A VLSI-based model of azimuthal echolocation in the big brown bat

被引：8

作者：

Horiuchi, T

Hynna, KM

机构：

[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA

[2] Univ Maryland, Syst Res Inst, College Pk, MD 20742 USA

[3] Univ Penn, Dept Bioengn, Philadelphia, PA 19104 USA

来源：

AUTONOMOUS ROBOTS | 2001年 / 11卷 / 03期

基金：

美国国家科学基金会;

关键词：

azimuthal echo localization; spiking neural model;

D O I：

10.1023/A:1012486906587

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

The azimuthal localization of objects by echolocating bats is based on the difference of echo intensity received at the two ears, known as the interaural level difference (ILD). Mimicking the neural computation of ILD in bats, we have constructed a spike-based VLSI model of the lateral superior olive (LSO) that can successfully produce direction-dependent responses. This simple algorithm, while studied in the acoustic domain, is applicable to any localization based on direction-dependent signal attenuation differences.

引用

页码：241 / 247

页数：7

共 6 条

[1]

Boahen KA, 1998, ANALOG CIRCUITS SIG, P229

[2] Modeling selective attention using a neuromorphic analog VLSI device [J].