Stochastic sensitivity of a bistable energy model for visual perception / Pisarchik A. N.,Bashkirtseva I.,Ryashko L. // INDIAN JOURNAL OF PHYSICS. - 2017. - V. 91, l. 1. - P. 57-62.

ISSN/EISSN:

0973-1458 / 0974-9845

Type:

Article

Abstract:

Modern trends in physiology, psychology and cognitive neuroscience suggest that noise is an essential component of brain functionality and self-organization. With adequate noise the brain as a complex dynamical system can easily access different ordered states and improve signal detection for decision-making by preventing deadlocks. Using a stochastic sensitivity function approach, we analyze how sensitive equilibrium points are to Gaussian noise in a bistable energy model often used for qualitative description of visual perception. The probability distribution of noise-induced transitions between two coexisting percepts is calculated at different noise intensity and system stability. Stochastic squeezing of the hysteresis range and its transition from positive (bistable regime) to negative (intermittency regime) are demonstrated as the noise intensity increases. The hysteresis is more sensitive to noise in the system with higher stability.

Author keywords:

Visual perception; Bistable model; Noise; Hysteresis NOISE

DOI:

10.1007/s12648-016-0881-2

Web of Science ID:

ISI:000397057700008

Соавторы в МНС:

Другие поля

Поле	Значение
Month	JAN
Publisher	INDIAN ASSOC CULTIVATION SCIENCE
Address	INDIAN J PHYSICS, JADAVPUR, KOLKATA 700 032, INDIA
Language	English
EISSN	0974-9845
Keywords-Plus	NOISE
Research-Areas	Physics
Web-of-Science-Categories	Physics, Multidisciplinary
Author-Email	alexander.pisarchik@ctb.upm.es
ORCID-Numbers	Pisarchik, Alexander/0000-0003-2471-2507
Funding-Acknowledgement	Russian Science Foundation {[}16-11-10098]
Funding-Text	L. R. and I. B. acknowledge support from the Russian Science Foundation (No. 16-11-10098).
Number-of-Cited-References	21
Journal-ISO	Indian J. Phys.
Doc-Delivery-Number	EP0DT