THE DEPTH PROFILE OF ELECTRICALLY INDUCED TECTAL SUSTAINED POTENTIAL SHIFT RESPONSES IN THE GOLDFISH (CARASSIUS-AURATUS)

被引：2

作者：

NICOL, A ^{[1
]}

SAVAGE, U ^{[1
]}

LAMING, P ^{[1
]}

机构：

[1] QUEENS UNIV BELFAST,SCH BIOL & BIOCHEM,CTR MED BIOL,DIV CELL & EXPTL BIOL,BELFAST BT9 7BL,ANTRIM,NORTH IRELAND

来源：

BEHAVIORAL AND NEURAL BIOLOGY | 1993年 / 59卷 / 02期

关键词：

D O I：

10.1016/0163-1047(93)90899-S

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

Tectal sustained potential shifts (SPSs) were recorded in response to electrical stimulation of the tectal surface in immobilized goldfish using saline-filled glass micro-electrodes. The peak amplitudes of surface recorded SPS responses were negative, this negativity declining with increasing tectal depth, reversing in polarity at a depth of ca. 350 μm and subsequently increasing in positivity. These opposing SPS polarities are attributed to field potentials generated by the source and sink of extracellular K+ ([K+]e) redistribution through a functional syncitium of radially connected glia. © 1993 Academic Press, Inc.

引用

页码：158 / 161

页数：4

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