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  Neurophysiological response selectivity for conspecific songs over synthetic sounds in the auditory forebrain of non-singing female songbirds

Hauber, M. E., Cassey, P., Woolley, S. M., & Theunissen, F. E. (2007). Neurophysiological response selectivity for conspecific songs over synthetic sounds in the auditory forebrain of non-singing female songbirds. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology, 193(7), 765-774. doi:10.1007/s00359-007-0231-0.

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 Urheber:
Hauber, M. E., Autor
Cassey, P., Autor
Woolley, S. M., Autor
Theunissen, Frederic E.1, Autor           
Affiliations:
1University Berkeley, USA, ou_persistent22              

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Schlagwörter: Acoustic Stimulation/methods Animals Auditory Cortex/*physiology Auditory Perception/*physiology Female Functional Laterality Linear Models Male Reaction Time/physiology Recognition (Psychology)/*physiology Sexual Behavior, Animal/*physiology Songbirds/*physiology *Sound
 Zusammenfassung: Female choice plays a critical role in the evolution of male acoustic displays. Yet there is limited information on the neurophysiological basis of female songbirds' auditory recognition systems. To understand the neural mechanisms of how non-singing female songbirds perceive behaviorally relevant vocalizations, we recorded responses of single neurons to acoustic stimuli in two auditory forebrain regions, the caudal lateral mesopallium (CLM) and Field L, in anesthetized adult female zebra finches (Taeniopygia guttata). Using various metrics of response selectivity, we found consistently higher response strengths for unfamiliar conspecific songs compared to tone pips and white noise in Field L but not in CLM. We also found that neurons in the left auditory forebrain had lower response strengths to synthetics sounds, leading to overall higher neural selectivity for song in neurons of the left hemisphere. This laterality effect is consistent with previously published behavioral data in zebra finches. Overall, our results from Field L are in parallel and from CLM are in contrast with the patterns of response selectivity reported for conspecific songs over synthetic sounds in male zebra finches, suggesting some degree of sexual dimorphism of auditory perception mechanisms in songbirds.

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Sprache(n): eng - English
 Datum: 2007
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: Anderer: 17503053
DOI: 10.1007/s00359-007-0231-0
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Titel: Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology
  Andere : J. Comp. Physiol. A -Neuroethol. Sens. Neural Behav. Physiol.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Heidelberg : Springer Verlag
Seiten: - Band / Heft: 193 (7) Artikelnummer: - Start- / Endseite: 765 - 774 Identifikator: ISSN: 0340-7594
CoNE: https://pure.mpg.de/cone/journals/resource/954925519626