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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Stewart, Adam Michael Lewis, Gregory F. Yee, Jason R. Kenkel, William M. Davila, Maria I. Sue Carter, C. Porges, Stephen W. |
| Description | Country affiliation: United States Author Affiliation: Stewart AM ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA.); Lewis GF ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA); Yee JR ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA); Kenkel WM ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA); Davila MI ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA); Sue Carter C ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA); Porges SW ( Brain-Body Center, Department of Psychiatry, University of Illinois at Chicago, 1601 W. Taylor Ave., Chicago, IL 60612, USA) |
| Abstract | Vocalizations serve as a conspecific social communication system among mammals. Modulation of acoustic features embedded within vocalizations is used by several mammalian species to signal whether it is safe or dangerous to approach conspecific and heterospecific mammals. As described by the Polyvagal Theory, the phylogenetic shift in the evolution of mammals involved an adaptive neuroanatomical link between the neural circuits regulating heart rate and the muscles involved in modulating the acoustic features of vocalizations. However, few studies have investigated the covariation between heart rate and the acoustic features of vocalizations. In the current study, we document that specific features of vocalizations covary with heart rate in a highly social and vocal mammal, the prairie vole (Microtus ochrogaster). Findings with the prairie vole illustrate that higher pitch (i.e., fundamental frequency) and less variability in acoustic features of vocalizations (i.e., less vocal prosody) are associated with elevated heart rate. The study provides the first documentation that the acoustic features of prairie vole vocalizations may function as a surrogate index of heart rate. |
| File Format | HTM / HTML |
| ISSN | 00319384 |
| e-ISSN | 1873507X |
| DOI | 10.1016/j.physbeh.2014.10.011 |
| Journal | Physiology & Behavior |
| Volume Number | 138 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Research Support, N.i.h., Extramural Heart Rate Arvicolinae Vocalization, Animal Telemetry Ultrasonics Discipline Physiology Animals Wireless Technology Electrocardiography Physiology Pattern Recognition, Automated Discipline Behavioral Neuroscience |
| Content Type | Text |
| Resource Type | Article |
| Subject | Experimental and Cognitive Psychology Behavioral Neuroscience |
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