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Margot Bernardi PhD thesis

 

Primates hearing: between morphology, function, ecology and behavior

Started in october 2015

Funding: doctoral grant ‘Paris sciences et lettres’

Supervisors: Sophie Montuire & Sébastien Couette

 

Abstract

The order Primates is composed of species whose life history traits, behaviours, and morphologies are very diversified. Among morphological structures studied, the description of ear characters has often been used in phylogenetic perspective. The rise of new acquisition techniques, such as micro-tomography (µCT), has made possible to access to the internal structures of inner and middle ear, which have been inaccessible until now. These techniques also allow a better understanding of the functional role of these morphological structures. This thesis focused on the auditory function of ear structures and their quantification, at a macro-evolutionary scale, and allowed us to highlight and better understand the relationships between morphology, ecology, behaviour, and habitat. Through the study of extant species, we use ear morphology as a proxy to propose palaeoreconstructions for fossil species, for which only the morphology is available.

 

Keywords

primate, ear, morphology, hearing, vocalizations, paleoecology

 

Jury

Emmanuelle Pouydebat, MNHN, Paris – referee
Christoph Zollikofer, Université de Zürich – referee
Emmanuel Fara, Laboratoire Biogéosciences, Dijon – examiner
Patricia Balaresque, Laboratoire AMIS, Toulouse – examiner
Marc Godinot, EPHE PSL, Paris – examiner
Sébastien Couette, EPHE PSL, Laboratoire Biogéosciences, Dijon – co-supervisor
Sophie Montuire, EPHE PSL, Laboratoire Biogéosciences, Dijon – supervisor

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Primates hearing: between morphology, function, ecology and behavior

Started in october 2015

Funding: doctoral grant 'Paris sciences et lettres'

Supervisors: Sophie Montuire & Sébastien Couette

 

Abstract

The order Primates is composed of species whose life history traits, behaviours, and morphologies are very diversified. Among morphological structures studied, the description of ear characters has often been used in phylogenetic perspective. The rise of new acquisition techniques, such as micro-tomography (µCT), has made possible to access to the internal structures of inner and middle ear, which have been inaccessible until now. These techniques also allow a better understanding of the functional role of these morphological structures. This thesis focused on the auditory function of ear structures and their quantification, at a macro-evolutionary scale, and allowed us to highlight and better understand the relationships between morphology, ecology, behaviour, and habitat. Through the study of extant species, we use ear morphology as a proxy to propose palaeoreconstructions for fossil species, for which only the morphology is available.

Keywords

primate, ear, morphology, hearing, vocalizations, paleoecology

 

Jury

Emmanuelle Pouydebat, MNHN, Paris – referee
Christoph Zollikofer, Université de Zürich – referee
Emmanuel Fara, Laboratoire Biogéosciences, Dijon – examiner
Patricia Balaresque, Laboratoire AMIS, Toulouse – examiner
Marc Godinot, EPHE PSL, Paris – examiner
Sébastien Couette, EPHE PSL, Laboratoire Biogéosciences, Dijon – co-supervisor
Sophie Montuire, EPHE PSL, Laboratoire Biogéosciences, Dijon – supervisor

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