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使用鼻键上的视觉刺激使大鼠获得匹配样本行为表现。

Acquisition of matching-to-sample performance in rats using visual stimuli on nose keys.

作者信息

Iversen I H

机构信息

Department of Psychology, University of North Florida, Jacksonville 32216.

出版信息

J Exp Anal Behav. 1993 May;59(3):471-82. doi: 10.1901/jeab.1993.59-471.

Abstract

Steady and blinking white lights were projected on three nose keys arranged horizontally on one wall. The procedure was a conditional discrimination with a sample stimulus presented on the middle key and comparison stimuli on the side keys. Three rats acquired simultaneous "identity matching." Accuracy reached 80% in about 25 sessions and 90% or higher after about 50 sessions. Acquisition progressed through several stages of repeated errors, alteration between comparison keys from trial to trial, preference of specific keys or stimuli, and a gradual lengthening of strings of consecutive trials with correct responses. An analysis of the acquisition curves for individual trial configurations indicated that the matching-to-sample performance possibly consisted of separate discriminations.

摘要

稳定的和闪烁的白色灯光投射在一面墙上水平排列的三个鼻键上。实验程序是一种条件辨别,样本刺激呈现于中间的按键,比较刺激呈现于两侧的按键。三只大鼠学会了同时进行“同一性匹配”。在大约25个实验单元中准确率达到80%,在大约50个实验单元后达到90%或更高。习得过程经历了几个阶段,包括反复出错、每次实验在比较按键之间交替、对特定按键或刺激的偏好,以及连续正确反应的实验串逐渐延长。对各个实验配置的习得曲线分析表明,样本匹配表现可能由单独的辨别组成。

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