Jove
Visualize
Contact Us

Related Experiment Videos

Auditory stream segregation in an insect.

J Schul1, R A Sheridan

  • 1Biological Sciences, University of Missouri, Columbia, MO 65211, USA. schulj@missouri.edu

Neuroscience
|December 28, 2005
PubMed
Summary

Auditory stream segregation, the brain's ability to separate sounds, was observed in an invertebrate, Neoconocephalus retusus. This finding suggests this fundamental auditory perception mechanism is widespread across species.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Leader preference in Neoconocephalus ensiger katydids: a female preference for a nonheritable male trait.

Journal of evolutionary biology·2017
Same author

Evolutionary diversification of the auditory organ sensilla in Neoconocephalus katydids (Orthoptera: Tettigoniidae) correlates with acoustic signal diversification over phylogenetic relatedness and life history.

Journal of evolutionary biology·2017
Same author

Specific differences in sound production and pattern recognition in tettigoniids.

Behavioural processes·2014
Same author

Sensory-encoding differences contribute to species-specific call recognition mechanisms.

Journal of neurophysiology·2009
Same author

Listening for bats: the hearing range of the bushcricket Phaneroptera falcata for bat echolocation calls measured in the field.

Proceedings. Biological sciences·2002
Same author

Phonotaxis during walking and flight: are differences in selectivity due to predation pressure?

Die Naturwissenschaften·2001
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Area of Science:

  • Neuroscience
  • Bioacoustics
  • Animal Behavior

Background:

  • Auditory stream segregation is the brain's process of separating complex sounds into distinct sources.
  • This phenomenon has been documented in various vertebrates, aiding auditory scene analysis.
  • Its presence in invertebrates has not been previously explored.

Purpose of the Study:

  • To investigate auditory stream segregation in the invertebrate Neoconocephalus retusus.
  • To determine if invertebrates utilize similar mechanisms to vertebrates for sound source separation.

Main Methods:

  • Electrophysiological recordings from an auditory interneuron in Neoconocephalus retusus.
  • Analysis of the interneuron's response to simulated bat echolocation calls and male advertisement songs.

Main Results:

  • An auditory interneuron in Neoconocephalus retusus demonstrated segregation of bat echolocation calls from background songs.
  • The segregation process relied on temporal and spectral differences between the two sound stimuli.
  • This mechanism mirrors those observed in vertebrate auditory stream segregation.

Conclusions:

  • Auditory stream segregation is present in invertebrates, specifically Neoconocephalus retusus.
  • The underlying mechanisms are conserved across vertebrates and invertebrates.
  • This suggests auditory stream segregation is a fundamental and evolutionarily ancient feature of auditory perception.

Related Experiment Videos