesis is an investigation into how the anterior forebrain pathway (AFP), an avian basal ganglia-forebrain circuit, supports vocal …
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The Role of DNA Methylation in Defining the Vocal Learning Transcriptome of the Zebra Finch
<p>Vocal learning is a rare, complex behavior which is a critical component of human spoken language acquisition. It is convergent across several independent lineages of birds and mammals, including songbirds and humans. The development of speech and song production in humans and songbirds is …
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Transcriptomic Signatures of Projection Class Neurons for Vocal Control
<p>Vocal learning is the ability to modify acoustic structure and syntax of vocalizations. This rare trait is thought to have independently evolved three times in birds and five times in mammals. Vocal learning species exhibit an underlying convergence in brain circuitry, including a direct, …
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Neuronal FMRP: facilitating learning in a critical brain network for zebra finch song acquisition and regulating synaptic miRNAs spatio-temporally
… connective tissue abnormalities, and impaired vocalization (speech and language). FMRP is an RNA-binding protein, and animal models of FXS present with abnormalities in protein translation. This work will address the roles of FMRP in the development of a neural circuit for vocalization, and in …
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Influence of Mouse Motor Cortex on Vocal Musculature
<p>Learned vocal communication and spoken language are complex behaviors we have long sought to understand. Studying the neurobiology of speech and language will be advanced by investigating its component traits in model organisms. Most vertebrates share common brainstem circuits for vocalization, …
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New Insights into the Evolution of Learned Vocalization from the Australian Zebra Finch, Taeniopygia castanotis
… in evolution that produced a clade of song learning birds from non-song learning ancestors.This information is important for shedding light on the evolution of spoken language in our own human lineage, where evolutionary analyses are technically limited. The most recent common ancestor of …
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A comparative analysis of auditory perception in songbirds: Eurasian jays (Garrulus glandarius) and great tits (Parus major)
… to react to or interact with the stimulus. Vocal communication between and within species allows appropriate responses to predators, enemies, kin and partners. Songbirds have often been studied due their impressive but varied vocal learning abilities. The main objective of this thesis is to …
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Dissecting the Genetic Basis of Convergent Complex Traits Based on Molecular Homoplasy
… the genetics of a complex behavioral trait, vocal learning, which serves as a critical substrate for human spoken language. With the available genomes of 23 mammals, I developed a novel approach based on molecular homoplasy to reveal Single Non-random Amino Acids Patterns (SNAAPs) that are …
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Immanuel Kant's Sparrow
… are particularly important for the degree of vocal learning that can be displayed by a species. These included (1) a genetic predisposition, (2) body condition of the parents, (3) food availability during early ontogeny, (4) social factors, (5) neuronal mechanisms, (6) hormonal states, and (7) …
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Bioacoustic Studies of Population Size and Microdialects in an Island-Living Savannah Sparrow Population
… territory the following year. I suggest that vocal learning, combined with small dispersal distances and the process of overproduction and attrition, gives rise to microdialects. My results provide support for the accuracy of autonomous recorders in studying the ecology of wild bird …
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Cell Type-Specific Roles of FoxP Transcription Factors in Vocalization and Cognition
… important functions in neural circuits mediating vocalization and sensorimotor learning. Their known gene targets regulate neuronal development, activity, and plasticity, and animal models of FoxP2 and FoxP1 function have linked some of these molecular functions with neurophysiological and …
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The Attitudinal And Cognitive Effects Of Interdisciplinary Collaboration On Elementary Pre-Service Teachers Development Of Biological Science Related Lesson Plans
… and the College of Liberal Arts through a Learning-by-Teaching method (LdL): Lernen durch Lernen in German. Pre-service teacher (PST) achievement levels of understanding science concepts based on pretest and posttest data, quality of lesson plans developed, and enjoyment of the class based …
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Cloning and Characterization of the Vasopressin-Oxytocin Neuropeptide Signaling System in the Vocal Control System of the Zebra Finch (Taeniopygia guttata)
… acquisition and maintenance can be well study in vocal learning birds. Here, in addition to reviewing the pertinent literature, I clone VTR1A, VTR1B, VTR2A, and OTR, as well as VP-neurophysin, OT-neurophysin, and CAMP Responsive Element Binding Protein 3 Like 1 (CREB3L1), a transcription factor …
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Neural mechanisms underlying the emergence of rhythmic and stereotyped vocalizations in juvenile songbirds
… that generate these motor behaviors during learning? To understand the neural mechanisms underlying learned motor skills, I use vocal learning in songbirds as a model. While previous studies have shown that a premotor area in the songbird brain, HVC, is important for stereotyped adult song, …
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Small molecule profiling and imaging of the zebra finch song system
… of songbirds to communicate though learned vocalization and the discovery of discreet interconnected “song nuclei” involved in vocal learning has made them a valuable model to study the neuronal mechanisms behind learning and memory. This dissertation focuses on studying small molecules …
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