SIGNAL PROPAGATION FROM PIRIFORM CORTEX TO THE ENDOPIRIFORM NUCLEUS IN-VITRO REVEALED BY OPTICAL IMAGING

被引:18
作者
SUGITANI, M [1 ]
SUGAI, T [1 ]
TANIFUJI, M [1 ]
ONODA, N [1 ]
机构
[1] FUKUI UNIV,DEPT INFORMAT SCI,BUNKYO KU,FUKUI 910,JAPAN
关键词
OPTICAL RECORDING; GUINEA PIG; PIRIFORM CORTEX; ENDOPIRIFORM NUCLEUS; VOLTAGE-SENSITIVE DYE; SPATIOTEMPORAL PATTERN;
D O I
10.1016/0304-3940(94)90633-5
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Optical signals were recorded from the posterior piriform cortex slices of guinea pigs stained with a voltage-sensitive dye to analyse spatio-temporal spread of neural activity evoked by electrical stimulation of afferent fibers. After propagation of activity along layers II and III, an isolated island of activity appeared deep to the layer III and moved caudally. Histological inspection revealed that the area where the island appeared corresponded well to the endopiriform nucleus. The present results provided an evidence for one of the main outflows of olfactory information from the posterior piriform cortex.
引用
收藏
页码:175 / 178
页数:4
相关论文
共 26 条
[1]   OPTICAL-RECORDING OF THE INVIVO PIRIFORM CORTEX RESPONSES TO ELECTRICAL-STIMULATION OF THE LATERAL OLFACTORY TRACT IN THE RAT [J].
CATTARELLI, M ;
COHEN, LB .
CHEMICAL SENSES, 1989, 14 (04) :577-586
[2]   MULTIPLE SITE OPTICAL-RECORDING OF TRANSMEMBRANE VOLTAGE (MSORTV), SINGLE-UNIT RECORDINGS, AND EVOKED FIELD POTENTIALS FROM THE OLFACTORY-BULB OF SKATE (RAJA-ERINACEA) [J].
CINELLI, AR ;
SALZBERG, BM .
JOURNAL OF NEUROPHYSIOLOGY, 1990, 64 (06) :1767-1790
[3]   DENDRITIC ORIGIN OF LATE EVENTS IN OPTICAL RECORDINGS FROM SALAMANDER OLFACTORY-BULB [J].
CINELLI, AR ;
SALZBERG, BM .
JOURNAL OF NEUROPHYSIOLOGY, 1992, 68 (03) :786-806
[4]  
COHEN LB, 1986, OPTICAL METHODS CELL, P71
[5]  
HABERLY LB, 1992, J NEUROSCI, V12, P2211
[6]   CHOLINERGIC SUPPRESSION SPECIFIC TO INTRINSIC NOT AFFERENT FIBER SYNAPSES IN RAT PIRIFORM (OLFACTORY) CORTEX [J].
HASSELMO, ME ;
BOWER, JM .
JOURNAL OF NEUROPHYSIOLOGY, 1992, 67 (05) :1222-1229
[7]  
HOFFMAN WH, 1991, J NEUROSCI, V11, P2021
[8]  
HOFFMAN WH, 1989, J NEUROSCI, V9, P206
[9]  
JUNG MW, 1990, EXP BRAIN RES, V82, P451