Déclenchement de phonoréponses chez Chorthippus brunneus (Thbg.) acridinae
In the Acridid Chorthippus brunneus (Thbg.), the authors studied the phonoresponses to artificial acoustic stimuli produced by a generator giving a variable attack. The number of responses by the insect is in direct relation to the form of the signal front; the releasing element being the quotient Δi/Δt or the angle of steepness φ. The shorter the time in which a given sound intensity is reached, or the closer the value of φ approaches 90º, the more effective is the artificial stimulus. The release has therefore a typical transitory character. These reactions are similar to those which are released in a nerve-muscle preparation by mechanical, electrical and chemical stimuli. The phonoresponses obey the general laws of physiological excitation, although they refer in this case to the psychophysiological behaviour of the insect “in toto”.
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Document Type: Research Article
Publication date: January 1, 1961
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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