English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Morphing macaque vocalizations for behavioral and neurophysiological study

Chakladar, S., Logothetis, N., & Petkov, C. (2007). Morphing macaque vocalizations for behavioral and neurophysiological study. Poster presented at Magnetresonanzzentrum Symposium 2007, Tübingen, Germany.

Item is

Files

show Files

Locators

show

Creators

show
hide
 Creators:
Chakladar, S1, 2, Author              
Logothetis, NK1, 2, Author              
Petkov, C1, 2, Author              
Affiliations:
1Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

Content

show
hide
Free keywords: -
 Abstract: Morphing gradually from one stimulus to another is useful for studying whether subjects perceive stimulus transitions gradually or categorically. Signal processing algorithms are now available for morphing human speech sounds, which had been more difficult to achieve than for visual objects. These techniques would be useful to implement for preparing ethologically relevant stimuli for behavioral and neurophysiological study with animal models, like the macaque (Macaca) species of monkeys. However, morphing complex sounds requires developing methods for selecting landmarks to guide the morphing process, which is difficult for classes of vocalizations that differ on many acoustical parameters. We describe a procedure for using the freely available STRAIGHT signal processing package to morph between: 1) harmonic lsquo;coolsquo; vocalizations from two macaques, 2) different types of vocalizations from the same individual, a lsquo;cool squo; and a //!- -MFG_und--//lsquo;gruntlsquo;, and 3) monkey and human vocalizations. We evaluated the quality of the morphs and obtained classification curves from human listeners who seemed to categorize the monkey vocalizations like those produced by humans. The procedure prepares macaque vocalizations for neuroethological study and the methods should also be useful for successful morphing between different classes of animal and human vocalizations.

Details

show
hide
Language(s):
 Dates: 2007-07
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 4612
 Degree: -

Event

show
hide
Title: Magnetresonanzzentrum Symposium 2007
Place of Event: Tübingen, Germany
Start-/End Date: -

Legal Case

show

Project information

show

Source

show