TY - JOUR
T1 - The Direction of response selectivity between conspecific and heterospecific auditory stimuli varies with response metric
AU - Stenstrom, K.
AU - Voss, H. U.
AU - Tokarev, K.
AU - Phan, M. L.
AU - Hauber, M. E.
N1 - Funding Information:
This paper is dedicated to the strength and spirit of the late K. Tokarev who passed away tragically after collecting the fMRI data in this study. For assistance with stimulus preparation, subject sourcing, and data collection, we are grateful to M. Louder, O. Tchernichovski, and T. Manna. For funding, we thank the U.S. National Science Foundation (Grant Number 1456524 to MEH), and the Harley Jones Van Cleave Professorship (to MEH). Additional support was provided by the Hanse Wissenschaftskolleg, Germany (to MEH).
Publisher Copyright:
© 2021
PY - 2022/1/7
Y1 - 2022/1/7
N2 - Species recognition is an essential behavioral outcome of social discrimination, flocking, mobbing, mating, and/or parental care. In songbirds, auditory species recognition cues are processed through specialized forebrain circuits dedicated to acoustic discrimination. Here we addressed the direction of behavioral and neural metrics of zebra finches’ (Taeniopygia guttata) responses to acoustic cues of unfamiliar conspecifics vs. heterospecifics. Behaviorally, vocal response rates were greater for conspecific male zebra finch songs over heterospecific Pin-tailed Whydah (Vidua macroura) songs, which paralleled greater multiunit spike rates in the auditory forebrain in response to the same type of conspecific over heterospecific auditory stimuli. In contrast, forebrain activation levels were reversed to species-specific song playbacks during two functional magnetic resonance imaging experiments: we detected consistently greater responses to whydah songs over finch songs and did so independently of whether subjects had been co-housed or not with heterospecifics. These results imply that the directionality of behavioral and neural response selectivity metrics are not always consistent and appear to be experience-independent in this set of stimulus-and-subject experimental paradigms.
AB - Species recognition is an essential behavioral outcome of social discrimination, flocking, mobbing, mating, and/or parental care. In songbirds, auditory species recognition cues are processed through specialized forebrain circuits dedicated to acoustic discrimination. Here we addressed the direction of behavioral and neural metrics of zebra finches’ (Taeniopygia guttata) responses to acoustic cues of unfamiliar conspecifics vs. heterospecifics. Behaviorally, vocal response rates were greater for conspecific male zebra finch songs over heterospecific Pin-tailed Whydah (Vidua macroura) songs, which paralleled greater multiunit spike rates in the auditory forebrain in response to the same type of conspecific over heterospecific auditory stimuli. In contrast, forebrain activation levels were reversed to species-specific song playbacks during two functional magnetic resonance imaging experiments: we detected consistently greater responses to whydah songs over finch songs and did so independently of whether subjects had been co-housed or not with heterospecifics. These results imply that the directionality of behavioral and neural response selectivity metrics are not always consistent and appear to be experience-independent in this set of stimulus-and-subject experimental paradigms.
KW - Auditory forebrain
KW - Behavioral recognition
KW - Electrophysiology
KW - fMRI
KW - Species discrimination
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U2 - 10.1016/j.bbr.2021.113534
DO - 10.1016/j.bbr.2021.113534
M3 - Article
C2 - 34416300
AN - SCOPUS:85113274618
SN - 0166-4328
VL - 416
JO - Behavioural Brain Research
JF - Behavioural Brain Research
M1 - 113534
ER -