Spatial Vision

Failures of contour integration: ContextContextual influences on contour integrationDakin & Baruch (2009)FacilitatoryInhibitorySurround suppressionSurround suppression reveals salient structure• Integration = binding similar structure across space.• ...but “interesting” features will frequently differ fromtheir background• One way to highlight this difference is to suppressthe contribution of locally similar structure• Around 90% or neurons in V1 are suppressed by theactivity of their neighbours (Jones et al 2001)• This is an example of surround suppression