Nonlinear acoustics in pant hoots of common chimpanzees (Pan troglodytes): Frequency jumps, subharmonics, biphonation, and deterministic chaos

2004 ◽  
Vol 64 (3) ◽  
pp. 277-291 ◽  
Author(s):  
Tobias Riede ◽  
Michael J. Owren ◽  
Adam Clark Arcadi
Keyword(s):  
Pan Troglodytes ◽  
Deterministic Chaos ◽  
Nonlinear Acoustics

Nonlinear acoustics in the pant‐hoot vocalization of common chimpanzees (Pan troglodytes)

2003 ◽  
Vol 113 (4) ◽  
pp. 2305-2305 ◽  
Author(s):  
Tobias Riede ◽  
Adam Clark Arcadi ◽  
Michael J. Owren
Keyword(s):  
Pan Troglodytes ◽  
Nonlinear Acoustics ◽  
Pant Hoot

Nonlinear acoustics in the pant hoots of common chimpanzees (Pan troglodytes): Vocalizing at the edge

2007 ◽  
Vol 121 (3) ◽  
pp. 1758-1767 ◽  
Author(s):  
Tobias Riede ◽  
Adam Clark Arcadi ◽  
Michael J. Owren
Keyword(s):  
Pan Troglodytes ◽  
Nonlinear Acoustics

Complexity Measures of Brain Electrophysiological Activity

2010 ◽  
Vol 24 (2) ◽  
pp. 131-135 ◽  
Author(s):  
Włodzimierz Klonowski ◽  
Pawel Stepien ◽  
Robert Stepien
Keyword(s):  
Brain Activity ◽  
Deterministic Chaos ◽  
Epileptic Seizures ◽  
Eeg Signal ◽  
Eeg Signals ◽  
Complexity Measures ◽  
Electrophysiological Activity ◽  
Signal Complexity ◽  
Physiological Sleep ◽  
The Brain

Over 20 years ago, Watt and Hameroff (1987 ) suggested that consciousness may be described as a manifestation of deterministic chaos in the brain/mind. To analyze EEG-signal complexity, we used Higuchi’s fractal dimension in time domain and symbolic analysis methods. Our results of analysis of EEG-signals under anesthesia, during physiological sleep, and during epileptic seizures lead to a conclusion similar to that of Watt and Hameroff: Brain activity, measured by complexity of the EEG-signal, diminishes (becomes less chaotic) when consciousness is being “switched off”. So, consciousness may be described as a manifestation of deterministic chaos in the brain/mind.

Absence of knowledge attribution and self-recognition in young chimpanzees (Pan troglodytes).

1994 ◽  
Vol 108 (1) ◽  
pp. 74-80 ◽  
Author(s):  
Daniel J. Povinelli ◽  
Alyssa B. Rulf ◽  
Donna T. Bierschwale
Keyword(s):  
Pan Troglodytes ◽  
Knowledge Attribution ◽  
Self Recognition
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