Bindingproblemsandfeatureintegrationtheory结合问题和特征整合理论PPT学习教案

1、会计学1Bindingproblemsandfeatureintegrationtheory结合问题和特征整合理论结合问题和特征整合理论An electrode is inserted in this area, and measure neural responses when stimuli are changed gradually第1页/共63页第2页/共63页Neurons in this area respond to complex stimuli like those shown on the left.第3页/共63页第4页/共63页第5页/共63页第6页/共63页第7页/共

2、63页第8页/共63页123456789101112第9页/共63页第10页/共63页123456789101112第11页/共63页第12页/共63页第13页/共63页第14页/共63页第15页/共63页第16页/共63页第17页/共63页第18页/共63页After images:Red GreenGreen RedBlue YellowYellow BlueRGBYColor perception第19页/共63页RGBYadaptationadaptationAfter imageAfter image第20页/共63页第21页/共63页Image from Neuroscience,

3、 2nd Ed. (2000).第22页/共63页Image courtesy of Dr. Paul Wellman and Neuroscience, 2nd Ed. (2000).第23页/共63页第24页/共63页第25页/共63页Depending on where you look at, the figure and the ground switch rapidly. Attention plays some role in determining the figure and the ground.第26页/共63页Depending on where to look at,

4、 you get different 3D structures.第27页/共63页第28页/共63页第29页/共63页第30页/共63页第31页/共63页第32页/共63页第33页/共63页Copies of the black (A) and the white (B) vertical contour.Copies of the black (A) and the white (B) diagonal contour.第34页/共63页Copies of the left sub-figure (A)The right subfigure (B)And the central sub-f

5、igure (C)第35页/共63页第36页/共63页第37页/共63页+ Mask 第38页/共63页第39页/共63页第40页/共63页第41页/共63页第42页/共63页第43页/共63页第44页/共63页Conjunction searchFor this you need to combine two or more features (color and orientation) you need attention Looking for the target 第45页/共63页Conjunction searchFor this you need to combine two

6、or more features (color and orientation) you need attentionBecause you can attend an item one at a time, the difficulty in the conjunction search increases proportional to the number of items in the stimulus frame.This is not the case in the feature search. 第46页/共63页FindWhich is more difficult?第47页/共63页FindWhich is more difficult?第48页/共63页第49页/共63页Target:第50页/共63页Target:第51页/共63页Target:第52页/共63页Target:第53页/共63页第54页/共63页Feature searchConjunction search第55页/共63页第56页/共63页第57页/共63页Response time# of dist