《认知心理学02知觉课件.ppt》由会员分享，可在线阅读，更多相关《认知心理学02知觉课件.ppt（46页珍藏版）》请在三一办公上搜索。
1、,知觉知觉失调(Disruption of perception:Visual agnosias)格式塔理论(Gestalt pproaches to Perception)自下而上加工(Botton-Up Processes)模板匹配(Template Matching)、特征分析(FeaturalAnalysis)、原型匹配(Prototype Matching)自上而下加工(Top-Down processes)知觉学习(Perceptual Learning)变化盲(Changeblindness)词优效应(The Word Superiority effect)直接知觉(Direct
2、 Perception),知觉失调知觉失调(例如视觉失认,其中更有面貌失认)指对于看到的事物不能理解和再认。统合失认(apperceptive agnosia)指可以完整地再认轮廓,但是不能再认事物本身。联想失认(associative agnosia)指可以(有时是非常缓慢地)认出事物,但是集中注意于细枝末节面貌失认(prosopagnosia)指不能再认人脸(无论是亲戚的、名人的,还是自己的镜像或照片),统合失认(apperceptive agnosia)可以完整地再认轮廓,但是不能再认事物本身有些病人无法辨认部分轮廓缺失的图形,或者无法辨认从较罕见的角度展示的图形,统合失认状FIGURE
3、 2-3-Examples of how contour information influences recognition inpersons with apperceptive agnosia.(A)Patients with apperceptive agnosia havedifficulty recognizing this object as a chair because they cannot interpolate themissing contours.(B)Patients with apperceptive agnosia would have difficulttv
4、recognizing the chair when it is viewed from this unusual ang(A),统合失认FIGURE 2-a The regions of the brain typically damaged in apperceptive andssociative agnosia(A)In apperceptive agnosia,damge is usually restricted toposterior sections of the right hemisphere.(B)In associative agnosia,the damagtends to be bilateral ut the occipitotemporal border.Relative to the lesion inapperceptive agnosia,the typical lesion in associative agnosia is more ventralSOURCE,Reprinted with perm(B),
