PSY 654 Lecture Notes - Lecture 3: Fusiform Face Area, Premotor Cortex, Ataxia
12 Oct 2015
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Document Summary
Failure to understand the meaning of objects due to a de cit at the level of object. Failure to understand the meaning of objects due to a de cit at the level of semantic. Perception: elaboration and interpretation of a sensory stimulus. Constructive process, sensitive to bottom-up and top-down in uences. Activation of receptors, processing of basic stimulus features. E. g. in vision: colour, size, shape, orientation, colour, motion, . Object perception relies on limited set of viewpoints-invariant 3d-features ( geons ) Problem: can"t differentiate among speci c instances of a category. Simples cells, respond to size, orientation colour. Complex cells respond to orientation and direction. End-stopped cells respond to orientation, direction and size. Basically we put our intelligence to work. Processing in uenced by context, knowledge, past experience, familiarity. Expectation effects, e. g. , due to word context. E. g. aoccdrnig to rscheearch at a bitrsih uinervtisy, it deosn"t mttaer in waht oredr the ltteers in a wrod are sowhn.
