BURSTING OSCILLATIONS FROM A HOMOCLINIC TANGENCY IN A TIME-DELAY SYSTEM

被引:28
作者
DESTEXHE, A [1 ]
GASPARD, P [1 ]
机构
[1] UNIV LIBRE BRUXELLES,B-1050 BRUSSELS,BELGIUM
关键词
D O I
10.1016/0375-9601(93)90256-Y
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We describe a type of bursting oscillations arising in a model of reciprocally connected neurons, where a time delay has been introduced to account for synaptic and propagation delays. We show that in this system bursting oscillations appear at an infinite period bifurcation characterized by a homoclinic tangency to a limit cycle. Such homoclinic bursting phenomena are characterized by a logarithmic lengthening of the period, which could be measured from experimental time series.
引用
收藏
页码:386 / 391
页数:6
相关论文
共 22 条
[1]   SPONTANEOUS ACTIVITY IN ISOLATED SOMATA OF APLYSIA PACEMAKER NEURONS [J].
ALVING, BO .
JOURNAL OF GENERAL PHYSIOLOGY, 1968, 51 (01) :29-+
[2]  
[Anonymous], 1986, NUMERICAL RECIPES
[3]  
Atwater I, 1980, Horm Metab Res Suppl, VSuppl 10, P100
[4]   FROM SIMPLE TO COMPLEX OSCILLATORY BEHAVIOR - ANALYSIS OF BURSTING IN A MULTIPLY REGULATED BIOCHEMICAL SYSTEM [J].
DECROLY, O ;
GOLDBETER, A .
JOURNAL OF THEORETICAL BIOLOGY, 1987, 124 (02) :219-250
[5]   Pacemaker-Induced Coherence in Cortical Networks [J].
Destexhe, A. ;
Babloyantz, A. .
NEURAL COMPUTATION, 1991, 3 (02) :145-154
[6]  
DESTEXHE A, UNPUB
[7]  
Destexhe A., 1992, THESIS U LIBRE BRUXE
[8]   MEASUREMENT OF THE INSTABILITY RATE OF A FAR-FROM-EQUILIBRIUM STEADY-STATE AT AN INFINITE PERIOD BIFURCATION [J].
GASPARD, P .
JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (01) :1-3
[9]   HOMOCLINIC ORBITS AND MIXED-MODE OSCILLATIONS IN FAR-FROM-EQUILIBRIUM SYSTEMS [J].
GASPARD, P ;
WANG, XJ .
JOURNAL OF STATISTICAL PHYSICS, 1987, 48 (1-2) :151-199
[10]  
GASPARD P, 1987, THESIS U LIBRE BRUXE