PSYC 4600 Lecture Notes - Lecture 8: Receptive Field

• School: University of Guelph
• Department: Psychology
• Course: PSYC 4600
• Professor: Maria Giammarco

Document Summary

Drawing attention to particular features or feature combinations (ie. objects) What we see is subject to the attentional goals we have. We can selectively process certain features (colours, shapes, etc. ) or more complex objects and categories (faces, scenes, bodies, etc. ) Divided attention detect any changes (control condition), allows for comparison. ** multiple (cid:272)ha(cid:374)ges (cid:271)ut you"re o(cid:374)ly atte(cid:374)di(cid:374)g to o(cid:374)e ** Testing for locus of selective attention at the level of brain regions is it at the primary levels, or only at the higher levels. Compare brain activity under selective attention minus divided attention if (cid:373)odularized, you"ll see higher a(cid:272)ti(cid:448)ity i(cid:374) sele(cid:272)ti(cid:448)e atte(cid:374)tio(cid:374) areas. Lingual (ventral) gyrus greater activity when attending to shape (orangeness) Mst greater activity when attending to velocity. Dorsal lateral occipital greater activity when attending to colour. Attending to features operates by enhancing the response of regions in visual perceptual cortex that are specialized for processing those features.