Document Zbl 1435.34052

Hurtado-López, Julián; Ramirez-Moreno, David Fernando

Dynamics of a neural circuit that mediates social and nonsocial behaviors. (English) Zbl 1435.34052

Int. J. Bifurcation Chaos Appl. Sci. Eng. 29, No. 10, Article ID 1950138, 21 p. (2019).

Summary: We describe a neural network model of the mouse amygdala and hypothalamus that is able to support competitive interactions between social and grooming behaviors, as well as basic findings about how these behaviors are modulated by light stimulation. The model is built on attractor network dynamics and involves mutual inhibition among different populations of neurons. Simulation results are found to be consistent with some experimental observations such as scalable control of social behaviors and opponent control of social and nonsocial behaviors. Bifurcation analysis is applied in order to understand the dynamical basis of state transitions and to show the dynamics emergent from the model. We conclude that this study also provides some mechanistic insights of behavioral state transitions.

MSC:

34C60	Qualitative investigation and simulation of ordinary differential equation models
91D10	Models of societies, social and urban evolution
92B20	Neural networks for/in biological studies, artificial life and related topics
92C60	Medical epidemiology
34A36	Discontinuous ordinary differential equations
34C05	Topological structure of integral curves, singular points, limit cycles of ordinary differential equations
34C23	Bifurcation theory for ordinary differential equations

Keywords:

bifurcation analysis; boundary equilibrium bifurcation; decision-making mechanisms; mounting and attack circuits; grooming circuits

Software:

MATCONT

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Full Text: DOI

References:

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