Skip Navigation


CIT can broadcast your seminar, conference or meeting live to a world-wide audience over the Internet as a real-time streaming video. The event can be recorded and made available for viewers to watch at their convenience as an on-demand video or a downloadable podcast. CIT can also broadcast NIH-only or HHS-only content.

Of Mice, Birds and Men: The Mouse Ultrasonic Song System has Features Once Throught Unique to Humans and Song Learning Birds

Loading video...

179 Views  
   
Air date: Wednesday, May 16, 2012, 3:00:00 PM
Time displayed is Eastern Time, Washington DC Local
Views: Total views: 179, (68 Live, 111 On-demand)
Category: WALS - Wednesday Afternoon Lectures
Runtime: 01:08:18
Description: Humans and song-learning birds communicate acoustically using learned vocalizations. The characteristic features of this social communication behavior include vocal control by forebrain motor areas, a direct cortical projection to brainstem vocal motor neurons, and dependence on auditory feedback to develop and maintain learned vocalizations. These features have not been found in closely related primate and avian species that do not learn vocalizations. Male mice produce courtship ultrasonic vocalizations (USVs) with acoustic features similar to songs of song-learning birds. However, it is assumed that mice lack a forebrain system for vocal modification and that their USVs are innate. Dr. Jarvis will present his lab’s discovery of the mouse song system and show that it includes a localized motor cortex region, which—during singing—projects directly to brainstem vocal motor neurons and keeps songs more stereotyped and on pitch. His lab also discovered that male mice depend on auditory feedback to develop and maintain normal ultrasonic song. When cross-housed under competitive social conditions, substrains of mice that have differences in their songs can imitate each others’ pitch. Dr. Jarvis concludes that male mice have at least some neuroanatomical and behavioral features thought to be unique to humans and song-learning birds, suggesting that mice have limited vocal modification abilities or that a reevaluation of species differences is in order. His lab hypothesizes that the trait of vocal learning is not dichotomous, as long assumed, but a continuum with mice being intermediate between other well-studied species.

The NIH Wednesday Afternoon Lecture Series includes weekly scientific talks by some of the top researchers in the biomedical sciences worldwide.

For more information, visit:
The NIH Director's Wednesday Afternoon Lecture Series
Debug: Show Debug
NLM Title: Of mice, birds, and men : the mouse ultrasonic song system has features once thought unique to humans and song learning birds [electronic resource] / Erich D. Jarvis.
Series: Wednesday afternoon lecture series
Author: Jarvis, Erich.
National Institutes of Health (U.S.)
Publisher:
Other Title(s): Wednesday afternoon lecture series
Abstract: (CIT): Humans and song-learning birds communicate acoustically using learned vocalizations. The characteristic features of this social communication behavior include vocal control by forebrain motor areas, a direct cortical projection to brainstem vocal motor neurons, and dependence on auditory feedback to develop and maintain learned vocalizations. These features have not been found in closely related primate and avian species that do not learn vocalizations. Male mice produce courtship ultrasonic vocalizations (USVs) with acoustic features similar to songs of song-learning birds. However, it is assumed that mice lack a forebrain system for vocal modification and that their USVs are innate. Dr. Jarvis will present his lab"s discovery of the mouse song system and show that it includes a localized motor cortex region, which--during singing--projects directly to brainstem vocal motor neurons and keeps songs more stereotyped and on pitch. His lab also discovered that male mice depend on auditory feedback to develop and maintain normal ultrasonic song. When cross-housed under competitive social conditions, substrains of mice that have differences in their songs can imitate each others" pitch. Dr. Jarvis concludes that male mice have at least some neuroanatomical and behavioral features thought to be unique to humans and song-learning birds, suggesting that mice have limited vocal modification abilities or that a reevaluation of species differences is in order. His lab hypothesizes that the trait of vocal learning is not dichotomous, as long assumed, but a continuum with mice being intermediate between other well-studied species.
Subjects: Brain Mapping--veterinary
Learning--physiology
Mice
Ultrasonics
Vocalization, Animal--physiology
Publication Types: Lectures
Webcasts
Download: To download this event, select one of the available bitrates:
[256k]  [512k]    How to download a Videocast
Caption Text: Download Caption File
NLM Classification: QL 765
NLM ID: 101587394
CIT Live ID: 10524
Permanent link: http://videocast.nih.gov/launch.asp?17263

 

Podcast information
Audio Podcasts   Video Podcasts
  Description Runtime     Description Runtime
Listen to the podcast Audio Podcast   Watch the podcast Video Podcast (CC) 01:08:22