Effects of tonotopicity, adaptation, modulation tuning, and temporal coherence in “primitive” auditory stream segregation

2014 ◽  
Vol 135 (1) ◽  
pp. 323-333 ◽  
Author(s):  
Simon Krogholt Christiansen ◽  
Morten Løve Jepsen ◽  
Torsten Dau
Keyword(s):  
Temporal Coherence ◽  
Stream Segregation ◽  
Auditory Stream ◽  
Auditory Stream Segregation

Apparent Motion in Music?

1994 ◽  
Vol 11 (4) ◽  
pp. 335-370 ◽  
Author(s):  
Robert O. Gjerdingen
Keyword(s):  
Apparent Motion ◽  
Temporal Coherence ◽  
Stream Segregation ◽  
Auditory Stream ◽  
Auditory Stream Segregation ◽  
One Dimensional ◽  
Continuous Movement ◽  
Recent Advances ◽  
Starting Point

A great deal of the motion perceived in music is apparent rather than real. On the piano, for example, no continuous movement in frequency occurs between two sequentially sounded tones. Though a listener may perceive a movement from the first tone to the second, each tone merely begins and ends at its stationary position on the frequency continuum. Recent advances in the modeling of apparent- motion effects in vision provide a starting point for the modeling of the strong apparent- motion effects in music. An adaptation of the Grossberg- Rudd model of apparent motion in vision, when given input representing the strengths of pitch sensations positioned along a one- dimensional frequency continuum, can simulate important musical phenomena of auditory stream segregation, van Noorden's melodic- fission/ temporal- coherence boundaries, various Gestalt effects, aspects of dynamic attending, and Narmour's predicted categorical distinction between musical intervals implying a continuation and those implying a reversal of direction.

Primary Auditory Stream Segregation of Repeated Word Sequences

1976 ◽  
Vol 42 (3_suppl) ◽  
pp. 1071-1074 ◽  
Author(s):  
Betty Tuller ◽  
James R. Lackner
Keyword(s):  
Spatial Separation ◽  
Repeated Sequences ◽  
Stream Segregation ◽  
Natural Speech ◽  
Auditory Stream ◽  
Auditory Stream Segregation ◽  
Repeated Word ◽  
Auditory Sequence ◽  
Constituent Order

Primary auditory stream segregation, the perceptual segregation of acoustically related elements within a continuous auditory sequence into distinct spatial streams, prevents subjects from resolving the relative constituent order of repeated sequences of tones (Bregman & Campbell, 1971) or repeated sequences of consonant and vowel sounds (Lackner & Goldstein, 1974). To determine why primary auditory stream segregation does not interfere with the resolution of natural speech, 8 subjects were required to indicate the degree of stream segregation undergone by 24 repeated sequences of English monosyllables which varied in terms of the degrees of syntactic and intonational structure present. All sequences underwent primary auditory stream segregation to some extent but the amount of apparent spatial separation was less when syntactic and intonational structure was present.

scholarly journals Evaluation of auditory stream segregation in individuals with cochlear pathology and auditory neuropathy spectrum disorder

2021 ◽  
Author(s):  
Neha Banerjee ◽  
Prashanth Prabhu
Keyword(s):  
Profile Analysis ◽  
Auditory Scene Analysis ◽  
Auditory Neuropathy ◽  
Stream Segregation ◽  
Control Group ◽  
Spectral Profile ◽  
Auditory Stream ◽  
Auditory Stream Segregation ◽  
Cochlear Pathology ◽  
Auditory Scene

Background and Aim: The central auditory nervous system has the ability to perceptually group similar sounds and segregates different sounds called auditory stream segregation or auditory streaming or auditory scene analysis. Identification of a change in spectral profile when the amplitude of a component of complex tone is changed is referred to as Spectral profile analysis. It serves as an important cue in auditory stream segregation as the spectra of the sound source vary. The aim of the study was to assess auditory stream segregation in individuals with cochlear pathology (CP) and auditory neuropathy spectrum disorder. Methods: In the present study, three groups of participants were included. Experimental groups included 21 ears in each group with cochlear hearing loss or auditory neuropathy spectrum disorders (ANSD) and control group with 21 ears with normal hearing. Profile analysis was asse­ssed using "mlp" toolbox, which implements a maximum likelihood procedure in MATLAB. It was assessed at four frequencies (250 Hz, 500 Hz, 750 Hz, and 1000 Hz) for all three groups. Results: The results of the study indicate that the profile analysis threshold (at all four frequ­encies) was significantly poorer for individuals with CP or ANSD compared to the control group. Although, cochlear pathology group performed better than ANSD group. Conclusion: This could be because of poor spec­tral and temporal processing due to loss of outer hair cells at the level of the basilar membrane in cochlear pathology patients and due to the demyelination of auditory neurons in individuals with ANSD. Keywords: Auditory stream segregation; auditory scene analysis; spectral profiling; spectral profile analysis; cochlear pathology; auditory neuropathy spectrum disorders

Sign in / Sign up

Export Citation Format

Share Document